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Anni [7]
1 year ago
8

Somebody explain pls!!!!!

Mathematics
1 answer:
Furkat [3]1 year ago
5 0

Step-by-step explanation:

Using log properties

log_{7}(rz {}^{12} )

log_{7}(r)  +  log_{7}(z {}^{12} )

Then

log_{7}(r)  + 12 log_{7}(z)

Plug in the knowns

- 7.87 + 12( - 12.59)

- 158.95

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Type the correct answer in the box. Assume that pi=3.14 and round your answer to the nearest integer.
stepan [7]

Answer:

648\ yd

Step-by-step explanation:

step 1

Find the circumference of the complete circle

The circumference is equal to

C=2\pi r

we have

r=35\ yd

substitute

C=2\pi(35)

C=70\pi\ yd

step 2

Find the measure of the arc length for a central angle of 280 degrees

Remember that the circumference subtends a central angle of 360 degrees

so by proportion

\frac{70\pi}{360}=\frac{x}{280}\\ \\x=280*(70\pi )/360\\ \\x=54.44\pi\ yd

step 3

Find the perimeter of the playground

P=54.44\pi+45=54.44*3.14+45=215.96\ yd

Multiply by 3

215.96*(3)=647.87\ yd

Round to the nearest integer

647.87=648\ yd

7 0
3 years ago
Read 2 more answers
188,888*1000 ???????<br><br><br><br> really need help!!!!!!!!!!!!!!!!!!!!!!!
d1i1m1o1n [39]
<h3>The answer is :-</h3>

188,888,000

<h3>Explanation :- </h3>

We have to multiply 188,888 by 1000

so just add the zeros after 188,888

6 0
2 years ago
Answer asap please!!
skad [1K]
Answer is B. 11. The square root is roughly 10.5, so you round up and get 11
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3 years ago
Totsakan spent $36.54 on envelopes. If they cost 4.06/box how many boxes did her buy?
Ivahew [28]
9 because you divide 36.54 by 4.06 i’m pretty sure
4 0
3 years ago
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The area of a circle is 9πft^2. What is the circumference in feet?
Sholpan [36]

Answer:

98

Step-by-step explanation:

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