3 years ago

Please help!!! I need help!

Mathematics

1 answer:

fgiga [73]3 years ago

3 0

Answer:

sorry dont know the answer

Step-by-step explanation:

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Find the sum of the first 25 terms of the arithmetic sequence.

Marta_Voda [28]

Answer:

Step-by-step explanation:

$\frac{n}{2}*(a+l)=\frac{25}{2}*(100+220)\\\\=\frac{25}{2}*320=\frac{25*320}{2}\\\\=25*160=4000$

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4 years ago

Expanded form of 5(2m)³

-BARSIC- [3]

Answer:

$40m^{3}$

Step-by-step explanation:

Because of order of operations, you do exponent first. $(2m)^{3} =8m^{3}$ . Lastly 8 multiplied by 5 is 40, so the answer is $40m^{3}$

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3 years ago

Find the volume of a cylinder that has a radius of 7 and a height of 16. Leave your answer in terms of .

rusak2 [61]

its approximately 2463.01 cubic units

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4 years ago

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If you want to leave an 18% tip for a waiter on a $54.35 meal, what would the total bill be?

Andrei [34K]

54.35(1.18) = 64.13 total bill

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4 years ago

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A rectangular board measures 126 cm by 90 cm it can be divided into squares of equal size. Find the least number of squares the

Nat2105 [25]

A square has the same width and height, so find the gcd of 90 and 126. Here are there factors:
90:1,2,3,5,9,10,15,18,30,45,90
126:2,3,6, 7,9,14,18,21,42,63,126
18 is the largest in both so the number of squares will be
90/18 * 126/18
= 5*7 = 35

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3 years ago