3 years ago

Can you please help me with this and thank you

Mathematics

1 answer:

LenKa [72]3 years ago

7 0

Answer:

I think the answer is A) 22yd^

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Sean used candle molds, as shown below, to make candles that were perfect cylinders and spheres:

abruzzese [7]

56.52 in^3

V(cylinder) = pi * r^2 * h
V = pi * 3^2 ^ 6
V = pi * 9 * 6
V = 54pi

V(sphere) = (4/3) * pi * r^3
V = (4/3) * pi * 3^3
V = (4/3) * pi * 27
V = 36pi

54pi - 36pi = 18 pi
18 * 3.14 = 56.52

4 0

3 years ago

PLEASE HELP FAST simplify: sqrt 8 + 2 sqrt 15

Ket [755]

Answer:

2 $\sqrt{2}$ + 2 $\sqrt{15}$

Step-by-step explanation:

$\sqrt{8}$ = $\sqrt{4}$ $\sqrt{2}$ = 2 $\sqrt{2}$

7 0

3 years ago

Solve this please show your work <3

Nookie1986 [14]

Given:

The expression is

$\sqrt[3]{48}=\sqrt[3]{8\cdot \_\_}=$

To find:

The simplified form of the expression.

Solution:

We have,

$\sqrt[3]{48}=\sqrt[3]{8\cdot \_\_}=$

The expression $\sqrt[3]{48}$ can be written as

$\sqrt[3]{48}=\sqrt[3]{8\cdot 6}$

$\sqrt[3]{48}=\sqrt[3]{8}\cdot \sqrt[3]{6}$ $[\because \sqrt[3]{ab}=\sqrt[3]{a}\sqrt[3]{b}]$

$\sqrt[3]{48}=2\cdot \sqrt[3]{6}$

$\sqrt[3]{48}=2\sqrt[3]{6}$

Therefore, $\sqrt[3]{48}=\sqrt[3]{8\cdot 6}=2\sqrt[3]{6}$ .

5 0

3 years ago

The larger of two numbers is 5 less that twice the smaller if their sum is 70, find the numbers

Vikentia [17]

Let the number be x and 2x-5 from the above given condition

x+2x-5=70

3x=75 s0 x=25

Hence, the number are 25 and 45

6 0

4 years ago

6 is 25% of what number?

Vsevolod [243]

24 cause 25% is basically 1/4 so its 4 times 6 so its 24

4 0

4 years ago