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stiv31 [10]
2 years ago
9

Please help!! (math)

Mathematics
1 answer:
olga55 [171]2 years ago
7 0

Bro answer.

Step-by-step explanation:

This is the step of doing this so write this in class 10 we do like this ok

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Assuming that a soap bubble is a perfect sphere, what is the diameter of a bubble containing 1,000 cm3 of air? Round to the near
Minchanka [31]

Answer:

17.85 cm

Step-by-step explanation:

1) Area of a sphere formula: A=4\pi r^{2}

2) Plug in A: 1000 = 4\pi r^{2}

3) Simplify: 1000 = 12.56r^{2}

4) Divide Each Side By 12.56: 79.61783439 = r^{2}

5) Take the Square Root of 79.61783439 to Solve for r: 8.922882628 = r

6) Double r to get the diameter: 8.922882628*2= 17.84576486

7) Round to the Nearest Tenth: 17.85 cm

8 0
3 years ago
Jose can read 7 pages of his book in 5 minutes.At this rate, how long will it take him to read the entire 175 page book
Naily [24]

\dfrac{175 \textrm{ pages}}{ \frac{7 \textrm{ pages}}{5 \textrm{ minutes}}} = 125 \textrm{ minutes}

Answer: 125 minutes


8 0
3 years ago
The ratio of pencil to rulers is 6:10. the are 21 pencils. how many rulers are there
Reika [66]

There would be 35 rulers.

In order to solve this, use cross multiplication.

6/10 = 21/x -----> cross multiply

10*21 = 6*x

210 = 6x

35 = x

8 0
3 years ago
Determine the period
aleksandrvk [35]

Answer:

16 units

Step-by-step explanation:

period = length of an interval that contains exactly one copy of the repeating pattern, so from one peak to another peak.

in this graph its the peaks are 1 and 17, hence the period is 16

6 0
2 years ago
Could I get some help PLEASE!!
kati45 [8]
Not similar, since the ratio of corespondent side is not constant
suppose ∆PRQ ~ ∆MRN, then RN/RP = RM/RQ but the reality contradict
4 0
3 years ago
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