3 years ago

Question 1 of 10

Mathematics

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Liula [17]3 years ago

5 0

Answer:

Step-by-step explanation:

A P E X

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Three to the power of three minus seven plus ten

BARSIC [14]

Answer:

Step-by-step explanation:

You’re correct

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3 years ago

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Richard walks every day for exercise at a rate of 1 kilometer every 20 minutes. At this rate, how many meters can Richard walk i

Zanzabum

Answer:

3000 minutes

Step-by-step explanation:

20 x 3 = 60 minutes

60 minutes = 1 hour

1 x 3 = 3km

3km = 1 hour

3 x 1000 = 3000 meters

Ans: 3000 meters

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3 years ago

Which expression is equivalent to (82)−4?

horsena [70]

$82^{-4}= \cfrac{1}{82^4}$

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4 years ago

What is the equation for a line that passes through the points (-3, 4) and (-1, -2)

gregori [183]

Answer:y=-3x-5

Step-by-step explanation:

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4 years ago

A circle is drawn inside a square so its circumference touches each of the four sides of the square. If the area of the circle i

Snowcat [4.5K]

Answer:

The length of the sides of the square is approximately 11.239 centimeters.

Step-by-step explanation:

Since the circle is inscribed in the square, the length of each side of the square ( $l$ ), in centimeters, is equal to the length of the diameter of the circle ( $D$ ), in centimeters. The area of the circle ( $A_{c}$ ), in square centimeters:

$A_{c} = \frac{\pi\cdot D^{2}}{4}$ (1)

Where $D$ is the diameter of the circle, in centimeters.

If we know that $A_{c} = 99.2\,cm^{2}$ , then the length of the sides of the square is:

$D = \sqrt{\frac{4\cdot A_{c}}{\pi} }$

$l = D \approx 11.239\,cm$

The length of the sides of the square is approximately 11.239 centimeters.

8 0

3 years ago