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Luden [163]
3 years ago
12

What is -2x-4y+6x-8y

Mathematics
2 answers:
Nostrana [21]3 years ago
7 0

Answer:

4x - 12y

Step-by-step explanation:

-2x - 4y + 6x - 8y

= 4x - 12y

xenn [34]3 years ago
7 0

-2x-4y+6x-8y

Combine the like terms first

-2x+6x-4y-8y

= 4x-12y

answer:

4x-12y

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Find the slope and y-intercept of the graph of each linear function.
Lady_Fox [76]

Answer:

see below

Step-by-step explanation:

These are written in slope intercept form

y = mx+b where m is the slope and b is the y intercept

A. y = 1/2x + 10

The slope is 1/2 and the y intercept is 10

B. y = -4x - 3

The slope is -4 and the y intercept is -3

3 0
3 years ago
A set of three scores consists of the values 3, 7, and 2.<br> Σ2X – 2 = <br> Σ(X – 1)² =
AfilCa [17]

Answer:

Step-by-step explanation:

Given the set of datas 3, 7 and 2, we are to evaluate the folowing;

Σ2X – 2 and Σ(X – 1)² =where X are the individual datas.

We will substitute each of the data as value of X and ten take the sum as shown;

For Σ2X – 2

Σ2X – 2 = [2(3)-2]+[2(7)-2]+[2(2)-2]

Σ2X – 2 = (6-2)+(14-2)+(4-2)

Σ2X – 2 = 4+12+2

Σ2X – 2 = 18

For Σ(X – 1)² where x values are also 3, 7 and 2 we will have;

Σ(X – 1)² = (3 – 1)²+(7 – 1)²+(2 – 1)²

Σ(X – 1)² = 2²+6²+1²

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8 0
3 years ago
B + 5/14 ; b=5/7<br> Help, please
Anna [14]
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7 0
3 years ago
What is the value a and b in<br> The equation<br><br> a(3x -8)=b-18x
Misha Larkins [42]

Answer:

a=\frac{b-18x}{3x-8}\\b=3ax-8a+18x

Step-by-step explanation:

<u>Solving for A:</u>

a(3x-8)=b-18x - Given

\frac{a(3x-8)}{(3x-8)}=\frac{b-18x}{(3x-8)} - Divide both sides by 3x-8 to isolate a

a = \frac{b-18x}{3x-8} - Simplify

<u>Solving for B:</u>

<u />a(3x-8)=b-18x - Given

3ax-8a=b-18x - Distribute the parenthesis (distributive property)

3ax-8a+18x=b - Add 18x to both sides to isolate b

5 0
3 years ago
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