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nordsb [41]
2 years ago
15

Plzz help will give brainliest

Mathematics
1 answer:
skad [1K]2 years ago
6 0

Answer: 82.5 - x = R sorry if I am wrong

Step-by-step explanation:

1. We know all the angles in a triangle add up to 180 degrees.

<em>180 = x + x + 15 + R</em>

2. Combine like terms

<em>180 = 2x + 15 + R</em>

3. Subtract 15 from both sides

<em>165 = 2x + R</em>

4. Divide both sides by 2

<em>82.5 = x + R</em>

5. Subtract x from both sides

<em>82.5 - x = R</em>

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Nezavi [6.7K]

Answer:

A = 28 units ^2

Step-by-step explanation:

The area of a triangle is

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The base is 14 and the height is 4

A = 1/2 (4) * 14

A = 28 units ^2

5 0
3 years ago
Read 2 more answers
PLEASE HELP <br><br> THERE ARE MANY QUESTIONS LIKE THIS ON MY PAGE SO U CAN JUST KEEP GETTING POINTS
Nastasia [14]

Answer: 1

Step-by-step explanation:

first, i multiplied it all out.

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8 0
3 years ago
If f(x) =x 2 + 10, what is f (-5)?
lisov135 [29]

Answer:

f(-5) = 35

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = x² + 10

f(-5) is x = -5

<u>Step 2: Evaluate</u>

  1. Substitute:                    f(-5) = (-5)² + 10
  2. Exponents:                   f(-5) = 25 + 10
  3. Add:                              f(-5) = 35
7 0
3 years ago
You deposit $260 every six months into an account earning 4.1% interest compounded semiannually.
butalik [34]

Answer:

ITS B ..

Step-by-step explanIation:

subs to sir joel his playing blockman go

8 0
3 years ago
Can anyone help me?
frozen [14]
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   =  ------------------ * ---------
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       3x - 1
=  --------------
       8x - 8
6 0
3 years ago
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