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Vinil7 [7]
2 years ago
11

I need help. Please

Mathematics
1 answer:
s344n2d4d5 [400]2 years ago
3 0

Answer:

75cm2

Step-by-step explanation:

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The answer to your question is b
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2 years ago
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What is the perimeter of this polygon? Round your answer to the nearest<br> tenth
bulgar [2K]

Answer:

A

Step-by-step explanation:

pythagorean theorem

A^2+B^2=C^2 do that for all sides then add

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You and your family go out to dinner to build a total of $54 plan to leave 20% tip how much tip should you leave
loris [4]

Answer:

$10.8 is left.

Step-by-step explanation:

Given that,

Total amount = $54

Left amount = 20%

We need to find how much tip should you leave. It means we need to find 20% of 54. So,

A=\dfrac{20}{100}\times 54\\\\=\$10.8

So, $10.8 is left.

3 0
2 years ago
Solve the equation - <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bw%7D%7B5%7D" id="TexFormula1" title="\frac{w}{5}" alt="\frac{w}
Tatiana [17]

Answer:

w = -20

Step-by-step explanation:

-\frac{w}{5} + 9 = 13

Shift the (+9) to the other side of the equation. (+9) will turn into (-9).

-\frac{w}{5} = 13 - 9

   = 4

Shift the (÷5) to the other side of the equation. (÷5) will turn into (×5).

-w = 4 × 5

    = 20

Multiply both sides of the equation by (-1) so that -w will turn into w.

w = (-1) × 20

w = -20

5 0
3 years ago
What is the value of x in 0.8x = 7.2
Ann [662]

Answer:

x = 9

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

0.8x = 7.2

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

  1. Divide both sides by 0.8:                    x = 9

<u>Step 3: Check</u>

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

  1. Substitute:                    0.8(9) = 7.2
  2. Multiply:                        7.2 = 7.2

7.2 does indeed equal 7.2. ∴ x = 9 is a solution.

And we have our final answer!

4 0
3 years ago
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