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juin [17]
3 years ago
15

Find the diameter of the circle with a radius of 20 feet.

Mathematics
2 answers:
bonufazy [111]3 years ago
5 0

Answer:

40

Step-by-step explanation:

D=2r so 2*20=40

Ira Lisetskai [31]3 years ago
5 0

Answer:

40 feet

Step-by-step explanation:

To find diameter use:

d=2r

Substitute 20 in for r

d=2(20)

Multiply

d=40

So, the diameter is 40 feet

Hope this helps! :)

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(-3) - (-7) pls show your work​
anyanavicka [17]

Answer:

4

Step-by-step explanation:

-3-(-7) is the same as -3+7, which is also the same as 7-3, which is equal to 4

3 0
2 years ago
78 million converted in scientific notation
Lemur [1.5K]

The <em><u>correct answer</u></em> is:

7.8 × 10⁷

Explanation:

To write a number in scientific notation, we want the decimal behind the first non-zero digit in the number. The first non-zero digit in 78 is 7; this means we want 7.8. In order to have the decimal point behind the 7, we need to move the decimal 7 places. This is the exponent of 10 in our scientific notation, which gives us

7.8 × 10⁷

7 0
3 years ago
Find the missing Factor of ×9=90
n200080 [17]

Answer:

x=10

Step-by-step explanation:

9×10=90 That is how I got the answer.

5 0
3 years ago
PLEASE HELP ME<br> WILL MARK BRAINLIEST
Leona [35]

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3 0
2 years ago
Read 2 more answers
Driving 70 mph, it takes Alicia 3 hours to reach the airport to go on a vacation. It then takes her 2 hours to get to her destin
Snowcat [4.5K]
Distance=speed*time

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Total distance covered= 910 miles
8 0
3 years ago
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