3 years ago

Someone please help??

Mathematics

1 answer:

Ksju [112]3 years ago

4 0

Answer:

hey

Step-by-step explanation:

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Find out the area and perimeter of circle of radius 7cm

lutik1710 [3]

Answer:

$area = \frac{\pi}{4} \times {r}^{2} \\ = \frac{\pi}{4} \times {7}^{2} \\ = \frac{\pi}{4} \times 49 \\ = 38.48451000647 \: cm \: ans......$

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2 years ago

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Can some one please help me and explain how you got the answer?

podryga [215]

Answer:

Yes number 5 is, they are proportional because y is coresponding to x by multiplying by 1/5

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3 years ago

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Solve ln 2 + ln x = 5. Round to the nearest thousandth, if possible.

azamat

Answer:

The value of x nearest to thousandths is, 74.207

Step-by-step explanation:

Solve : $\ln 2 + \ln x = 5$

$\ln$ represents the logarithmic function with base e.

Using logarithmic properties:

$\ln (mn) = \ln m + \ln n$

$\ln x = a$ , then $x = e^a$

$\ln 2 + \ln x = 5$

Apply the logarithmic properties; we have

$\ln 2x = 5$

then;

$2x = e^5$

$2x=148.41315910258$

Divide both sides by 2 we get;

$x = 74.2065796$

Therefore, the value of x nearest to thousandths is, 74.207

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3 years ago

Jonah's and his aunt's houses are 8,750 meters apart. Jonah's walking speed is 5 kilometers per hour. How long will it take him

umka2103 [35]

8750 Meters = 8.75 Kilometers
8.75 Kilometers / 5 Kilometers Per Hour = 1.75 Hours = 1 Hour and 45 Minutes

Hope this helps.

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3 years ago

I JUST NEED TO KNOW IF IM SUPPOSED TO SUBTRACT, ADD, MULTIPLY, OR DIVIDE

nadezda [96]

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