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tatuchka [14]
3 years ago
12

Can someone please help me?

Mathematics
1 answer:
WITCHER [35]3 years ago
6 0

Answer: 38.57

Step-by-step explanation:

Make a proportion then solve.

Put seconds over feet.

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7.935 x 10 to negative 5 power
Effectus [21]

Answer:

0.00007935

Step-by-step explanation:

7.935 x 10 to negative 5 power can be written as:

7.935 x 10^(-5)

7.935*10^{-5}\\\frac{7.935}{10^5}

A trick to finding 10 to the x power, x is the number of 0's. So 10^5 = 100000

\frac{7.935}{100000}\\

When dividing by tens, move the decimal to the left by the amount of 0's

So our answer is 0.00007935

5 0
4 years ago
Write each fraction or mixed number as a decimal 7/20
horsena [70]

Answer:

\large\boxed{\dfrac{7}{20}=0.35}

Step-by-step explanation:

\bold{METHOD\ 1}\\\\\dfrac{7}{20}=7:20=0.35\\\\\text{Use a calculator or long division}\\\\.\qquad\underline{0.35}\\.\ \ 20|7\\.\ \ \ \ \ \underline{\ 0}\\.\qquad70\\.\ \ \ \ \ \underline{\ 60}\\.\qquad100\\.\qquad\underline{100}\\.\qquad==

\bold{METHOD\ 2}\\\\\dfrac{7}{20}=\dfrac{7\cdot5}{20\cdot5}=\dfrac{35}{100}=0.35

7 0
4 years ago
Kelly drew a circle with a diameter of 8cm Paige drew a circle with a radius of 3cm approximately how much larger is the area of
nlexa [21]

Answer:

15.7

Step-by-step explanation:

d = 2r

d = 8 thus r = 4

area (kelly) = 4 x4 x \pi = 16\pi

area (paige) =  3 x 3 x \pi = 9 \pi

difference = 16 \pi - 9 \pi = 5 \pi = 15.7

8 0
3 years ago
The number of mosquitoes at the beach has tripled every year since 1999. In 1999, there were 2,500 mosquitoes. Write a model for
In-s [12.5K]
Multiply 2,500 x 6 and you will get your answer
4 0
4 years ago
UGENT. Please help I’m so lost on this. Due within 15-20 minutes..<br><br> I’ll mark brainlylist
zhenek [66]

Answer:

Step-by-step explanation:

(y= 1/2 x 4x) answers: y intercept (0,1/2) range: ( 0 , ∞ ) , { y | y > 0 } domain: all real numbers. Asymptote: y=0. I think these are the answers for question 7, i hope this helps.

7 0
3 years ago
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