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3 years ago

Round each number to the place of the underlined digit.

Mathematics

1 answer:

miv72 [106K]3 years ago

8 0

9514 1404 393

Answer:

11) 14

12) 390

13) 0.5

14) 497

15) 496

16) 1857.21

Step-by-step explanation:

If the digit to the immediate right of the underlined digit is 5 or greater, then the underlined digit is increased by 1 (carrying to higher digits, if necessary). Digits to the right of the underline digit are dropped, or replaced with zero (if they are left of the decimal point).

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Find the volume of a pyramid with a square base, where the side length of the base is

valina [46]

Answer:

Volume = 1114.1 $in^3$

Step-by-step explanation:

Recall that the formula for the volume of a pyramid is given by:

$Volume=\frac{1}{3} \,B\,*\,H$

where B is the area of the pyramid's base (in our case a square of side 12,8 in), and H the pyramid's height (in our case 20.4 in).

Then the square base of the pyramid has an area given by: $(12.8\,\,in)^2=163.84\,\,in^2$

Finally,we can now write the volume of the pyramid as:

$Volume=\frac{1}{3} \,B\,*\,H\\Volume=\frac{1}{3} \,(163.84)\,*\,20.4\,\,in^3\\Volume=1114.112\,\,in^3$

Rounding the answer to a tenth of a cubic inch, we get:

Volume = 1114.1 $in^3$

7 0

3 years ago

What is the surface area of the cylinder with height 5 mi and radius 6 mi? Round your answer to the nearest thousandth.

Delicious77 [7]

Step-by-step explanation:

Given

h = 5 mi

r = 6 mi

Surface Area of Cylinder =

$2\pi \: rh + 2\pi {r}^{2} \\ = 2\pi(6)(5) + 2\pi ({6}^{2}) \\ = 2\pi(30) + 2\pi(36) \\ = 60\pi + 72\pi \\ = 132\pi \\ = 414.690 {mi}^{2} (nearest \: thousandth)$

5 0

3 years ago

Read 2 more answers

CAN SOMEBODY SOLVE THIS AND GIVE ME A STEP-BY-STEP?<br> -40 = -5p

andrey2020 [161]

Answer:

p = 8

Step-by-step explanation:

-5p = -40 so 40/5 = 8

8 0

3 years ago

What is the height of a rectangular prism that has a volume of 192 cubic feet and a base with an area of 48 square feet? Explain

Harman [31]

The formula for volume is length × width × height, so this is the same as area of cross section × height. So, if the base of the rectangular prism (the cross section) has an area of 48 square feet, then 48 × the height = 192 cubic feet. Working backwards, we can find out the height (h will stand for height):
48×h=192
h=192÷48
h=4
Therefore, the height of the rectangular prism is 4 feet

6 0

4 years ago

6834/17 please show your work

Sunny_sXe [5.5K]

Answer:

6834 / 17 = 402

Step-by-step explanation:

• sorry i d k, I just got the ans on calculator

3 0

2 years ago