Answer:
24.5 it will be your answer
hope it helps
Step-by-step explanation:
98000/4000 =24.5
(a) What is the probability that it won't rain tomorrow?
The probability that it will rain tomorrow is 0.1
Answer:
10%
Step-by-step explanation:
10/100 = 10%
Answer:
90% or 0.9
Step-by-step explanation:
0.1 translates into 10% so we can subtract that from 100% to get 90%.
alan bought 3 pencils and a notebook. the notebook cost $6, and he spent a total of $12. how much did each pencil cost?
Answer:
Step-by-step explanation:
3x+6=12
-6. -6
3x=6
Divid three by both sides.
X=2
Each penicillin cost 2 dollars
Eli caught three fish. The weights of the fish were 2lb4oz, 1lb11oz, and 4lb14oz,. What was the total weight of the three fish?
Answer:
The total weight of the three fishes is 8lb and 13oz
Step-by-step explanation:
2lb 4oz + 1lb 11oz + 4lb + 14 = 7lb 29oz
Remember, there are 16 ounces (oz) in a pound (lb).
So 29oz - 16 oz would be 13oz and the answer would be 8lb and 13 oz.
Hope this helps, can you please mark me brainliest because I just need 4 more brainliest to become expert:)
Find the distance between the given points (-7,5) and (-8,4)
Answer:
1
Step-by-step explanation:
Answer:
2 units
Step-by-step explanation:
5 and 4 are 1 unit away
-7 and -8 are also 1 unit away
1 + 1 = 2
Hope this helped!
30kx - 6kx = 8 solve for x
Answer: x= 1/3k
Step-by-step explanation:
What is 90.125 written in expanded form?
Answer:
90+0.1+0.02+0.005
Step-by-step explanation:
Answer:
Step-by-step explanation:
90+0.1+0.02+0.005
18 decreased by 3 times d
During a reading test, Teil reads a passage with with 640 words. It takes her 4 minutes to read the passage. At this rate, how long will it take her to read a passage with 800 words?Required to answer.Single choice.
Answer:
5 minutes
Step-by-step explanation:
Find the unit rate first. Unit rate in this case is how many words can she do in ONE minute. Key word ONE. 640 divided by 4 is 160. Then we do 800 divided by 160. And we get 5.
Write and evaluate the expression. Then, check all that apply.
Felix divided his shirts into three equal groups. Evaluate when s = 18.
The expression is StartFraction s Over 18 EndFraction.
The expression is StartFraction 18 Over s EndFraction.
The expression is StartFraction s Over 3 EndFraction.
The expression is StartFraction 3 Over s EndFraction.
The answer is One-sixth.
The answer is 6
Answer:
The answer is 6Step-by-step explanation:
Felix divided his shirts into three equal groups.
If the shirts are s, then the expression is
s/3When s = 18, the expression becomes
s/3 = 18/3 = 6The answer is 6
Answer:
The guy that had the comment The answers are (C) The expression is StartFraction s Over 3 EndFraction. and (F) The answer is 6. hope it helps is correct.
Step-by-step explanation:
Which point on the number line represents the product (5)(-2)(-1)?
I need it ASAP
Answer:
point D
Step-by-step explanation:
Diego wrote f(x)=(x+2)(x−4) as an example of a function whose graph has x-intercepts at x=−4, 2. What was his mistake?
Taking into account the factored form, Diego's mistake was to express the opposite signs to those he should have.
The function f(x) = ax² + bx + c
with a, b, c real numbers and a ≠ 0, is a function quadratic expressed in its polynomial form (It is so called because the function is expressed by a polynomial).
The following expression is called discriminant:
Δ= b²- 4*a*c
The discriminant determines the amount of roots of the function. The roots are those values of x for which the expression is 0, so it graphically cuts the x-axis.
Then:
If Δ <0 the function has no real roots and its graph does not intersect the x-axis. If Δ> 0 the function has two real roots and its graph intersects the x-axis at two points .If Δ = 0 the function has a real root and its graph intersects the x-axis at a single point that coincides with its vertex. In this case the function is said to have a double root.Every quadratic function can be factored based on its roots as:
f(x)= a(x-x1)(x-x2)
where x1 and x2 are the roots of the function. This way of expressing the quadratic function is called the factored form.
If the function does not have real roots (Δ <0) it cannot be factored, that is, it does not have a factored form.
If the function has a double real root (Δ = 0) the factored function takes the form:
f(x)= a(x-x1)²
In this case, the function has x-intercepts at x=−4, 2. So, an example of the factored form is:
f(x)=[x-(+2)][x-(-4)]
f(x)=(x-2)(x+4)
Finally, Diego's mistake was to express the opposite signs to those he should have.
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hiw do I find CD in the problem
Answer:
CD = 7
Step-by-step:
28 - 18 = 10
17 - 10 = 7
CD is 7
Good Luck
3. A car and a truck were travelling in the same direction along the same road. The
car was travelling at a constant speed of 70 km/h and the truck was travelling at
a constant speed of 58 km/h. At 08:00, the truck was 20 km ahead of the car. Half
hour later, the truck broke down.
a) How far was the truck from the car when it broke down?
b) What time did the car pass the truck?
Take 8:00 to be the starting time, t = 0, and the car's starting position 20 km behind the truck to be the origin. Then the car's position at time t is
x = (70 km/h) t
and the truck's position is
x = 20 km + (58 km/h) t
(a) Right before the truck breaks down 0.5 h later, it will cover an additional distance of
(58 km/h) * (0.5 h) = 29 km
from its starting point, while the car will have covered a distance of
(70 km/h) * (0.5 h) = 35 km
from its starting point. So at 8:30, the truck is (20 km + 29 km) - 35 km = 14 km away from the car when it broke down.
(b) If neither vehicles stops, then the car passes the truck when their positions are equal, which would happen after
(70 km/h) t = 20 km + (58 km/h) t
(12 km/h) t = 20 km
t = (20 km) / (12 km/h)
t ≈ 1.7 h
But with the truck breaking down a 8:30, it is stuck 49 km away from the origin, so we need to find when the car travels this distance:
(70 km/h) t = 49 km
t = (49 km) / (70 km/h)
t = 0.7 h = 42 min
or at 8:42.
Multiply (−7)(2)(−2).
−28
−14
28
14
Answer:
28
Step-by-step explanation:
Answer:
Positive 28
Step-by-step explanation:
When We Multiply (-7) With (2) We get -14. That 14 Is negative An Negative number multiplied by a positive number Equals an negative number.
Rule
Pairs of numbers that are the same sign combine to make a positive product.
(Positive) ⋅ (Positive) = Positive
(Negative) ⋅ (Negative) = Positive
Rule
Pairs of numbers that are opposite signs combine to make a negative product.
(Positive) ⋅ (Negative) = Negative
(Negative) ⋅ (Positive) = Negative
After we have (-14) we still need to multiply it by (-2) Which gives us -28 But WAIT. 2 Negative numbers in a problem will result in a positive number being your answer if its the last part of the problem!
Hope this helps!
1. Le Point Bookbindery
pays a dividend of $1.25
per share every three
months. How many
months would it take to
earn dividends amounting
to $8.75 per share?
Answer:
7 months dawg because take 1.25 x 4 and that's 5.00 + 1.25=6.25+1.25=7.50+1.25=8.75
is 7.8 greater than 7.800
Answer:
NO
Step-by-step explanation:
For what value of y must LMNP be a parallelogram?
L
M
68°
680
DO
P
N
Answer:
68°
Step-by-step explanation:
sum of interior angles in a parallelogram is 360. two side must form 180 degrees and the opposite side are equal
Round the number 15.39624 to 2 decimal places.
Answer:
15.4
Step-by-step explanation:
15.39 is closer to 15.40 or 15.4 then 15.30. Thus, the answer here is 15.4.
Help!!!!! plz ill award as brainliest
A piggy bank contains $2.65 in nickels and dimes. If the number of nickels is 7 less than three times the number of dimes, how many of each kind of coin are there?
A traveler covered 4/5 of his journey with bicycle and the rest of the distance on foot. If the whole journey was 160 km, how much distance did he cover on foot?
Answer:
x = 12 dimes and 3x-7 = (3*12)-7 = 29 nickels in the piggy bank
Step-by-step explanation:
Hope this helps
Answer:
see below
Step-by-step explanation:
1.
total = $2.65 = d + n
let d = dimes
n = nickels
nickels = 3d - 7
plugin values into the formula:
2.65 = d + 3d - 7
2.65 + 7 = 4d
d = 9.65
4
d = $2.41
nickels = 3d - 7
= 3(2.41) - 7
n = $0.24
----------------------------------------------------------
2.
since Cindy ate 30, less than Ann and Ben together so, the equation is
7x = 5x + 5x - 30
7x - 10x = -30
x = 30/3
x = 10
ann 5 x 10 = 50
ben 5 x 10 = 50
cindy 7 x 10 = 70
total = 170
Alan earns $530 in gross wages. How much is deducted from Alan’s paycheck for Social Security (6.2%) taxes?
Answer:
$32.86 maybe ?
Step-by-step explanation:
Answer:
530-6.2% = 32.86
Step-by-step explanation:
( please help ) Find the magnitude of the vector. Write your answer in simplified form
TAY
GO
6
4
NS
-10
-8
-6
-4
-2
0
2
4
6
8
10
-2
-4
-6
-8
-104
Answer:
The magnitude of a vector in Rn
(if you're using dot product as inner product) is given by the square-root of the sum of the square of each coordinate of the vector
Step-by-step explanation:
The image of point F after a rotation of 180° counterclockwise around the origin is located at (8,-10)
What is rotation?Rotation means the circular movement over the object around the center.
Rotation can be done in both directions like clockwise as well as counter clockwise
It requires rotation implies negative magnitude
A counter clockwise turns has a positive magnitude.
here, we have,
to determine the image of F:
The coordinate of point F is given as:
F = (-8,10)
The rule of rotation by 180° counterclockwise around the origin is:
(x,y) -> (-x,-y)
So, we have:
F' = (8,-10)
Hence, the image of point F is located at (8,-10)
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You can read 63 pages of your book over 3 hours. What is the unit rate?
Answer:
21 pages per hour
Step-by-step explanation:
To find unit rate, we just divide the number of pages read by the time it took to read them. This will give us the number of pages read per hour, which is the unit rate:
63/3=21
The unit rate is 21 pages per hour.
Hope this helped!
What is the domain of the function represented in the graph?
Write an equation for each parabola.
1. A parabola with x-intercept at (-1, 0) and (3, 0) at which passes through the point (1, -8).
2. A parabola with x-intercept at 0 and 1 and at which passes through the point (2, -2).
Problem 1
Answer: y = 2x^2-4x-6--------------------------------
Explanation:
The x intercepts are -1 and 3, meaning that (x+1) and (x-3) are factors.
This is because x = -1 leads to x+1 = 0 when you add 1 to both sides. And x = 3 leads to x-3 = 0 when you subtract 3 from both sides.
The quadratic equation would be y = a(x+1)(x-3) = a(x^2-2x-3) for some constant 'a'. Use the point (x,y) = (1,-8) to find the value of 'a'.
y = a(x^2-2x-3)
-8 = a(1^2-2*1-3)
-8 = a(-4)
-4a = -8
a = -8/(-4)
a = 2
Therefore,
y = a(x^2-2x-3)
y = 2(x^2-2x-3)
y = 2x^2-4x-6
======================================================
Problem 2
Answer: y = -x^2+x--------------------------------
Explanation:
We'll follow the same idea as the previous problem.
The factors are (x-0) and (x-1). This is the same as saying the factors are x and (x-1)
So we have y = ax(x-1) = a(x^2-x)
Plug in (x,y) = (2,-2) and solve for 'a'.
y = a(x^2-x)
-2 = a(2^2-2)
-2 = a(2)
2a = -2
a = -2/2
a = -1
The equation updates to
y = a(x^2-x)
y = -1(x^2-x)
y = -x^2+x
Answer: 1) y = 2(x + 1)(x - 3)
2) y = -(x)(x - 1)
Step-by-step explanation:
Use the Intercept form of a quadratic equation: y = a(x - p)(x - q) where
p and q are the x-intercepts (aka zeros)"a" is the vertical stretch(x, y) is another point on the line --> use to find the a-value1) p = -1, q = 3, (x, y) = (1, -8)
y = a(x + 1)(x - 3)
-8 = a(1 + 1)(1 - 3)
-8 = a(2)(-2)
-8 = -4a
2 = a
Equation: y = 2(x + 1)(x - 3)
2) p = 0, q = 1, (x, y) = (2, -2)
y = a(x - 0)(x - 1)
-2 = a(2 - 0)(2 - 1)
-2 = a(2)(1)
-2 = 2a
-1 = a
Equation: y = -(x)(x - 1)
Evaluate 4 + (-2)= PLEASE HELP IF YOU KNOW THE ANSWER PLEASE SHOW WORK!? THANK YOU!
Answer:
2
Step-by-step explanation:
4 + -2 = 2
HOPE THIS HELPED!
1kg apple =100 rupee so 200gm apple =?
Answer:
20,000 rupee or 20 rupee
Step-by-step explanation:
if you saying grams then its 20 rupee if your talking about kgs then its 20,000
The table below shows what 300 Boxer students ate for lunch on Friday. What is the ratio of the number of students who ate soup to the number of students who did not eat soup? Food Soup Pizza Salad Hotdog Number of students
Answer:
A)
[tex] \frac{1}{4} [/tex]
Step-by-step explanation:
120 + 30 + 90 = 240
60/240 = 1/4
Perpendicular lines intersect to form right angles. What is true about the statement? Check all that apply. The hypothesis is “if perpendicular lines.” The hypothesis is “if lines are perpendicular.” The conclusion is “then right angles.” This is a compound statement. This is a conditional statement.
Answer:
1. The Hypothesis is "If lines are perpendicular" 2. This Is a Compound Statement 3. This is a Conditional Statement
Step-by-step explanation:
I just did this and It showed me the answers
The following options are true about given statement.
- The hypothesis is “if lines are perpendicular.”
- This is a compound statement.
- This is a conditional statement.
What is a compound statement?"It is a statement that consists of two or more statements separated by logical connectors such as 'or', 'and', 'if then', 'if and only if'."
What is conditional statement?"It is the if-then statement in which part of the statement after 'if' is called a hypothesis and the part of statement after 'then' is called a conclusion."
For given example,
We have been a statement 'Perpendicular lines intersect to form right angles.'
We can write this statement as 'if the lines are perpendicular then they form right angles.'
This is a conditional statement with hypothesis if the lines are perpendicular and conclusion they form right angles.
Therefore, the following options are true about given statement.
- The hypothesis is “if lines are perpendicular.”
- This is a compound statement.
- This is a conditional statement.
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In which of these situations do the quantities combine to make 0?
A. In the morning, the temperature rises 30 degrees. In the evening, it
falls by 30 degrees.
B. Kathy receives $20 as a gift. She gives half of her $20 to a friend
and keeps the rest for herself.
C. A player in a game earns 4 points for getting an answer right. She
then earns 4 points for making it around the board.
D. A hot air balloon rises 40 feet. It then rises another 40 feet.
Answer:
A
Step-by-step explanation:
A= 0
B= 10
C=8
D= 80
Which means the answer is A
How do you break apart the factor 58 using place value?
The expansion of 58 is given by 58=5×10+8×1
What is place value expansion?The expanded form of the number is the splitting of numbers based on the place value, such as ones, tens, hundreds, thousands, ten thousand, and so on. The number that is represented by the sum of each digit multiplied by its place value is called the expanded form of the number.
Given here the number 58 =5×10+8×1
and its prime factorization is 58=2×29
Hence, The expansion of 58 is given by 58=5×10+8×1
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