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natita [175]
3 years ago
5

Math 7 Grade 7. Can anyone help me answer these questions?

Mathematics
1 answer:
zaharov [31]3 years ago
6 0
1. What is the opposite of -2?  2

2. When we add opposites together they will always equal = ? 0

This is also known as what ?
additive inverse 

Adding with integers with SAME signs.

-8 + -3 = -11

-12 + -15 = -27

-3 + -9 + -25 = -37
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GalinKa [24]

Answer is in the attached file...

8 0
3 years ago
Please help!
motikmotik

Answer:

A.

Step-by-step explanation:

Step 1: Write equation

x² - 8x = 3

Step 2: Solve for <em>x</em>

  1. Complete the Square: x² - 8x + 16 = 3 + 16
  2. Factor: (x - 4)² = 19
  3. Square root both sides: x - 4 = ±√19
  4. Add 4 to both sides: x = 4 ± √19
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3 years ago
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Please help again I need it
Ilya [14]
The two angles are verticals angles so they are congruent, so you can solve for x by writing and solving an equation

6x-82=3x-23

Combine like terms

3x=105

And simplify to get x=35
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3 years ago
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What is the value of the function f(x) = 1.5x + 7.6 when x = 1.1?
dangina [55]
<span>f(x) = 1.5x + 7.6
</span><span>f(1.1) = 1.5(1.1) + 7.6
f(1.1) = 1.65 + 7.6
f(1.1) = 9.25</span>
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3 years ago
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Which expression is equivalent to 16x +42y?
V125BC [204]

Find the Greatest Common Factor (GCF)

GCF = 2

Factor out the GCF (Write the GCF first. Then, in parentheses, divide each term by the GCF.)

2(16x/2 + 42y/2)

Simplify each term in parenthesis

<u>C. 2(8x + 21y) </u>

4 0
3 years ago
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