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shepuryov [24]
3 years ago
5

What is the surface area please help I will mark brainliest

Mathematics
1 answer:
Lemur [1.5K]3 years ago
5 0

Answer:

292.5 square cm

Step-by-step explanation:

13 x 9 / 2 = 58.5 x 5 = 292.5 square cm

Hope that helps!

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Simplify.<br> 2u? - 20u +42<br> u² – 5u+6
chubhunter [2.5K]

Answer:

The simplified expression is:

\frac{2(u + 7)}{(u- 2)}

Step-by-step explanation:

We want to simplify:

\frac{2 {u}^{2}  - 20u + 42}{ {u}^{2}  - 5u + 6}

We factor the numerator and the denominator to get:

\frac{2(u - 3)(u + 7)}{(u- 2)(u- 3)}

Cancel out u-2 which is common to the numerator and the denominator yo get:

\frac{2(u + 7)}{(u- 2)}

5 0
3 years ago
Can someone help me find the measure of each angle indicated please
Lyrx [107]

Answer:

Option B, 105 would be correct

Step-by-step explanation:

The Vertical Angles Theorem states that angles that are opposite diagonally are congruent, therefore; ? = 105°

Hope this helps!

5 0
2 years ago
Guys does that mean multiply or like fractions?
Zepler [3.9K]

Answer:

multiply

Step-by-step explanation:

It says for you to multiply.

4 0
2 years ago
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The model below represents an equation. Which value of x makes the equation<br> true?
Sliva [168]

Answer:

1,1,1,1

Step-by-step explanation:

I believe this is right

3 0
2 years ago
8x+11=14-1x how does it work
Alenkinab [10]

Answer:

x = 1/3

Step-by-step explanation:

Step 1: Write equation

8x + 11 = 14 - 1x

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

  1. Simplify: 8x + 11 = 14 - x
  2. Add x to both sides: 9x + 11 = 14
  3. Subtract 11 on both sides: 9x = 3
  4. Divide both sides by 9: x = 3/9
  5. Simplify: x = 1/3

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

8(1/3) + 11 = 14 - 1(1/3)

8/3 + 11 = 14 - 1/3

41/3 = 41/3

3 0
3 years ago
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