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3 years ago

A tortoise is walking in the desert. It takes

Mathematics

2 answers:

LiRa [457]3 years ago

8 0

1.6 meters per minute

work:
6.4meters/ 4 minutes = 1.6 meters per minute

dlinn [17]3 years ago

7 0

96 meters per hour :)

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The area of a circle, in terms of π, is 80π m2. Find the value of the radius. Give your answer as a simplified surd.

jolli1 [7]

Answer:

$r=4\sqrt{5}\:\: \sf m$

Step-by-step explanation:

$\textsf{Area of a circle}=\pi r^2 \quad \textsf{(where r is the radius)}$

Given:

Area = 80π m²

Substitute the given value into the formula and solve for r:

$\implies 80 \pi = \pi r^2$

$\implies \dfrac{80 \pi}{\pi} = \dfrac{\pi r^2}{\pi}$

$\implies 80=r^2$

$\implies \sqrt{r^2}=\sqrt{80}$

$\implies r=\sqrt{80}$

$\implies r=\sqrt{16 \cdot 5}$

$\implies r=\sqrt{16}\sqrt{5}$

$\implies r=\sqrt{4^2}\sqrt{5}$

$\implies r=4\sqrt{5}$

4 0

2 years ago

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F(x) = -x + 2, find f(6)

dimulka [17.4K]

Answer:

f(6)=-(6)+2=-4

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7 0

3 years ago

Read 2 more answers

the ratio of strawberry to banana batter is 2:3. We need 30 cups of batter total. What percent of the cake is banana.

frutty [35]

70% is the correct answer to this i think

7 0

4 years ago

Kathy ran the 400-meter dash in 60.48 seconds. She ran the 200 meter dash in 28.9 seconds.If she divided her 400-meter dash time

nika2105 [10]

Answer:

Kathy would take 7.56 seconds to run each of the 8-time segments of the 400-meter dash.

Step-by-step explanation:

Kathy ran the 400-meter dash in 60.48 seconds, so if she now divided that time into 8 equal time segments we have:

$t = 60.48 s$

By dividing the above equation into 8:

$t = \frac{60.48 s}{8} = 7.56 s$

Hence, she would take 7.56 seconds to run each of the 8-time segments of the 400-meter dash.

I hope it helps you!

3 0

3 years ago

Solve pls brainliest

Lyrx [107]

Answer:

-54 and 56

Step-by-step explanation:

An integar is only the number which has no decimals or fractions

8 0

2 years ago