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Hatshy [7]
3 years ago
6

Add. (2x + 5) + (3x - 7) A) x - 2 B) x + 2 C) 5x - 2 D) 5x + 2

Mathematics
2 answers:
MrRissso [65]3 years ago
8 0
5x - 2. Just combine like terms, and distribute the + to the second term. 
iVinArrow [24]3 years ago
8 0

Answer:

C) 5x - 2

Step-by-step explanation:

When parentheses are preceded by a + sign, they may be immediately removed. Two additions and one subtraction are called for here: 2x + 5 + 3x - 7. This is 5x - 2.

(2x + 5) + (3x - 7)

2x + 5 + 3x - 7

2x + 3x - 7 + 5

<u>5x - 2</u>.

<h2>Hope this helps!!!</h2>
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place value is the answer

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jolli1 [7]

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0

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2-2=0

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2 years ago
The triangles are similar.
RSB [31]

Answer:

The value of x is 12.

Step-by-step explanation:

In order to find the value of x, we first need to find the scale factor. We can find this by dividing any side of the larger triangle with the corresponding part of the smaller triangle.

28/7 = 4

This means everything in the larger triangle is 4 times as great as the smaller triangle. Knowing this, we can set the larger hypotenuse equal to 4 times the smaller.

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8 0
3 years ago
I need help pls help me
FinnZ [79.3K]
1. Common ratio is 5
2. 47
3. I believe the answer is -18, though you might want a second opinion on it to make sure it's correct.

Hope this helped! Good luck! :)
4 0
3 years ago
Solve for x in the equation x^2-14+31=63
Bingel [31]
To solve for a variable, you need to get it (x) by itself.

x² - 14 + 31 = 63   Add 31 to -14
x² + 17 = 63   Subtract 17 from both sides of the equation
x² = 46   Square root both sides
x = \pm \sqrt{46}

Check your work by plugging in \sqrt{46} for x and then - \sqrt{46}.

\sqrt{46}² - 14 + 31 = 63   Square \sqrt{46}
46 - 14 + 31 = 63   Subtract 14 from 46
32 + 31 = 63   Add
63 = 63

- \sqrt{46}² - 14 + 31 = 63   Square - \sqrt{46}
46 - 14  + 31 = 63   Subtract 14 from 46
32 + 31 = 63   Add
63 = 63

So, x is \sqrt{46} and - \sqrt{46} .
3 0
3 years ago
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