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Darina [25.2K]
3 years ago
10

If you want to place 9 3/4 inch towel bar in the center of a door that is 27 1/2 wide, how much space will be on each side of th

e towel bar?
Mathematics
2 answers:
marysya [2.9K]3 years ago
3 0
The answer is 11 \frac{5}{6} inches

Step 1. Subtract length of the door from the width of the door:
27 \frac{1}{2} - 9 \frac{3}{4} =  \frac{55}{2} - \frac{39}{4} =\frac{110}{4} - \frac{39}{4}= \frac{71}{4}

Step 2. You want the same space to be on each side of the bar. So, divide the difference from step 1 by 2:
\frac{71}{4} : 2 = \frac{71}{4} :  \frac{2}{1} =\frac{71}{4} * \frac{1}{2}= \frac{71}{6} =  \frac{66+5}{6}= \frac{66}{6}+ \frac{5}{6}=11 \frac{5}{6}
DerKrebs [107]3 years ago
3 0

Answer:

8\frac{7}{8}    

Step-by-step explanation:

It has been given that you want to place 9\frac{3}{4} inch towel bar in the center of a door that is 27\frac{1}{2} wide.

First of all, we will find the total space left on both sides of towel bar by subtracting 9\frac{3}{4} from 27\frac{1}{2}.    

27\frac{1}{2}-9\frac{3}{4}  

\frac{27*2+1}{2}-\frac{9*4+3}{4}    

\frac{54+1}{2}-\frac{36+3}{4}

\frac{55}{2}-\frac{39}{4}

Let us have a common denominator.

\frac{55*2}{2*2}-\frac{39}{4}

\frac{110}{4}-\frac{39}{4}

\frac{110-39}{4}

\frac{71}{4}

Now, we will divide \frac{71}{4} by 2 to find the space left on each side of the towel bar.

\frac{71}{4}\div 2

\frac{71}{4}\div \frac{2}{1}

By flipping the second fraction and multiplying by 1st fraction we will get,

\frac{71}{4}\times \frac{1}{2}

\frac{71}{8}

8\frac{7}{8}

Therefore, 8\frac{7}{8} inch of space will be on each side of the towel bar.

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Round 552,945 to the place value
Lostsunrise [7]
If rounded to the nearest 100,000th it would be 600,000

if rounded to the nearest 10,000th it would be 550,000

<span>if rounded to the nearest 1,000 it would be 553,945</span>
3 0
3 years ago
Given cos ⁡ ( θ ) = 5/6 , then sin ⁡ ( θ ) = a/b .<br><br> Determine the values of a and b.
slega [8]

Answer:

a = √11 and b = 6

Step-by-step explanation:

Refer to attached picture for reference

for an right triangle with angle θ

we are given

cos θ = 5/6 = length of adjacent side / length of hypotenuse

hence

adjacent length = 5 units

hypotenuse length = 6 units

the missing side is the "opposite" length which we can find with the Pythagorean equation. in our case:

hypotenuse ² = adjacent ² + opposite²   (rearrange)

opposite ² = hypotenuse ² - adjacent ²

opposite ² = 6² - 5²

opposite = √ (6²-5²) = √11

sin θ = opposite length / hypotenuse  (substitute values above)

sin θ = √11 / 6

hence a = √11 and b = 6

3 0
3 years ago
So if I buy something for $26.98 and buy something else for $6.10 what will be the Total.​
Ratling [72]

Answer:

33.08 $

I believe we add the two together and get our total !

— hope this helped :)!

6 0
3 years ago
Please help, I need to get this done!<br>I need to get number 16, 17, and 18 done please help!!!!​
Tresset [83]

Answer:

16) 62.8 m²

17) 19.4 m²

18) 103.5 m²

Step-by-step explanation:

The formula to find area of a circle is: \pi r^{2}. To find radius, find the half of the diameter.

To solve number 16, first find the area of the unshaded circle using the formula: \pi 4^{2}. This is also 3.14*16. Multiply to get 50.24 m². Now find the area of the larger circle using the formula: \pi 6^{2}. This is also 3.14*36. Multiply to get 113.04 m². Now subtract 113.04 - 50.24 to get the shaded area or 62.8 m².

To solve number 17, first find the area of the square using the formula: side x side. In this case multiply: 5.25 x 5.25 to get 27.5625. Round to the nearest tenth to get 27.6 m². Now find the area of the circle using the formula: \pi 2.625^{2}. This is also 3.14*2.625. Multiply to get 8.2425. Round to the nearest tenth to get 8.2. Subtract 27.6 - 8.2 to get 19.4 m².

To solve number 18, find the area of one unshaded circle using the formula: \pi 1.75^{2}. This is also 3.14*3.0625. Multiply to get 9.61625. Round to the nearest tenth to get 9.6 m². Add 9.6 + 9.6 to find the area of both unshaded circles. You get 19.2 m². Now find the area of the shaded circle using the formula: \pi 6.25^{2}. This is also 3.14*39.0625. Multiply to get 122.65625. Round to the nearest tenth: 122.7. Subtract 122.7 - 19.2 to get 103.5 m².

Hope it helps and is correct!

5 0
3 years ago
A store brought 9 cases of light bulbs in May and 8 cases in June. There are 48 light bulbs in a case. How many light bulbs did
UkoKoshka [18]
So the store bought 9 cases of lightbulbs and in a case, there are 48.
9 * 48 = the number of lightbulbs in the nine cases. 432 is the number of light bulbs in the 9 cases they bought in May. So then let's move on to the cases they bought in June. Do the same thing 8 * 48 is 384. So then add the two amounts together and then you will get 816 which will be your answer. I hope this helps!
5 0
3 years ago
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