2 years ago

A collection of 35 DVD movies he received eight of them has given as a gift

Mathematics

1 answer:

Mars2501 [29]2 years ago

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Answer:

Step-by-step explanation:

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A cylinder has a volume of 175 cubic units and a height of 7 units. The diameter of the cylinder is

VashaNatasha [74]

The answer is <span>10 units
</span>
The diameter of the cylinder (d) is the twice of its radius (r): d = 2r

The volume (V) of the cylinder with radius r and height h is:
V = π r² h

We have:
d = 2r
r = ?
h = 7
π = 3.14
V = 175π

175π = π * r² * 7
175 = r² * 7
r² = 175/7
r² = 25
r = √25
r = 5

d = 2r
d = 2 * 5
d = 10

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Write this number in expanded form 73,489

mart [117]

the answer is 70,000+3,000+400+80+9

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2 years ago

Use the exponent properties to simplify the following<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3x%5E3y%5E2z%7D%7B27xy%5E2

7nadin3 [17]

Step-by-step explanation:

x^2/9 z^2

hiiii checkout the steps

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2 years ago

Choose the fraction that has not been reduced to simplest form.

Thepotemich [5.8K]

first one since it’s 1/16 simplest form or 11/17 cuz it’s obv

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A wire 15 cm long is cut into two pieces. The longer piece is 3.cmidonger than the shorter piece.Find the length of the shorter

Andre45 [30]

A piece of wire is cut into two pieces. That means each part would be assigned an unknown variable. Let one part be x and the other part be y.

That means,

$x+y=15\operatorname{cm}$

If the longer part is x, and the longer part is 3cm longer than the shorter part, then we would have the following;

$\begin{gathered} x+y=15 \\ x=y+3 \\ \text{This is because x is 3cm longer,} \\ So\text{ the length of x would be y+3} \end{gathered}$

We can now refine the equation as follow;

$\begin{gathered} \text{Where;} \\ x=y+3 \\ x+y=15 \\ y+3+y=15 \\ 2y+3=15 \\ \text{Subtract 3 from both sides;} \\ 2y+3-3=15-3 \\ 2y=12 \\ \text{Divide both sides by 2;} \\ \frac{2y}{2}=\frac{12}{2} \\ y=6 \\ \text{When;} \\ x+y=15 \\ x+6=15 \\ \text{Subtract 6 from both sides;} \\ x+6-6=15-6 \\ x=9 \end{gathered}$

ANSWER:

The length of the shorter piece of wire is 6cm

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8 months ago

A collection of 35 DVD movies he received eight of them has given as a gift ​

A collection of 35 DVD movies he received eight of them has given as a gift