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atroni [7]
3 years ago
7

Help 40 points !!

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
6 0
I think
First one is negative 13/9
Second is negative 35/18
Third one is 2 1/9
Fourth is negative 13/9
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Plz help i need this done now.
tatuchka [14]

Answer:

infinite solutions

Step-by-step explanation:

4x+4(3x+7) = 8(2x-3) +52

Distribute

4x+12x+28 = 16x-24+52

Combine like terms

16x+28 = 16x +28

Subtract 16x from each side

16x-16x+28 = 16x-16x +28

28=28

This is true, so there are infinite solutions

8 0
3 years ago
Write the equation of a line that passes through (-1,3) (0,8)
gizmo_the_mogwai [7]

You'll be using point slope form to solve this.

As the name suggests, you'll need the slope as well as a point. To find the slope use the slope formula: \frac{y_2-y_1}{x_2-x_1}

Plug in the points.

\frac{8-3}{0-(-1)} =\frac{5}{1} =5

The slope of this line is 5.

Point slope form is y-y1 = m(x-x1), so plug in the slope and a point into this equation. I'll use (0,8).

y-(8) = 5(x-(0))

1. Write this out without parentheses.

y-8 = 5(x)

2. Multiply 5 and x.

y-8 = 5x

3. Add 8 to both sides.

y = 5x+8

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Answer is:

y = 5x+8

6 0
3 years ago
If there is 5 classes, how many dozen cupcakes does each class get?
Colt1911 [192]

Answer:

60

Step-by-step explanation:

5x12=60

3 0
3 years ago
Solve the simultaneous equations using elimination method.<br>4x – 3y = 1<br>x + 3y =​
babymother [125]

Answer:

x=\frac{1}{5}

y = -\frac{1}{15}

Step-by-step explanation:

4x - 3y = 1

x + 3y = 0

Req To Solve With Elimination:

Make Them Equal:

-> 4x - 3y = 1

-> 4x + 4 . 3y = 0

Simplify:

->  4x - 3y = 1

-> 4x + 12y = 0

-> 4x - 4x - 3y - 12y = 1

-> -3y - 12y = 1

-> -15y = 1

-> y = -\frac{1}{15}

-> x+3(-\frac{1}{15} )=0

-> x -\frac{1}{5}=0\\

-> x=\frac{1}{5}

<em><u>Please Mark As Brainliest</u></em>

8 0
3 years ago
Read 2 more answers
Find the remainder when f(x)=2x^3-x^2+x+1 is divided by 2x+1
Taya2010 [7]

Answer:

0

Step-by-step explanation:

By the remainder theorem, this is the same as finding f(-1/2), which is equal to 0.

8 0
2 years ago
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