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3 years ago

11

Which expression is equal to a•a•a•a•b•b

2 answers:

Alona [7]3 years ago

8 0

A*a*a*a*b*b simplifies into a^4*b^2 or $a^{4}$ $b^{2}$

Ronch [10]3 years ago

8 0

Since there are 4 A's and 2 B's the expression would be
a^4b^2

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What is the area of the shaded region?

saveliy_v [14]

Answer:

<em>Answer is</em><em> </em><em>330</em>

Step-by-step explanation:

$area \: of \: shaded \: region \: = \pi {r}^{2} - \pi( {x}^{2} \\ here \: r = 11 \: cm \: and \: x = 4 \: cm \\ area \: of \: a \\ shaded \: regoin \: = \pi( {r}^{2} - {x}^{2} ) \\ = \pi( {11}^{2} - {4}^{2} ) \\ = \pi(121 - 16) \\ = \pi(105) \\ = \frac{22}{7} \times 105 \\ = 22 \times 15 \\ = 330 \: {cm}^{2}$

<em>AREA</em><em> </em><em>OF</em><em> </em><em>SHADED</em><em> </em><em>REGION</em><em> </em><em>=</em><em>330</em>

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3 years ago

If 12% of a number is 24 what is the number Pls Answer fast

Nadya [2.5K]

Answer:

200

Step-by-step explanation:

12% is equal to 12/100

I would set up something like

12/100= 24/x

to get from 12 to 24, you have to multiply by 2.

do the same for 100 so 100 x 2= 200

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3 years ago

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Margaret wants to cover a footrest in the shape of a rectangular prism with cotton fabric. The footrest is 18 in. 12 in. 10 in.

user100 [1]

Answer:

No, she cannot completely cover the footrest.

Step-by-step explanation:

First of all, we need to find the total surface area of the prism to be covered using the cotton cloth

the total surface area of the prism is

A = 2wl + 2lh + 2hw,

l is the length of the prism = 18 in,

w= width of the prism = 12 in,

h is the height of the prism = 10 in

hence $A = 2(12 \times 18 ) + 2(18 \times 10) + 2(10 \times 12)=1032in^{2}$

We need to convert the area of the fabric to be in the same unit as that of the prism

Area of cotton fabric = $1 yd^{2}= 1296 in ^{2}$

since the surface area of the foot rest is more than the area of fabric she has, she cannot completely cover the footrest

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3 years ago

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(Will get the brainest answer if answer is correct.)

alexandr402 [8]

The answer will be A

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3 years ago

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ivann1987 [24]

1) false

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3 years ago

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