Answer: y + 3x + 2 = 0
Step-by-step explanation:
The formula for that is
y - y₁
------- = -3 where x₁ = -3, y₁ = 7
x - x₁
Therefore cross multiply and solve
y - 7 = -3[( x - (-3)]
y - 7 = -3( x + 3 )
y - 7 = -3x - 9
y + 3x -7 + 9 = 0
y + 3x + 2 = 0
Answer:
y=-3x-2
Step-by-step explanation:
-1-3=
A. -5
B. 2
C. -4
D. 4
Answer:
-4
Step-by-step explanation:
subtracting form a negative will result in a negative number
Answer:
c)-4
Step-by-step explanation:
-1 minis 3 is 3 less that -1
is 7/2 and 16/6 a proportion
Answer:
No, because 7/2 can be simplified to 21/6, and that is not proportional.
Step-by-step explanation:
find the value of (-17)-(40)+25
Answer:
-17-40+25
=25-57
= -32
(4x+5)-(3x-3) write this in the simpilest form pls explain
Answer:
x+8
Step-by-step explanation:
4x-3x=x
5-(-3)=8 or 5+3=8
Reason its adding is because a - times a - equals a positive
The double number line shows the amount of time a hen needs to lay 111 egg.
Complete the table to show the same information as the double number line.
Eggs Time (hours)
3
100
12
Step-by-step explanation:
3/75
4/100
12/300
The completed table is:
Eggs Time (hours)
3 75
100 2500
12 300
What is a double-number line?In a double number line diagram, equivalent ratios are represented by two parallel number lines.
Given that, the hen takes 25 hours to produce 1 egg.
1 egg = 25 hours
3 eggs = 25 × 3 hours
3 eggs = 75 hours
Similarly,
100 eggs = 2500 hours
and,
12 eggs = 300 hours
Hence, the completed table is:
Eggs Time (hours)
3 75
100 2500
12 300
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Use the equation to answer the question.
p+ 4 = 15
What is the value of p?
A. 6
B. 9
C. 11
D.19
Answer:
C. 11
Step-by-step explanation:
15-4=11
Find the range of allowable values based on a measure of 130 inches if the values can vary by 1.4%.
Answer:
130 ± 1.82 inches i.e the range of the values is 128.18 inches to 131.82 inches.
Step-by-step explanation:
The range of values required here implies the values fall between the least and maximum values.
Since the values can vary by 1.4%, the range can be determined by:
1.4% of 130 = [tex]\frac{1.4}{100}[/tex] x 130
= 0.014 x 130
= 1.82
The addition or subtraction of 1.82 to/from 130 inches gives the required range.
i.e the range of allowable values = 130 ± 1.82 inches.
Thus,
130 - 1.82 = 128.18 inches
130 + 1.82 = 131.82 inches
The values falls between 128.18 inches to 131.82 inches.
Find the function value, if possible. (If an answer is undefined, enter UNDEFINED.)
q(t) = (2t2 + 3)/t2
(a) q(2)
(b) q(0)
(c) q(−x)
Answer:
The function values of [tex]{q(2)}[/tex] is [tex]\bold{\dfrac{11}{4}}[/tex], [tex]q(0)[/tex] is UNDEFINED and [tex]q(-x)[/tex] is [tex]\bold{2+\dfrac{3}{x^2}}[/tex]
Step-by-step explanation:
Given,
[tex]q(t)=\dfrac{2t^2+3}{t^2}[/tex]
Part (a)
Find [tex]q(2)[/tex]
Put [tex]2[/tex] for [tex]t[/tex] for finding the value of the function [tex]q(2)[/tex].
Therefore,
[tex]\begin{aligned}q(2)&=\dfrac{2\times2^2+3}{2^2}\\&=\dfrac{8+3}{4}\\&=\dfrac{11}{4}\end{aligned}[/tex]
Part (b)
Find [tex]q(0)[/tex]
Put [tex]0[/tex] for [tex]t[/tex] for finding the value of the function [tex]q(0)[/tex].
[tex]\begin{aligned}q(0)&=\dfrac{2\times0^2+3}{0^2}\\&=\dfrac{3}{0}\\&=\infty\end{aligned}[/tex]
Part (c)
Find [tex]q(-x)[/tex]
Put [tex]-x[/tex] for [tex]t[/tex] for finding the value of the function [tex]q(-x)[/tex].
Therefore,
[tex]\begin{aligned}q(-x)&=\dfrac{2\times(-x)^2+3}{(-x)^2}\\&=\dfrac{2x^2+3}{x^2}\\&=2+\dfrac{3}{x^2}\end{aligned}[/tex]
A train can travel at a rate of 85 miles per hour. At this rate, how many hours will it take the train to go 102 miles
Answer:
[tex]Time = 1.2\ hours[/tex]
Step-by-step explanation:
Given
[tex]Speed= 85\ miles/hour[/tex]
Required
Determine the time for 102 miles
In this case, we make use of Speed formula as follows:
[tex]Speed = \frac{Distance}{Time}[/tex]
This gives:
[tex]85 = \frac{102}{Time}[/tex]
Solve for Time
[tex]Time = \frac{102}{85}[/tex]
[tex]Time = 1.2\ hours[/tex]
Hence, the time needed is 1.2 hours
multiplatication (x + 3)2
Answer: x^2+6x+9
Step-by-step explanation:
this will factor out to
X^2+6x+9
Answer:
x^2 + 6x + 9
Step-by-step explanation:
This is asking for (x+3) (x+3)
Using the FOIL method
(x * x) First, x times x
+ 3x Outside, x times 3
+ 3x Inside, x times 3
+ 9 Last, 3 times 3
Therefore, we have
(x*x) + 3x + 3x + 9
And simplified
x^2 + 6x + 9
Find the volume of the solid . Round your answer to two decimal places .
3751.25 cm³
Step-by-step explanation:Hi there !
Volume (sphere) formula
V(s) = (4/3) × π × r³
we have two hemisheres
V(h) = (4/3) × π × r³ /2
= (2/3) × π × r³
V₁ = 2/3 ₓ π ₓ (12cm)³
= 2/3 ₓ π ₓ 1728cm³
= 1152π cm³
V₂ = 2/3 ₓ π ₓ (4cm)³
= 2/3 ₓ π ₓ 64cm³
= 128π/3 cm³
V = V₁ + V₂
= 1152π cm³ + 128π/3 cm³
= 3617.28 cm³ + 133.97 cm³
= 3751.25 cm³
Good luck !
Explain how an enlargement of reduction in the dimensions of a building would cause a change in the scale factor.
Answer:
The scale factor represents a proportional relationship between the scale drawing and the building’s dimensions. If the dimensions change, then the scale factor must also change to preserve the relationship.
Step-by-step explanation:
Answer:
The scale factor is a proportional relationship. The scale factor represents a proportional relationship between the scale drawing and the building’s dimensions. If the dimensions change, then the scale factor must also change to preserve the relationship. Enlargements have a scale factor greater than 1. Reductions have a scale factor between 0 and 1. The proportion should be preserved.
Hope this Helps!
If 2 1/4 pounds of bananas cost $1.89, what is the cost per pound?
Answer:
84 cents a pound divide 2 1/4 by 1.89 equals 0.84
Step-by-step explanation:
:)
Salt and sugar give two distinctly different taste, one salty and the other sweet. In a mixture of salt and sugar, it is possible for the mixture to be salty, sweet or both. Will any of these mixtures taste exactly the same?
Mixture A: 2 cups water, 4 teaspoons salt, 0.25 cup sugar
Mixture B: 1.5 cups water, 3 teaspoons salt, 0.2 cup sugar
Mixture C: 1 cup water, 2 teaspoons salt, 0.125 cup sugar
Group of answer choices
All of the answers
None of the answers
Mixture B and C
Mixture A and B
Mixture A and C
Answer:
i just took the test and its A and C
Step-by-step explanation:
What is the slope of line n?
Answer:
-2x,y5
Step-by-step explanation:
Hope this helped
HELPP SOMEONEEE 12 POINTS !!
Which word describes the slope of the line?
positive
O negative
O zero
O undefined
Answer:
Undefined it looks like, if not, it is zero.
Step-by-step explanation:
:>
2x^3+4x^2+8x Factor the polynomial. solve with steps
Lillian earned $397.50 at her job when she worked for 25 hours. What was her hourly wage, in dollars per hour? On the double number line below, fill in the given values, then use multiplication or division to find the missing value.
Answer:
$15.9
Step-by-step explanation:
$397.5 = 25 hour
=> x dollars = 1 hour
=> 397.5 * 1 = 25 * x
=> 397.5 = 25x
=> 397.5/25 = 25x/25
=> 15.9 = x
So, for 1 hour he earns $15.9
fter production, a computer component is given a quality score of A, B, and C. On the average U of the components were given a quality score A, ( of the components were given a quality score B, and of the components were given a quality score C. Furthermore, it was found that actually of the components given a quality score A failed, of the components given a quality score B failed, and of the components given a quality score C failed. 11-A. What is the probability that a randomly selected component is NOT failed and received a quality score B
Answer:
Follows are the solution to this question:
Step-by-step explanation:
In the given question some of the data is missing so, its correct question is defined in the attached file please find it.
Let
A is quality score of A
B is quality score of B
C is quality score of C
[tex]\to P[A] =0.55\\\\\to P[B] =0.28\\\\\to P[C] =0.17\\[/tex]
Let F is a value of the content so, the value is:
[tex]\to P[\frac{F}{A}] =0.15\\\\\to P[\frac{F}{B}] =0.12\\\\\to P[\frac{F}{C}] =0.14\\[/tex]
Now, we calculate the tooling value:
[tex]\to p[\frac{C}{F}][/tex]
using the baues therom:
[tex]\to p[\frac{C}{F}] = \frac{p[C] \times p[\frac{F}{C} ]}{p[A] \times p[\frac{F}{A}] + p[B] \times p[\frac{F}{B}]+p[C] \times p[\frac{F}{C}] }[/tex]
[tex]= \frac{ 0.17 \times 0.14 }{0.55 \times 0.15 + 0.28 \times 0.12 + 0.17 \times 0.14 } \\\\= \frac{0.0238}{0.0825 + 0.0336 + 0.0238} \\\\= \frac{0.0238}{0.1399} \\\\=0.1701[/tex]
3(n+1)= 5.4 enter the answer in the box n=?
When I say f(x) is continuous at x = C, what exactly does that mean?
Mark walks to school in 3 minutes. It takes Darnell 4 times as long to walk to school as it does Mark. How long does it take Darnell to walk to school?
Answer:
12 minutes
Step-by-step explanation:
Mark walks in 3 minutes. Darnell walks 4 times as long to walk to school as Mark did.
You need to multiply 3 x 4 = 12 minutes
what is slope 1 and 2?
Answer:
Lets calculate the slope of the line 'l'
Slope is rise over run of a line, so we will see how much the y of the line changes by changing x by 1
So, basically we will select a point on the line and see how much the y-value increases for the point rightward to our point
we see that the y increased by 1 and hence, its slope is 1
Now, the slope of line 'k'
again, we will select a point and go one point to the right
here, we see that the y increases by 2
therefore the slope of line 'k' is 2
Least to greatest
913.601
912.21
913.61
912.202
Answer:
Least to greatest
Step-by-step explanation:
912.202
912.21
913.601
913.61
Add zero's next time, (to 912.21 and 913.61 . It could help.)
whats the remainder to 5,323 ÷ 34
Answer:
the answer is
Step-by-step explanation:
156.558 or 157.0
or
0.0060
I need help with the last question help plz
If an animal does not have four legs, then it is not a giraffe.
*IF FALSE IDENTIFY A COUNTEREXAMPLE
find the percentage decrease if a players batting average dropped from 0.273 to 0.265 in one season.
Answer:
[tex]\huge\boxed{2.93\%}[/tex]
Step-by-step explanation:
Calculate the difference:
[tex]0.273-0.265=0.008[/tex]
Calculate the ratio:
[tex]\dfrac{0.008}{0.273}=\dfrac{0.008\cdot1000}{0.273\cdot1000}=\dfrac{8}{273}[/tex]
Convert to percentage:
[tex]\dfrac{8}{273}=\dfrac{8}{273}\cdot100\%=\dfrac{800}{273}\%\approx2.93\%[/tex]
The sale rack at the department store said that an additional 30 percent discount would be taken on all items. If a dress on the sale rack had an original price of $86 and was already marked down by 25 percent, what is final cost of the dress before taxes? $38.70 $45.15 $47.30 $60.20
Answer:
45.15
Step-by-step explanation:
Answer: 45.15
Step-by-step explanation:
Graph the line with slope -1 passing through the point (2,-4)
Answer:
put a dot on point (2,-4) then go one to the right and one down hope this helps
Step-by-step explanation:
The equation of the line having a slope of -1, and passing through the point (2, -4) is x + y = - 2.
What is the equation of a line?
The equation of a line is the relation between the x-coordinates and y-coordinates of the points on the line, such that all (x, y) points, satisfies this equation.
The slope-intercept form of a line is y = mx + b, where m is the slope and b is the y-intercept of the line.
How to solve the question?In the question, we are asked to graph the line with slope -1, and passing through the point (2, -4).
We know that, the slope-intercept form of a line is y = mx + b, where m is the slope and b is the y-intercept of the line.
Substituting m = -1, x = 2, and y = -4, in the equation, we get:
-4 = -1(2) + b,
or, b = -4 + 2 = -2.
Thus, the equation of the line is: y = -1(x) - 2,
or, x + y = -2.
Thus, the equation of the line having a slope of -1, and passing through the point (2, -4) is x + y = - 2.
The graph for the equation is attached.
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