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Doss [256]
3 years ago
9

What is the answer to 7 (10-3x) = 5(10-4x

Mathematics
1 answer:
astra-53 [7]3 years ago
3 0

Answer: 70-27x = 50-20x

Step-by-step explanation: First you do 7 x 10 which equals 70 then 7 x -3x equals -27x. Next you do 5 x 10 which is 50 next you do 5 x -4x equals -20x. So your answer is 70-27x = 50-20x

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Factor as the product of two binomials.<br> x^2 – 100
Gemiola [76]

Answer:

(x+10)(x-10)

Step-by-step explanation:

7 0
3 years ago
Match each graph with the correct equation written in<br> standard form. Explain your reasoning.
My name is Ann [436]

The graphs and their equations are:

  • Line 1: 6x - 2y = -10
  • Line 2: 9x - 9y = -45
  • Line 3: 3x - 12y = -60

<h3>How to determine the equations of the graphs</h3>

The three lines are linear equations, because they are all straight lines.

Also, the lines have the same y-intercept (this is so, because they cross the y-axis at the same point), but they have the same slope

Next, we rewrite the equations in slope-intercept form.

So, we have:

3x - 12y = -60

Divide through by -12

-0.25x +y = 5

Make y the subject

y = 0.25x + 5

6x - 2y = -10

Divide through by 2

3x - y = -5

Make y the subject

y = 3x + 5

9x - 9y = -45

Divide through by -9

-x + y = 5

Make y the subject

y = x + 5

Line 1 has the highest slope, while line 3 has the least slope.

So, we have the following equations:

  • Line 1: 6x - 2y = -10
  • Line 2: 9x - 9y = -45
  • Line 3: 3x - 12y = -60

Read more about linear equations at:

brainly.com/question/14323743

5 0
2 years ago
How many buttons did Anne sew?<br> Rate: 8 buttons per minute Time: 7 minutes
olganol [36]

Answer:

42 buttons

Step-by-step explanation:

8 x 7 = 42

42 buttons

Hope that helped have a nice day

Can I have brainliest btw?

8 0
2 years ago
Read 2 more answers
Can a triangle have angle measures as 140,43, and 7
Mariulka [41]

The angles in a triangle always add up to exactly 180 degrees.  To see if this can be a triangle, add up the given angle measures.  If the sum is not 180, then it cannot be a triangle.

140+43+7=190

A triangle CANNOT have the angles measures as 140, 43, and 7.

Hope this helps!!

3 0
3 years ago
How is 3072 written in expanded form??
Juliette [100K]
3000 + 70 + 2

It's basically everything that is added to get that number. You do not need a 100's place because a 0 is holding that spot. 
8 0
3 years ago
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