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Oksi-84 [34.3K]
3 years ago
13

The school store sells markers for $0.35 each and pencils for $0.15

Mathematics
1 answer:
Reil [10]3 years ago
8 0
4 markers and 9 pencils
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125,600 surface area converted to volume?
Illusion [34]

Answer:

1256000

Step-by-step explanation:

My example:

Find the radius of the sphere by substituting 4.5? ft^3 for V in the formula in Step 1 to get: V=4.5? cubic feet.= (4/3)?(r^3)

Multiply each side of the equation by 3 and the equation becomes: 13.5 ? cubic feet =4?(r^3)

Divide both sides of the equation by 4? in Step 4 to solve for the radius of the sphere. To get: (13.5? cubic feet)/(4?) =(4? )(r^3)/ (4?), which then becomes: 3.38 cubic feet= (r^3)

Use the calculator to find the cubic root of 3.38 and subsequently the value of the radius “r” in feet. Find the function key designated for cubic roots, press this key and then enter the value 3.38. You find that the radius is 1.50 ft. You can also use an online calculator for this calculation (see the Resources).

Substitute 1.50 ft. in the formula for SA= 4?(r^2) found in Step 1. To find: SA = 4?(1.50^2) = 4?(1.50X1.50) is equal to 9? square ft.

Substituting the value for pi= ?= 3.14 in the answer 9? square ft., you find that the surface area is 28.26 square ft. To solve these types of problems, you need to know the formulas for both surface area and volume.

8 0
3 years ago
77 million to 200.2 million
Aleonysh [2.5K]
200.2 million?????????
6 0
3 years ago
Find the area?????????
Kazeer [188]
Area of a semi circle = pi * radius^2 / 2
3.14 * 5^2 / 2
3.14 * 25 / 2
78.5 / 2
39.5

Area of a rectangle = length * width
16 * 10
160

Add both of the areas
39.5 + 160
C. 199.5
6 0
3 years ago
Which of the following correctly lists angle pairs that have sums of 180° and 90°?
Kisachek [45]

C.) supplementary angles, complementary angles

Step-by-step explanation:

Look at the picture below.

A supplementary angle(s) has a total sum of 180°

A complimentary angle(s) has a total sum of 90°

Other angles like congruent, only refer to an angle that is exactly the same.

Therefore, C would be the correct answer.

5 0
2 years ago
5(4-6)<br> Please help me
nikitadnepr [17]
-10 is the answer for this
6 0
2 years ago
Read 2 more answers
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