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masya89 [10]
3 years ago
10

Work out (-19.125)÷8.5

Mathematics
2 answers:
Olegator [25]3 years ago
7 0
The answer would be -2.25
o-na [289]3 years ago
4 0
-2.26 is the answer I got when I used my calculator.
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WILL MARK BRAINLIEST!!! PLEASE ANSWER!!! WRONG ANSWERS JUST FOR POINTS WILL BE REPORTED!!!!!!!!!!!!!! 100 POINTSSSSSSSSSSSSSSSSS
denis-greek [22]

Answer:

4.1 in

Step-by-step explanation:

V=\pi r^{2}

751=\pi r^{2}(10.7) now we multiply pi and 10.71- i left it in the hundreths

place when i get my final answer ill round it to the tenths)

751=33.62r^{2},  we need the r^{2} alone so we now dive with 33. 62 on both sides, elimenating the 33.62. Now 751/ 33.62= 16.98.

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\sqrt{16.98} = 4.12 which rounded is 4.1

4 0
3 years ago
Read 2 more answers
Consider the following geometric series.
podryga [215]

Answer:

a) -8/9

b) The series is a convergent series

c) 1/17

Step-by-step explanation:

The series a+ar+ar²+ar³⋯ =∑ar^(n−1) is called a geometric series, and r is called the common ratio.

If −1<r<1, the geometric series is convergent and its sum is expressed as ∑ar^(n−1) = a/1-r

a is the first tern of the series.

a) Rewriting the series ∑(-8)^(n−1)/9^n given in the form ∑ar^(n−1) we have;

∑(-8)^(n−1)/9^n

= ∑(-8)^(n−1)/9•(9)^n-1

= ∑1/9 • (-8/9)^(n−1)

From the series gotten, it can be seen in comparison that a = 1/9 and r = -8/9

The common ratio r = -8/9

b) Remember that for the series to be convergent, -1<r<1 i.e r must be less than 1 and since our common ratio which is -8/9 is less than 1, this implies that the series is convergent.

c) Since the sun of the series tends to infinity, we will use the formula for finding the sum to infinity of a geometric series.

S∞ = a/1-r

Given a = 1/9 and r = -8/9

S∞ = (1/9)/1-(-8/9)

S∞ = (1/9)/1+8/9

S∞ = (1/9)/17/9

S∞ = 1/9×9/17

S∞ = 1/17

The sum of the geometric series is 1/17

8 0
3 years ago
Michelle says that 4,902 x 0.001 is the same as 4,902 ÷ 10³
Tcecarenko [31]

Answer:

Michelle is correct.

Step-by-step explanation:

The statement Michelle said is valid and correct since 10 to the power of 3 in the denominator is equivalent to 0.001 in the numerator.

Dividing by 1,000 is the same as multiplying by 0.001.

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3 years ago
What is the average rate of change of f(X)=-6(2)^x from x=-1 to x=2
ololo11 [35]
Ok done. Thank to me:>

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3 years ago
How much gold foil did it take to cover the trophy, including the bottom?
Eduardwww [97]

Answer:

396

Step-by-step explanation:

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90x4= 360

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3 years ago
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