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3 years ago

Paul needs to find 310% of 72. Which expression should he use

Mathematics

1 answer:

Nataliya [291]3 years ago

3 0

Answer:

3.10 * 72

Step-by-step explanation:

To find 310% of 72

Of means multiply and is means equal

310% * 72 = answer

Change to decimal form

3.10 * 72 = answer

223.20

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2 years ago

I need help SHOW YOUR WORK

earnstyle [38]

Answer:

$F)\displaystyle \: 100\pi{ x}^{8} {y}^{2} {z}^{ 6}$

Step-by-step explanation:

we are given r and the formula

we want to find the surface area of the shpare with the given r

to do so

we need our algebra skills

substitute the value of r:

$\displaystyle \: S = 4\pi( {5x}^{4} y {z}^{ 3} {)}^{2}$

recall law of exponent

$\displaystyle \: ({x}^{m} {)}^{n} \iff \: {x}^{mn}$

to simplify:

$\displaystyle \: S = 4\pi({ {5}^{2} x}^{4 \times 2} {y}^{1 \times 2} {z}^{ 3 \times 2} )$

simplify multiplication:

$\displaystyle \: S = 4\pi({ 25x}^{8} {y}^{2} {z}^{ 6} )$

distribute:

$\displaystyle \: S = 100\pi{ x}^{8} {y}^{2} {z}^{ 6}$

hence our answer is F

5 0

2 years ago

¿Cuál es el área de la figura de abajo?<br> 10 cm por 4cm

AVprozaik [17]

Answer:

40 cm

Step-by-step explanation:

10x4= 40

4 0

2 years ago

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The radius of a semi-circle measures 5<br> units. Find its area.

shutvik [7]

Answer:

≈39.27 units

Step-by-step explanation:

To find the area of a semi circle, you use the formula for finding the area of a circle, which is $\pi$ $r^{2}$ , and then you divide that by 2 since it is half of a circle.

In this case, $\pi$ $(5)^{2}$ ≈ 78.54

$\frac{78.54}{2}$ = 39.27

8 0

3 years ago

Please help me ): I'm in desperate need of help I'm still in Middle School and I'm so confused I don't want to get a bad grade )

lutik1710 [3]

Answer:

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8 0

3 years ago

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