Help please and thank you ❤

Answer:

(-2,3)

Step-by-step explanation:

x=2y−8;−3x+2y=12

x=2y−8

−3x+2y=12

−3(2y−8)+2y=12

−4y+24=12

−4y+24+−24=12+−24

−4y=−12

-4y=-12

y=3

x=2y−8

x=(2)(3)−8

x=−2

9514 1404 393

Answer:

  1. (256/3)π ft³

  2. 33.49 ft³

Step-by-step explanation:

1. Put 4 ft into the formula where r is, then simplify.

  V = (4/3)π(4 ft)³ = (256/3)π ft³

__

2. The radius is half the diameter, so is 2 ft. Put that in the formula, along with the value for π, and do the arithmetic.

  V = (4/3)(3.14)(2 ft)³ ≈ 33.49 ft³

Answer:

26

Step-by-step explanation:

8 * 2 + 10 = 26

Answer:

For x-2y=15, it's x= 15 + 2y. For 2x+4y=-18, it's x= -9-2y.

Step-by-step explanation:

Answer:

y = -2x + 5

Step-by-step explanation:

Recall that slope-intercept form is y = mx + b where m is the slope and b is the y intercept

In this case our slope is m = -2

and, line crosses y-axis at 5 which is b = 5

thus, y = -2x + 5

Answer:

16.1

Step-by-step explanation:

Answer:

If he deposited weekly, he would be depositing 9 dollars each week.

Step-by-step explanation:

Just thank me later and click the crown at the top of this answer if it helped ;)

Answer:

A

Step-by-step explanation:

I worked it out :)

Answer:

10 over=5

i asked this quetion

Answer:50

Step-by-step explanation:

Answer:  Three less than a number

Step-by-step explanation: z-3 means the three is subtracted from the unknown number.

An unknown quantity less than three. would be 3 - z or  z < 3

Answer:

A.) Three less than a number

Step-by-step explanation:

Answer:

A on Edge 2021 ;))

Step-by-step explanation:

All terms of the expansion are positive.

The true statement is all terms of the expansion are positive.

Binomial expansions are expansions of expressions that have two terms

The expression is given as:

[tex](a - b)^n[/tex]

This means that the expression (a - b) is to be multiplied by itself, n times.

Hence, all terms of the expansion are positive.

Read more about binomial expansions at:

https://brainly.com/question/11014243

a) The slope of the new road is given by m = -4

b) The equation of line is y = -4x + 32

The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

And y - y₁ = m ( x - x₁ )

y = y-coordinate of second point

y₁ = y-coordinate of point one

m = slope

x = x-coordinate of second point

x₁ = x-coordinate of point one

The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Given data ,

Let the equation of line be represented as A

Now , the value of A is

Let the first point be represented as P ( 4 , 7 )

Let the second point be represented as Q ( 2 , 15 )

Now , the slope is m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Substituting the values in the equation , we get

Slope m = ( 15 - 7 ) / ( 2 - 4 )

Slope m = 8 / -2

Slope m = -4

Now , the equation of line is y - y₁ = m ( x - x₁ )

Substituting the values in the equation , we get

y - 4 = ( -4 ) ( x - 7 )

On simplifying the equation , we get

y - 4 = -4x + 28

Adding 4 on both sides of the equation , we get

y = -4x + 32

Hence , the equation of line is y = -4x + 32

To learn more about equation of line click :

https://brainly.com/question/14200719

#SPJ2

9514 1404 393

Answer:

  C.  12

Step-by-step explanation:

g(f(6)) = g(6 -3) = g(3) = 4(3)

g(f(6)) = 12

Answer:

$4,256.31

Step-by-step explanation:

4,283.30 - 2(19.99) + 12.99 = x

Initial value (last month's earnings) - the two shirts, which were both 19.99 and the pair of sunglasses, which were 12.99.

4256.31 = x

Answer:

19 degrees

Step-by-step explanation:

Will have a triangle with horizontal distance being 2800, and vertical being 1000 feet. Angle between the horizontal and hypotenuse is what we are looking for.

Thus it's a tangent function.

SOH

CAH

TOA <-----

Tangent is the opposite / adjacent

So we will be looking at doing an Arctan to find the angle.

Arctan α = [tex]\frac{1000}{2800}[/tex]  = 19.29 degrees. Round to the nearest whole degree would be 19 degrees due to being less than .50

Your answer is 19 degrees

Answer:

Each girl had $7.50 when they arrived.

Step-by-step explanation:

We have to figure out what c (cost of each notebook) is first before we find out how much money each girl had. We also know they have the same money, so both sides are connected. The equation should be: 3x = x + 5.

3x = x + 5

First, subtract x from both sides. This cancels out the addition by x.

3x - x = 5

Now, subtract x from 3x. This equals 2x.

2x = 5

To cancel out the multiplication by 2, divide both sides by 2.

x = 5/2

Lastly, divide 5 by 2 to get 2.5.

x = 2.5

Substitute x for 2.5 in the earlier equation (3x = x + 5)

3(2.5) = 2.5 + 5

First, multiply 3 by 2.5 to get 7.5.

7.5 = 2.5 + 5

Add 2.5 to 5 to get 7.5.

7.5 = 7.5

Both sides are equal so we have our answer. So, both girls had $7.50 when they arrived at the store.

Answer:

16069.25

Just know that

P=Is the first number in the word prob.

R=the second number (percentage one) which you get into decimal form

T=the last number in the word problem

Answer:

2.64 sales tax

Step-by-step explanation:

hope i helped you

Answer:

-2a+b+5c

Step-by-step explanation:

Answer:

7x/10

Step-by-step explanation:

Answer:

k is 65

Step-by-step explanation:

isolate the variables by dividing each side by factors that don't contain the variable

Answer: 9

Step-by-step explanation:

Since the percent is decaying, you subtract 3.4 from 100, which gets you 96.6

200(0.966)^9 gets you 146.5 which is less than 150

Answer:

yes

Step-by-step explanation:

not sure how to explain it's kinda hard sorry

Answer:

Yes

Step-by-step explanation:

Answer:

7) 11

8) 21.5

9) 9

10) 35+12=47

11) 3+5+9=17

Hope this helps!

Step-by-step explanation:

Answer:

False

Step-by-step explanation:

0.15/10 equals 0.015