2 years ago

Isabella's dance classes 45 minutes long 20% of the time is spent stretching how many minutes does Isabella's spend stretching

1 answer:

4 0

$\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{20\% of 45}}{\left( \cfrac{20}{100} \right)45}\implies 9$

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Pleaseeeeee help The measure of angle is (5pi)/6 The equivalent measurement in degrees is

Archy [21]

Answer:

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To convert from radian to degree we multiply the angle by

180/π

5π/6,

Multiply by

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7 0

3 years ago

Find the surface area. 17 ft 8 ft. 20 ft 15 ft Need this fast

Orlov [11]

Answer:

920 square feet

Step-by-step explanation:

Top: 20 * 17 = 340

Side triangles: 8 * 15 / 2 = 60

2 side triangles: 60 * 2 = 120

Back rectangle: 8 * 20 = 160

Bottom rectangle: 15 * 20 = 300

All of them: 340 + 120 + 160 + 300 = 920

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2 years ago

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eduard

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers

Write and solve a system of linear equations: The larger of two numbers is 18 more than 5 times the smaller. If 3 times the larg

marshall27 [118]

Answer:

8 and -2

Step-by-step explanation:

Let the numbers be l and s.

We have equations:

l = 5s + 18

3l + 4s = 16

Solve for s by substituting l into the second equation:

3(5s + 18) + 4s = 16

15s + 54 + 4s = 16

19s = 16 - 54

19s = -38

s = -38/19

s = -2

Find the value of l:

l = 5(-2) + 18

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3 years ago