Andrew has a new 3 ft wide bookcase with two shelves, each 15 in. in high. he plans to store his CD’s on the shelves, using new CD racks. Each CD rack is 17 in. wide and 7 in. high, and holds three stacks of 12 CDsWill Andrew have enough room for his 250 CD’s in the bookcase if he uses the two shelves inside the book case it doesn’t put any CDs on top of it? how many CDs will he be able to store?

Answers

Answer 1

Answer:

Answer: He will not have enough room

Step-by-step explanation: To determine if Andrew has enough room for his 250 CDs on the two shelves inside the bookcase, we need to calculate how many CD racks can fit on each shelf and how many CDs each of these racks can hold.

The bookcase is 3 ft wide, which is equivalent to 36 inches. Each shelf is 15 inches high. Therefore, the available space for CD racks on each shelf is 36 inches in width and 15 inches in height.

Each CD rack is 17 inches wide and 7 inches high. To calculate how many racks can fit on each shelf, we can use the following formula:

Number of racks on a shelf = (Width of shelf) / (Width of CD rack)

Number of racks on a shelf = 36 inches / 17 inches ≈ 2.12 (round down to 2, as you can't have a fraction of a rack)

Now, let's calculate how many CDs each of these racks can hold. Each CD rack can hold three stacks of 12 CDs each, for a total of 3 x 12 = 36 CDs.

So, on each shelf, Andrew can fit 2 CD racks, and each rack can hold 36 CDs. Therefore, each shelf can store 2 x 36 = 72 CDs.

Since Andrew has two shelves, he can store a total of 2 x 72 = 144 CDs in the bookcase.

So, he will be able to store 144 CDs in the bookcase, which is less than his 250 CDs. Therefore, he won't have enough room for all his 250 CDs in the bookcase, and he will need additional storage for the remaining CDs.

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Jana is prescribed 250 mg of medication. Seventy-five percent of the medication remains in her body after each hour, h, according to the equation mc019-1.jpg. Six hours later, Allison is prescribed the same medication. The medication remains in Allison’s body according to the equation mc019-2.jpg. At any time after she has taken the medication, Allison has how many times more milligrams of medication in her body?I'll edit the question in just a minute so the formulas are in it

Answers

Jana was prescribed medication. m = 250(0.75)^h

6 hours after Jana took her medication, Allison was prescribed the same.
m=250(0.75)^(h-6)

At any time after she has taken the medication, Allison has how many times more milligrams of medication in her body?

Same with Jana, Allison's medication content in her body will decrease by 25% after each hour.

Let h = 6

Jana: m = 250(0.75)^6 = 250(0.178) = 44.50
Allison: m = 250(0.75)^6-6 = 250(1) = 250

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On hour 6, Allison will have 205.5 mg more of the medicine than Jana.

Rewrite using a negative exponent.

5/x^2

Answers

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Jim has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?. A. 87 . B. 95 . C. 85 . D. 92

Answers

An average for the four tests:
Avg = ( 84 + 65 + 76 + x ) / 4
80 = ( 84 + 65 + 76 + x ) / 4 /* 4 ( multiple both sides of the equation by 4 )
320 = 225 + x
x = 320 - 225
x = 95
Answer:
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.(1 pt)
A store sold 330 yards of fabric. It charged $11 a yard.

What is the total cost of the fabric?

Answers

3630$ I just multiplied 330 by 11

Hey there

So 330/11=30
so the total cost is 30 $

Evaluate the expression. 4! x 3!

Answers

The value of the product of the given factorial 4!•3! is 144.

We have given that the 4! x 3!.

we have to determine the value of the above expression.

What is the value of the n!?

n!=1×2×3×4.......×n.

We have to determine the value of 4!

4!=4×3×2×1=24

also the value of the 3!,

3!=3×2×1=6

Therefore the value of

4!•3!= 24×6=144

Therefore the value of the 4!•3! is 144.

To learn more about the factorial visit:

brainly.com/question/2279140

#SPJ2

Answer:

144

Step-by-step explanation:

4!•3!= 144

(I used calculator)

If m<1=140, what is m<3

Answers

m < 1 = 140
m < 2 = 40

m < 2 + 90 + m < 3 = 180..(total of angles in a triangle are 180)
40 + 90 + <3 = 180
130 + <3 = 180
m < 3 = 180 - 130
m < 3 = 50

I assure you the answer is 50!

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