Answers
Answer:
0.321 repeating 1
Step-by-step explanation:
Related Questions
Nick is splitting 4 quarts of ice cream with 9 members of the team. If the ice cream is split evenly, how many cups will each person get? Explain1 quart equals _ pints, which equals _ cups, so 4 quarts equals _ cups. Dividing the ice cream among _ people means each gets _ cup(s)
Answers
ANSWER
[tex]\text{1}\frac{7}{9}\text{ cups}[/tex]EXPLANATION
Nick has 4 quarts of ice and he wants to split it with 9 members of the team.
To solve this, we have to convert quarts to cups. We have that:
1 quart = 2 pints
and
1 pint = 2 cups
This means that:
1 quart = 2 * 2 cups
1 quart = 4 cups
So, 4 quarts will be:
4 quarts = 4 * 4 cups
4 quarts = 16 cups
Therefore, dividing the ice cream among 9 people would mean that we have to divide 16 cups by 9 people.
That is:
[tex]\begin{gathered} \frac{16}{9} \\ =\text{ 1}\frac{7}{9}\text{ cups} \end{gathered}[/tex]The complete statement is:
1 quart equals 2 pints, which equals 4 cups, so 4 quarts equals 16 cups. Dividing the ice cream among 9 people means each gets 1 7/9 cup(s)
Please help ASAP for 20 Points! and a brainliest!
You are running a fuel economy study. You want
to find out which car can travel a greater distance
on 1 gallon of gas.
a. What is the gas mileage, in miles per gallon,
for the blue car?
b. What is the gas mileage, in miles per gallon,
for the silver car?
c. Which car could travel the greater distance
on 1 gallon of gas?
Thank you!
Answers
Answer:
a) gas mileage of blue car: 23.667 miles/gallonb) gas mileage of silver car: 34 miles/gallonc) The silver car would travel a greater distance on 1 gallon than the blue car.Step-by-step explanation:
a) gas mileage of blue car:gas mileage = miles covered/gallons used
but:
miles covered = [tex]35\frac{1}{2}[/tex]
= 35.5
gallons used = 1[tex]\frac{1}{2}[/tex]
= 1.5
gas mileage = 35.5/1.5
gas mileage = 23.667 miles/gallon (to 3 decimal places)
b) gas mileage of silver car:gas mileage = miles covered/gallons used
but:
miles covered = [tex]27\frac{1}{5}[/tex]
= 27.2
gallons used = [tex]\frac{4}{5}[/tex]
= 0.8
gas mileage = 27.2/0.8
gas mileage = 34 miles/gallon
c)
gas mileage of blue: 23.667 miles/gallon implies the blue car will travel 23.667 miles on 1 gallon
gas mileage of silver: 34 miles/gallon implies the silver car will travel 34 miles on 1 gallon
Hence the silver car would travel a greater distance on 1 gallon than the blue car.
Please answer only if you know the answer.
Answers
Step-by-step explanation:
The slope-intercept form of the equation of a line that passes through (5, -4) and has a slope of 3/4 is y = (3/4)x - 31/4.
What is the slope-intercept form?
The slope-intercept form of a line is y=mx + c.
Where, x and y are coordinates. m = slope and c = y intercept.
Given, slope (m) = 3/4
Substituting the values of (x, y) as (5, -4) and m = 3/4, we get:
-4 = (3/4) × 5 + c
⇒ c = -4 - (3/4) × 5 = -4 - 15/4 = -31/4
Now, putting the value of c in the standard equation:
y = (3/4)x - 31/4
⇒ 4y = 3x - 31
⇒ 3x - 4y = 31
Answer is Option C
When Luke left his house in the morning, his cell phone battery was partia
charged. Let B represent the charge remaining in Luke's battery, as a perc
hours since Luke left his house. The table below has select values showing t
relationship between t and B. Determine the number of hours until Luke's
dies.
Answers
Step-by-step explanation:
Solution:
From the graph, the coordinates of the points A, B and C are (- 1, 0) (0, - 2) and (2, 0) respectively.
Let the equation representing the graph be y = a * x ^ 2 + bx + c
(1)
The curve represented by (i) passes through A(- 1, 0) B(0, - 2) and C(0, 2) So,
- 2 = 0 + 0 + c
c = - 2
Also 0 = a - b - 2
and 0 = a * (0.4 + 2b - 2)
⇒a a - b = 2 2a + b = 1 (ii) ..(iii)
Adding (ii) and (iii)
3a = 3
a = 1
Substituting the value of a in (ii), we have
1 - b = 2
b = - 1
The equation of the curve is y = a * x ^ 2 + bx + c i.e. y = x ^ 2 - x - 2
Bella's mother is 5 less than 4 times her
daughter's age. If her mom is 39 years old, how
old Is Bella?
Answers
What is the maximum volume of a rectangular prism (or box) if the prism has a square base and a total surface area of 100 cm^2?
A) First, let x = the side length of the base and h = the height of the prism. Write and solve the equation for h.
B) Write a function for the volume of the box, V, in terms of x.
Answers
a. The equation for h is h = 100/x²
b. The function for the volume of the box V, in terms of x is:
v(x) = x²×h
Given, the prism has a square base and a total surface area of 100 cm².
A) let x = the side length of the base and
h = the height of the prism.
equation for h = ?
Volume = b × h
100 cm² = x² × h
h = 100/x²
B) a function for the volume of the box, V, in terms of x.
we know that x is the base and h is the height.
So, volume in terms of x :
v = b×h
v = x² × h
Hence we get the required answers.
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Given diagram is a solid prism of a triangular base. if the base of the prism is 480 cm cube. find its height .
Answers
Answer:
20 cm
Step-by-step explanation:
Given a prism with a right triangle base and a volume of 480 cm³, you want the height of the prism. The base has one side 8 cm, and hypotenuse 10 cm.
Base edgeThe missing edge of the right triangle base can be found using the Pythagorean theorem. It tells us the square of the hypotenuse is the sum of the squares of the other two sides:
b² = c² +a²
10² = 8² +a² . . . . . . . use given lengths
a² = 100 -64 = 36 . . . . subtract 8², simplify
a = 6 . . . . . . . . . . . . . length of side BC
Base areaThe area of the right triangle base is ...
A = 1/2bh . . . . . . . . b is the triangle base; h is its height
A = 1/2(6 cm)(8 cm) = 24 cm²
VolumeThe volume of the prism is ...
V = Bh . . . . . . . . . . . . . . . where B is the base area, and h is the height
480 cm³ = (24 cm²)h . . . use known values
h = 20 cm . . . . . . . divide by the coefficient of h
The height of the prism is 20 cm.
Which equation does not represent a linear function?
a. y = 8x
by = ½x+2
c. y=0.5x - 1
d. y = 2x³
Answers
Answer:
d. y= 2x³
Step-by-step explanation:
All of the other equations represent linear functions, and are in the form y = mx + b. D on the other hand contains an exponent, making it a non-linear (in this case cubic) function.
How do I solve y-1=3(x-4)
Answers
Step-by-step explanation:
open the bracket
y - 1 = 3x - 12
add 1 to both sides
y = 3x - 11
I think that should be it
Perform the indicated operation.55.557 + 121.4474 + 6.3
Answers
55.557 + 121.4474 + 6.3
we have that
55.557=55.5570
121.4474
6.3=6.3000
so
55.5570
121. 4474
6. 3000
------------------
183,30443What is the inverse of the function h(x) = - 2 + 12?h-'(x) =(2
Answers
We have the next function
[tex]h(x)=\frac{3}{4}x+12[/tex]First we need to make h(x)=y
[tex]y=\frac{3}{4}x+12[/tex]Then we make x=y and y=x
[tex]x=\frac{3}{4}y+12[/tex]Then we isolate the y
[tex]x-12=\frac{3}{4}y[/tex][tex]4(x-12)=3y[/tex][tex]y=\frac{4(x-12)}{3}[/tex][tex]y=\frac{4x-48}{3}[/tex]Therefore the inverse function is
[tex]h^{-1}(x)=\frac{4x-48}{3}[/tex]James and Simon have a reading assignment to complete. James has read rrr pages, and Simon has read 757575 pages. Together they have read a total of 200200200 pages.
Answers
Help me solve question 1 on my algebra homework please
Answers
Two lines are parallel if they hay the same slope.
The slope, m, of the line that passes through the points (x1, y1) and (x2, y2) is computed as follows:
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]From the graph, line m passes through the points (0, 1) and (3,3), then its slope is:
[tex]m=\frac{3-1}{3-0}=\frac{2}{3}[/tex]Equation of a line in slope-intercept form
[tex]y-y_1=m(x-x_1)[/tex]where m is the slope and (x1, y2) is a point on the line.
The new line has to pass through point P(1, -2). Substituting with this point and m = 2/3 into the general formula:
[tex]\begin{gathered} y-(-2)=\frac{2}{3}(x-1) \\ y+2=\frac{2}{3}(x-1) \end{gathered}[/tex]
Answer the question below in the picture please and thank you
Answers
Depending on the particular isotope, this process can take a variety of times. While for some it will take years and decades, it will just take a microsecond for individuals. Usually, the isotope will decay into a different element or isotope.
What is meant by isotope?Isotopes are two or more different atom types that share the same atomic number and place in the periodic table but have different quantities of neutrons in their nuclei, resulting in various nucleon numbers.
If we start with 180 g of the isotope, after one half-life the quantity will diminish to 180 g/2 = 90 g which exists half the original quantity.
This can be written mathematically as: [tex]$180 g\left(\frac{1}{2}\right)^1$[/tex]
After the second half life: [tex]$\frac{90 g}{2}=45 g=\frac{180 g}{4}=(180 g)\left(\frac{1}{2}\right)^2$[/tex]
After the third half life: [tex]$\frac{45 g}{2}= 22.5 g=\frac{180 g}{8}=(180 g)\left(\frac{1}{2}\right)^3$[/tex]
But now that we are dividing the amount by 2 to a power that grows as the number of half-lives, we can start to notice a pattern.
The original quantity can then be rapidly computed for six half-lives using the formula below:
[tex]$(180 g)\left(\frac{1}{2}\right)^6=(180 g)\left(\frac{1}{64}\right)=\frac{180 g}{64}=2.8 g$$[/tex]
Depending on the particular isotope, this process can take a variety of times. While for some it will take years and decades, it will just take a microsecond for individuals. Usually, the isotope will decay into a different element or isotope.
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if a 5-card poker hand is dealt from a well-shuffled deck of 52 cards, what is the probability of being dealt the given hand? (round your answer to five decimal places.) two pairs
Answers
=========================================================
Explanation:
A hand of two pairs is when we have 2 cards of the same value, and another 2 of the same value, then the fifth card is something else entirely.
An example hand is:
king of hearts, king of clubs ...... 1st pairqueen of spades, queen of clubs ..... 2nd pair7 of diamonds-------------
We use the nCr formula since order doesn't matter.
C(n,r) = (n!)/(r!*(n-r)!)
For any suit, there are n = 13 cards. We make r = 2 selections for each of the two pair.
C(n,r) = (n!)/(r!(n-r)!)
C(13,2) = (13!)/(2!*(13-2)!)
C(13,2) = (13!)/(2!*11!)
C(13,2) = (13*12*11!)/(2!*11!)
C(13,2) = (13*12)/(2!)
C(13,2) = (13*12)/(2*1)
C(13,2) = (156)/(2)
C(13,2) = 78
There are 78 ways to select which two ranks will be chosen to represent each of the two pair.
Let's say one of the ranks of the two pair is a king. There are n = 4 kings and we select r = 2 of them. That gives C(4,2) = 6 ways to select those two kings. We'll also have 6 ways to select the other two cards in the other pair.
Therefore, we have 78*6*6 = 2808 ways to pick the first four cards that consist of the two pair (eg: 2 kings and 2 queens).
-----------------
So far we've considered just the two pairs. We have one card left to select. There are 13-2 = 11 cards of any particular suit that weren't part of the two pair. There are 4 suits to pick from, which means we have 11*4 = 44 cards to pick from for that fifth and final slot.
-----------------
Summary so far:
2808 ways to pick the two pair (eg: 2 kings and 2 queens)44 ways to pick the fifth card that differs from the first four cards (anything other than what was chosen for the two pair).That gives 2808*44 = 123,552 different two pair hands possible.
This is out of C(52,5) = 2,598,960 hands
Divide those two values to get the final answer
(123,552)/(2,598,960) = 0.04753901560624
This then rounds to 0.04754 as the final answer.
PLSSSSSSSSS HELP DUE SOON!!!
Answers
The problem can be modeled with the linear equation:
2c - 1.5 = 6
Where c is the old amount of chips.
So the correct option is the last one.
Which is the correct expression?First, let's define the old amount as the variable "c".
1.5 less than twice the old amount is then written as:
2c - 1.5
And the total text says:
"1.5 less than twice the old amount is equal to 6"
So we have an equation, that equates the above expression and the number y, so we can write the linear equation:
2c - 1.5 = 6
This is the last option
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The demand for a certain product is given by p+3q=315, and the supply for this
product is given by p-7q = 65, where p is the price and q is the number of
products. Complete parts (a) and (b) below.
a. Find the price at which the quantity demanded equals the quantity supplied.
$
b. Find the equilibrium quantity.
Answers
In linear equation, The price at which the quantity demanded equals the quantity supplied is $ 260." option (b) is answer.
What in mathematics is a linear equation?
An x-y linear relationship, or two variables in which the value of one of them (often y) relies on the value of the other one, is what is known as a linear equation in two variables (usually x).The dependent variable in this scenario is y since it depends on the independent variable, x.a. The demand for a product is given by p+3q= 315 or, q = (315 - p)/3 and the supply for this product is given by p-7q = 65 or, q = (p- 65)/7
The price at which the quantity demanded equals the quantity supplied is given by
315 - p/3 = p - 65/7
7( 315 - p ) = 3( p - 65 )
2405 - 7p = 3p - 195
2405 + 195 = 3p + 7p
2600 = 10p
p = 2600/10 = 260
Thus, the required price is $ 260.
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To prepare for a bake-Off, Sebastian used 830 grams of flour each day for 4 weeks. How many kilograms did Sebastian use in those 4 weeks?
1 q = 0.001 kg
Answers
If 830 grams = 1 day.
23.24 kilograms = 4 weeks.
23.24 kilograms were used by Sebastian in those 4 weeks.
What is an equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
Example: 3x = 4 is an equation.
We have,
830 grams is used each day.
830 grams = 1 day ___(1)
1 week = 7 days
Multiply 4 on both sides.
4 weeks = 28 days ___(2)
From (1) and (2) we get,
4 weeks = 28 days
4 weeks = 28 x 1 day
4 weeks = 28 x 830 grams
4 weeks = 23240 grams ____(3)
1000 grams = 1 kg
Multiply both sides by 23240/1000.
23240 grams = 23.24 kilograms _____(4)
From (3) and 94) we get,
4 weeks = 23.24 kilograms
Thus,
23.24 kilograms were used by Sebastian in those 4 weeks.
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At a conference 1 car was provided for every 4 people if there were 17 cars how many people were there
Answers
Answer:
just multiply 17×4=?
and it will give u an anserew..
Answer:68 people
Step-by-step explanation:
You take the 17 cars multiplied by four people and you get 68
determine if two triangles are necessarily congruent. if so in a flowchart proof to prove the they are.
Answers
Yes the two triangles are necessarily congruent as they are right angled so both the angles are equal and having two sides equal by using SAS rule that is Side, Angle, Side rule by the property of congruency.
What is Congruency?Two figures are considered to be "congruent" if they can be positioned precisely over one another. Both of the bread slices are the same size and shape when stacked one on top of the other. Congruent refers to things that are exactly the same size and shape.
What are the rules of congruency?If two triangles meet all 5 requirements for congruence, then they are congruent. They are right angle-hypotenuse-side (RAHS), angle-side-angle (ASA), angle-angle-side (AAS), side-side-side (SSS), and side-angle-side (SAS) (RHS).
Here the ΔCED and ΔPOR,
∠CED=∠POR
Side PR=CD
Side ED=PO
by using SAS rule,
ΔCED≅ΔPOR
Yes, the two triangles are inherently congruent because they have right angles, which means that both of their angles are equal, and because their sides are equal according to the SAS rule, which stands for Side, Angle, Side.
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A hotel housekeeper earns an hourly wage of $15 per hour. What is this wage in dollars per year? (Assume a 40-hour work week.)
Answers
Answer: $31,200 per year
Step-by-step explanation:
The question tells us that they are working 40 hours a week and making 15 dollars an hour. We can find out how much they make a week and then multiply by 52 (number of weeks in a year) to find the amount they make in a year.
Per week:
15 * 40 = $600
Per Year:
600 * 52 = $31,200
Answer:
$31,285.74 per year
Step-by-step explanation:
What we know:
- $15 per hour
- 40 hour weeks
- 52.1429 weeks per year
What we need to find out:
- How much money per year
Step 1: Multiply for how much made per week
We know that we need $15 dollars for 40 hours so we start with multiplying them together to see how much we make a year.
40 x 15 = $600 per week
Step 2: Now multiply the amount of weeks a year by the amount made per week
So now we know that we make $600 per week now we have to multiply the amount of weeks in a year by the money made per week so.
52.1429 x 600 = $31,285.74 per year. So the house keeper makes $31,285.74 per year.
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If P(x) = 5x and R(x) = 3x - 7, find P(x) • R(x).
P(x)•R(x)=___
Answers
According to the factor theorem, if "a" is any real integer and "f(x)" is a polynomial of degree n larger than or equal to 1, then (x - a) is a factor of f(x) if f(a) = 0.Finding the polynomials' n roots and factoring them are two of their principal applications.
Calculate p(x(*r(x)?
The factorization of 62 + 17x + 5 by dividing the middle word can be used as an illustration of the factor theorem.In this example, two numbers, "p" and "q," can be discovered in such a way that p + q = 17 and pq = 6 x 5 = 30.One can then obtain the factors after that. A factor of | A | is (x - a) if each member of matrix A is a polynomial in x and | A | vanishes for x = a.When p(x) is divided by xc, the result is p if p(x) is a polynomial of degree 1 or higher and c is a real number (c).For some polynomial q, p(x)=(xc)q(x) if xc is a factor of polynomial p.Consequently, p(c)=(cc)q(c)=0, indicating that c is a polynomial zero.
I This theorem comes in very handy when we need to determine the determinant's value in "factors" form.
p(x) =5x
r(x) = 3x - 7
p(x)×r(x) =
=5x(3x-7)
5x² - 7
2×15x²-1
= 30x
p(x)*r(x) = 30x
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Write the sentence as an equation.
d is equal to y minus 300
Answers
Answer:
d=y-300
Step-by-step explanation:
2q/5 + 4 < 2q/3 - 9 what the answer?
Answers
Answer: 195/4
Step-by-step explanation:
please help please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please
Answers
part 1 of the question is asking us to evaluate expressions to the power of 2. To do that let's remember the following:
[tex]a^2=a\times a[/tex]Ther is, when a number is elevated to second power it means we have to multiply that number by itself. For example:
[tex]\begin{gathered} 1^2=1\times1=1 \\ 2^2=2\times2=4 \\ 3^2=3\times3=9 \end{gathered}[/tex]In the second part of this question, we are asked to evaluate the square root of a number. Let's remember that the square root is the inverse operation of elevating a number to the second power. That is if we have:
[tex]\sqrt[]{a}=b[/tex]it means:
[tex]b^2=b\times b=a[/tex]For example:
[tex]\begin{gathered} \sqrt[]{1}=1 \\ \sqrt[]{4}=2 \\ \sqrt[]{9}=3 \end{gathered}[/tex]The third part of the questions asks us to solve for "x" the following equation:
[tex]x^2=9[/tex]To do that we take square root on both sides:
[tex]\sqrt[]{x^2}=\sqrt[]{9}[/tex]Since the square root of a number to the second power is the same number and the square root of 9 is 3, we get:
[tex]x=3[/tex]A furniture store is having a 20% sale.
(a) A sofa usually costs £1200. Work out the sale price of the sofa.
(b) The sale price of a table is £480. Work out the original price of the table.
Answers
Answer:
a) £960
b) £576
Step-by-step explanation:
Hi!
Ok so since the store has a 20% sale we multiply 0.2 to the original amount it would have costed without the sale:
a) [tex]1200*0.2 = 240[/tex]
Then we subtract the number we got from the price:
1200 - 240 = 960
Now we do the same thing but this time add since we are trying to find the price of the table before the sale:
b) [tex]480*0.2 = 96[/tex]
480 + 96 = 576
Please ask me if you have any more questions!
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Which graph does not represent a function?
Answers
Answer: c
Step-by-step explanation:
Elliptical graphs fail the vertical line test as they have same x and y values at some places. Thus elliptical graph is not a function
the distribution of the number of text messages young adults send per day is approximately normal, with a mean of 128 messages and a standard deviation of 30 messages. based on the distribution, what is the percentage of young adults send fewer than 218 text messages?
Answers
The percentage of young adults who send fewer than 218 text messages is 99.87%.
For a normally distributed set of data, given the mean and standard deviation, the probability can be determined by solving the z-score and using the z-table.
First, solve for the z-score using the formula below.
z-score = (x – μ) / σ
where x = individual data value = 218
μ = mean = 128
σ = standard deviation = 30
z-score = (218 - 128) / 30
z-score = 90 / 30
z-score = 3
Find the probability that corresponds to the z-score in the z-table. (see attached images)
z-score = 3
probability = 0.9987
To get the percentage, multiply the probability by 100.
percentage = probability x 100
percentage = 0.9987 x 100
percentage = 99.87%
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5.What is the area of the triangle?Include the unit of measurein your answer.:::::
Answers
Answer: Area = 126 square inches
Explanation:
The formula for calculating the area of a triangle is expressed as
Area = 1/2 x base x height
From the information in the diagram,
base = 18
height = 14
Thus,
Area = 1/2 x 18 x 14
Area = 1/2 x 252 = 252/2
Area = 126 square inches
Use BIMDAS to calculate my fortnightly earnings.
I have two part-time jobs.
3 days per week I work for 6 hours each day and I earn $20.00 per hour. For 2 days per week, I earn $25.00 per hour, working an 8-hour day.
Answers
Based on your earnings from each of the part-time jobs, your fortnightly earnings would be $1,520
How to find the earnings?First, find out how much you earn in the first part-time job per week:
= (Number of days per week x Number of hours per day x Pay per hour)
= (3 x 6 x 20)
The find out how much you earn in the second part-time job:
= (Number of days per week x Number of hours per day x Pay per hour)
= (2 x 8 x 25)
In a fortnight (two weeks), your earnings would be:
= (2 weeks x (3 x 6 x 20)) + (2 weeks x (2 x 8 x 25))
= (2 x 360) + (2 x 400)
= 720 + 800
= $1,520
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Fortnightly earnings would be $1,520 based on previous earnings.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given that there are two part time jobs.
For first part time
3 days per week I work for 6 hours each day and I earn $20.00 per hour
(3 x 6 x 20)
=360
Second part time
2 days per week, I earn $25.00 per hour, working an 8-hour day.
=2×25×8
=400
Now we need to calculate, the total fortnightly earnings.
= (2 weeks x360) + (2 weeks x 400)
= (2 x 360) + (2 x 400)
= 720 + 800
= $1,520
Hence $1520 is the fortnightly earnings.
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