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loris [4]
3 years ago
10

Express 31 billion in scientific notation

Mathematics
1 answer:
ella [17]3 years ago
5 0
3.1 x 10^10

Yeah, that's it.
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A circle with the radius of 1cm sits inside a 3cm×4cm rectangle. What is the area of the shaded region?
Tanya [424]

Answer:

8.86

Step-by-step explanation:

Im guessing you want the rectangles area

Finding circle area do radius times radius times 3.14 so 1 x 1 = 1 x 3.14 = 3.14

Rectangle area is length times width so 3 x 4 = 12 - 3.14 = 8.86

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How do I convert standard form to point slope
Fittoniya [83]

The point-slope form:

y-y_1=m(x-x_1)

(x_1,\ y_1) - given point

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The standard form:

Ax+By=C


y-y_1=m(x-x_1)    <em>use distributive property</em>

y-y_1=mx-mx_1      <em>add y_1 to both sides</em>

y=mx-mx_1+y_1      <em>subtract mx from both sides</em>

-mx+y=-mx_1+y_1       <em>change the signs</em>

mx-y=mx_1-y_1

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3 years ago
An integer between 4.5 and 5.5
Brums [2.3K]

Answer: 5

Step-by-step explanation:

the only whole number between them is 5 <3

3 0
3 years ago
Are Hindus good?? Giving brainliest!!!
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Answer:

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Noah earns $16 per hour babysitting. At his last babysitting job, he received a tip of
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Answer:

He must work for 115 hours to save at least $1900.

Step-by-step explanation:

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