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3 years ago

Help me answer the question in the attached document pleaseeee

Mathematics

1 answer:

Katarina [22]3 years ago

7 0

Answer:

1. Yes

2. No

3.No

Step-by-step explanation:

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Volume of a cube is 648^3 cm Find its total surface area.

Natali [406]

Answer:

6√3

Step-by-step explanation:

V = 648•(3½) = 8•81•(3½) where the SQUARE ROOT OF 3 has been written with a fractional exponent V = s3

so s = cube root of this V.

Cube root of 8 is 2; cube root of 81 is 3•3^(1/3) and cube root of square root of 3 is 3^(1/6).

Therefore s = 2•3•3^(1/3 + 1/6) = 2•3•3½ = 6√3.

You will need to get s2 = 36•3 = 108. Finally, T.S.A. = 6 s2 = 6(108) = 648.

4 0

4 years ago

Read 2 more answers

HELP FAST I NEED ANSWER ASAP I will give brainliest A. 1/2 B. 1/3 C. 1/4 D. 1/5

suter [353]

1/3 hope this helps ive tooken the test

3 0

4 years ago

The cost of a cell phone is 3/5 of the cost of a PlayStation. Find the price of the PlayStation if the cell phone cost 25.35

Misha Larkins [42]

Answer:

42.25

explination: divide 3 by 5 = .60 then divide 25.35 by .60 and it gives you 42.25

3 0

3 years ago

I need help with this the number 1

bixtya [17]

Answer:

10 is the answer

Step-by-step explanation:

5 0

3 years ago

Y+1=2/5(x+3) in standard form?

Rzqust [24]

For this case we have that by definition, the equation of a line in the standard form is given by:

$ax + by = c$

According to the statement we have the following equation of the line:

$y + 1 = \frac {2} {5} (x + 3)$

We manipulate algebraically to write in the standard form. To do this we follow the steps below:

We apply distributive property on the right side of the equation: $y + 1 = \frac {2} {5} x + \frac {6} {5}$

We subtract $\frac {6} {5}$ on both sides of the equation:

$y + 1- \frac {6} {5} = \frac {2} {5} x\\y- \frac {1} {5} = \frac {2} {5} x$

We multiply by 5 on both sides of the equation:

$5y-1 = 2x$

We subtract 5y on both sides of the equation:

$2x-5y = -1$

Finally, the equation in its standard form is:

$2x-5y = -1$

Answer:

$2x-5y = -1$

6 0

4 years ago