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stellarik [79]
3 years ago
13

Forty more than the product of 2 and a number is twelve. What is the number?

Mathematics
1 answer:
posledela3 years ago
3 0

Answer:

Logically, the answer is either 12 or 42

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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

6 0
3 years ago
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Alecsey [184]

Answer:

A

Step-by-step explanation:

y is -6 = y-6

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5 0
3 years ago
If Jeremy is in the 90th percentile in the main office test scores is 180 with a standard deviation of 15 which of the following
Alika [10]
199. 

the z score for the 90th percentile is 1.28, so you can solve the equation

\frac{x-180}{15} = 1.28

which gets you the 199
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What is an equvilent fraction for 7x plus 4x plus 3 minus 1
vredina [299]
6x plus 3x plus 4 minus 2
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2 years ago
What is the volume of the prism?<br><br> --- m3
Pachacha [2.7K]

Answer:

672

Step-by-step explanation:

Formula is length times width times height

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112 x 6 = 672

7 0
3 years ago
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