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3 years ago

66×10^4 in standard notation

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

8 0

660000, just add 4 zeros onto 66.

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Find the area of the regular polygon

11Alexandr11 [23.1K]

Answer:

AREA OF THE POLYGON

$7 \times \frac{1}{2} \times 4 \times 4.2 \\ 58.8 {inch}^{2}$

4 0

3 years ago

HELP:

densk [106]

First, you would divide $5.28 by 3 and get $1.76
Second, you would multiply $1.76 by 10 and get $17.60.
Your answer would be $17.60.

8 0

4 years ago

For the sequence given by a_n=2n+4 , answer the following:

artcher [175]

a. 6, 8, 10, 12, 14

Work:

a_1 = 2(1) + 4

a_1 = 6

a_2 = 2(2) + 4

a_2 = 8

a_3 = 2(3) + 4

a_3 = 10

a_4 = 2(4) + 4

a_4 = 12

a_5 = 2(5) + 4

a_5 = 14

b. 500

Work:

Since the common difference is 2, we can add 2 to each number until we reach the 20th term.

6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 24 + 26 + 28 + 30 + 32 + 34 + 36 + 38 + 40 + 42 + 44 = 500

7 0

4 years ago

Read 2 more answers

Write equation!! twice the difference of a number and seven equals five

tino4ka555 [31]

Answer:

Its either 2(A+7=5) or 2(A+7) =5

3 0

3 years ago

What is x, if the volume of the cylinder is 768pi rcm3?

AVprozaik [17]

let's recall Cavalieri's Principle, solids with equal altitudes and cross-sectional areas at each height have the same volume, so even though this cylinder is slanted with a height = x and a radius = 8, the cross-sectional areas from the bottom to top are the same thickness and thus the same area, so its volume will be the same as a cylinder with the same height and radius that is not slanted.

$\bf \textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\ \cline{1-1} r=8\\ h=x\\ V=768\pi \end{cases}\implies 768\pi =\pi (8)^2(x)\implies 768\pi =64\pi x \\\\\\ \cfrac{768\pi }{64\pi }=x\implies 12=x$

5 0

3 years ago