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umka21 [38]
3 years ago
13

Find the volume of the right prism with a cylindrical hole. Round to the nearest tenth.

Mathematics
1 answer:
sergey [27]3 years ago
7 0

Answer:

11.2

Step-by-step explanation:

First, you get the volume of the right prism by multiplying the length times the width times the height, which is 2.5 cubed. Then we subtract the volume of the cylindrical hole. We do this by doing pi times the radius squared times the height, which is pi times 0.75 squared times the height. This will yield 11.2 cubic millimeters.

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Three more than twice the sum of a number and half the number equals 105. Which equation models this relationship?
AlekseyPX

Answer:2(x+1/2x)+3=105

Step-by-step explanation: that is how i got my answer. If not a similar answer i would go with 2x+3=3x+105.

You can automatically eliminate the first answer. The second one has a random 5, so eliminated. and the last one just isn't correct.

7 0
2 years ago
A rectangular parking lot is 75 feet wide and 150 feet long. The owner wants to increase the width by 100 feet. What is the appr
Trava [24]

The <em>approximate increase</em> in Area of the parking lot is about 133%

Area of a rectangle = Length × width

<u>Initial Area of parking lot</u> :

  • 75 feets × 150 feets = 11250 ft²

<u>New Area of parking lot</u> :

Width = 75 + 100 = 175 feets

Length = 150 feets

Area = 175 × 150 = 26250 ft²

<u>Percentage increase in </u><u>Area</u><u> </u><u>of lot</u> :

((16250 - 11250) / initial Area) × 100%

(15000 / 11250) × 100% = 133.33%

Therefore, the <em>approximate increase</em> on area of lot is 133%

Learn more : brainly.com/question/18109354

5 0
3 years ago
Solve for t.<br> <br> −35=7t<br> <br> What is the answer?
Papessa [141]
<span>
−35=7t
Divide 7 on both sides
Final Answer: -5=t</span>
8 0
3 years ago
(15 POINTS!) What is the equation, in point-slope form, of the line that is parallel to the given line and passes through the po
Irina18 [472]

The four answer choices are equal and pass through the point (-3,1), which you verify replacing the variables:


y - 1 = (x + 3)


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0 = 0.


The other factor that you have to considerate is the slope.


The slope of the equation y - 1 = x + 3 is 1 (the coefficient of the x).


Given that the slopes of two parallel line are the same (equal), you need to determine the slope of the parallel line.


Once you know the slope of the parallel line, you can choose the right option.


The equation shown, y - 1 = x + 3 is the right fit if and only if the parallel line has slope 1.


7 0
3 years ago
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Kryger [21]

Answer:

Step-by-step explanation:

Given equation is 8h + 13 = 45

Where h is number of hour

So 8h=45-13

8h =32

h= 4 hour is the answer

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