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natulia [17]
3 years ago
14

What is 20% of 50?

Mathematics
1 answer:
vova2212 [387]3 years ago
6 0

Answer:

C.) percent= 20%, Amount=unknown, Base =50

Step-by-step explanation:

The percent is the percent, so 20% is the percent.

The number you take the percent of is the base. The base is 50.

Once you calculate the percent of the base, you get the amount.

We are given the percent, 20%, the base, 50, but not the amount.

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Does (3x+5)+5x+7=180?? and if it does what is the value of x?
Ostrovityanka [42]

Answer:  

x=21

Step-by-step explanation:

Let's solve your equation step-by-step.

3x+5+5x+7=180

Step 1: Simplify both sides of the equation.

3x+5+5x+7=180

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Step 2: Subtract 12 from both sides.

8x+12−12=180−12

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brainliest please?

6 0
3 years ago
Read 2 more answers
Need done ASAP due later today SHOW WORK
sdas [7]

Answer:

x = 56, x = 30

Step-by-step explanation:

(a)

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Here n = 5, then

sum = 180° × 3 = 540°

sum the interior angles and equate to 540

72 + 2x + 99 + 89 + 3x = 540, that is

5x + 260 = 540 ( subtract 260 from both sides )

5x = 280 ( divide both sides by 5 )

x = 56

----------------------------------------------------------------

(b)

The sum of the exterior angles of a polygon = 360°

sum the exterior angles and equate to 360

94 + 56 + 4.5x + x + 1.5x = 360, that is

7x + 150 = 360 ( subtract 150 from both sides )

7x = 210 ( divide both sides by 7 )

x = 30

7 0
3 years ago
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