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3 years ago

Calculate.

}" alt="\sqrt{(-4.5)^{4}}" align="absmiddle" class="latex-formula">

Mathematics

1 answer:

ElenaW [278]3 years ago

5 0

Answer:

Step-by-step explanation:

$\sqrt{(-4.5)^{4}}=\sqrt{(-4.5)*(-4.5)*(-4.5)*(-4.5)}\\\\= (-4.5) * (-4.5)\\\\= 20.25$

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16.2 Jumping Rope

slava [35]

Answer:

Percentage of Diego's time is 75%.

Step-by-step explanation:

Given : Jumping Rope hool held a jump-roping contest. Diego jumped rope for 20 minutes. A school held a jur Jada jumped rope for 15 minutes.

To find : What percentage of Diego's time is that?

Solution :

Diego jumped rope for 20 minutes.

Jada jumped rope for 15 minutes.

Percentage of Diego's time is given by,

$\text{Percentage change}=\frac{\text{Jada time}}{\text{Diego time}}\times 100$

$\text{Percentage change}=\frac{15}{20}\times 100$

$\text{Percentage change}=75\%$

Therefore, percentage of Diego's time is 75%.

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3 years ago

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Marta_Voda [28]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

If the interior angle of a regular polygon measures 170°, how many sides does it have

bazaltina [42]

Since the interior is 170 the exteriro must be 10 degrees. There is a total of 360 degrees so 360/10=36 or 36 sides.

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3 years ago

Please answer this for me

forsale [732]

Answer:

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Step-by-step explanation:

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iris [78.8K]

Answer:

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Step-by-step explanation:

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