Please help me my teacher won’t help me at all :/

Answer:

[tex]2x + 20 = 60 \\ 2x = 60 - 20 \\ 2x = 40 \\ x = \frac{40}{2} \\ x = 20[/tex]

Answer:8.95+10>115

Step-by-step explanation: wow ok

Answer:

4√15

Step-by-step explanation:

The geometric mean of x and y is √(xy).

So here we have:

√(12*20)

= √240

= √(16*15)

= √16√15

= 4√15.

Answer:

1) A

3) A

Step-by-step explanation:

Solve using factoring or quadratic formula.

Answer:

(2,2)

Step-by-step explanation:

Answer:

move the shape 5 left in the x axis

Step-by-step explanation:

take the coordinates and -5 from each x value (X,,y)

Answer: move 5 to the left

Step-by-step explanation:

Did you ever find the answer ?

Answer:

11m-12

Step-by-step explanation:

3×m=3m 3×-4=-12

8m+3m=11m

11m-12

Answer:

.4

Step-by-step explanation:

Camile shaded 18/30 of a model.

Thus the unshaded portion of the model is:

30 - 18 = 12

12/30

12/30 = 0.4

Answer: 108.83 yd²

Step-by-step explanation:

First find height.

Use trigonometric ratios:

sin85 = h/9.5

h = 9.5sin85 = 9.46 yd

Use the following formula:

A = [tex]\frac{1}{2}[/tex]bh

A = [tex]\frac{1}{2}[/tex] (23)(9.46)

A = 108.83 yd²

Answer:

the answer is B

Step-by-step explanation:

x + x = 2x

y - y = 0

6 + 2 = 8

2x = 8

Answer:

12

Step-by-step explanation:

(1×3)+(1×3)+(1×3)+(1×3)

3+3+3+3

12 apples

Answer:

Step-by-step explanation:

it means that her friend ate 37 cookies from the 561 cookies that kayla had before she ate them

Answer:

it means That Kayla is about to catch a body

Step-by-step explanation:

Explanation is in the file

tinyurl.com/wtjfavyw

Answer:

I think you mean 1/9.

If so, Sarah gets 2/9 of the money.

Step-by-step explanation:

1 = 9/9

1-(1/9)= 8/9

Colin : Sarah, altogether is 8

6 : 2

Thus, Sarah get 2/9

Answer:

Sarah proportion is 25% of the momey

Answer:

D) is the correct answer

Step-by-step explanation:

To define a function, so one x can only corresponding to one y.

Then for A) we have x = -5, but y can be 1 and 4, so it is to a function,

for B) x =1, y = -1 or -4, so not. For C) x =0, y = -3 or 0, so wrong. Then left with D) which each x only corresponding to one y, so D) is correct.

If it is helpful, plz give me Brainliest.

Answer:

a+ 96

Step-by-step explanation:

A= (1/2*18 + 1/2*6) *8

A= (9 + 3) * 8

A= 12 * 8

A= 96

The slope is 5/3 and the h intercept is (0,8/3)

Answer:

Reflection across the x-axis

Step-by-step explanation:

The points are the same, just opposite of one another. The image looks as if it is a reflection. Think of the x-axis like a puddle and the shape looking into it; try to picture the image seeing its reflection to help.

Answer:

Reflection across the x-axis.

Step-by-step explanation:

The triangles mirror each other with the x-axis acting like said mirror.

we have y≥2x-2 ------> inequality A

The inequality A is the solid red line in the graph the solution of the inequality A is the shaded area above the solid red line x+4y≥?------> inequality B The inequality B is the solid blue line in the graph the solution of the inequality B is the shaded area above the solid blue line we know that the point (0,-3) lie on the line of the inequality B. substitute the values of x and y in the equation of the line

x+4y=c

0+4*(-3)=c

c=-12

so the answer is -12

The system of linear inequalities is:

y > 2x – 2 and x + 4y > -12.

It shows a relationship between two numbers or two expressions.

There are commonly used four inequalities:

Less than = <

Greater than = >

Less than and equal = ≤

Greater than and equal = ≥  

We have,

When x = 0, y = 2(0) – 2 = -2.

So the point (0, -2) is on the line.

When x = 2, y = 2(2) – 2 = 2.

So point (2, 2) is on the line.

Plotting these two points and drawing a line through them gives us the graph of y = 2x – 2.

Next, let's graph x + 4y = -12 by solving for y:

x + 4y = -12

4y = -x - 12

y = (-1/4)x - 3

Again, we can plot two points on the line.

When x = 0, y = -3, giving us the point (0, -3).

When x = -4, y = -2, giving us the point (-4, -2).

Plotting these points and drawing a line through them gives us the graph of x + 4y = -12.

Thus,

The solution to the system of inequalities is the shaded region where the two graphs intersect and y > 2x – 2.

This region is shown in the attached image.

Learn more about inequalities here:

https://brainly.com/question/20383699

#SPJ7

Answer:

x = 3/2

Step-by-step explanation:

7/3 = (x + 2)/x

7x = 3(x + 2)

7x = 3x + 6

4x = 6

x = 6/4 = 3/2

There, someone helped you.  Now could you do it alone next time?

Answer:

Step-by-step explanation:

8x + 38 = -3(-6 - 4x)

8x + 38 = -3(-4x - 6)

8x + 38 = -3 (-4x - 6)

8x + 38 = 12x + 18

8x +38 = 12x + 18

8x + 38 - 38 = 12x + 18 - 38

8x + 38 - 38 = 12x + 18 - 38

8x = 12x + 18 - 38

8x= 12x - 20

8x = 12x - 20

8x - 12x = 12x - 20 - 12x

8x - 12x = 12x - 20 - 12x

-4x = 12x - 20 -12x

-4x = 12x - 20 -12x

-4x = - 20

-4x = -20

[tex]\frac{-4x}{-4} =\frac{-20}{-4}[/tex]

X = 5