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zzz [600]
3 years ago
13

Volume of a sphere, either enter an exact answer in terms of pi or use 22/9 for pi

Mathematics
1 answer:
Alja [10]3 years ago
7 0
22/9 because if you need a number
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The face of a triangular shaped guitar has an area of 52 in.² and a height of 13 inches. Write an equation to find the length of
Neko [114]
Area of a triangle can be calculated as:

Area = 0.5 x Base x Height

Area is given to be 52 in²
Height is 13 inches.
We are to find the base b of the triangular shaped guitar.

Using the values in above formula, we get:

52=0.5(13)(b) \\  \\ 
b= \frac{52}{0.5(13)} \\  \\ 
b=8

Thus the base of triangular shaped guitar will be 8 inches. 
5 0
3 years ago
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Harold earns $10.50 per hour working at a doctor's office. On Monday he spent 1 5/12 hours filing paperwork, 1 3/4 sending email
Lana71 [14]

Answer:

the total earnings is $58

Step-by-step explanation:

The computation of earnings is shown below:

= Time spent in filling paperwork + time spent in sending emails + time spent in making appointments

= (1 5 ÷ 12 × $10.50)  + (1 3 ÷ 4 × $10.50)  + (2 1 ÷ 3 × $10.50)

= 14.875 + 18.375 + 24.50

= $57.75

Hence, the total earnings is $58

The same is to be considered

6 0
2 years ago
Solve <br> 3x – y + 2z = 6<br> -x + y = 2 <br> x – 2z = -5
posledela

Answer:

Step-by-step explanation:

3x – y + 2z = 6 - - - - - - - - - 1

-x + y = 2 - - - - - - - - - - - - -2

x – 2z = -5 - - - - - - - - - - - -3

From equation 2, x = y - 2

From equation 3, x = 2z - 5

Substituting x = y - 2 and x = 2z - 5 into equation 1, it becomes

3(y - 2) – y + 2z = 6

3y - 6 - y + 2z = 6

3y - y + 2z = 6 + 6

2y + 2z = 12 - - - - - - - - - 4

3(2z - 5) – y + 2z = 6

6z - 15 - y + 2z = 6

- y + 6z + 2z = 6 + 15

- y + 8z = 21 - - - - - - - - - - 5

Multiplying equation 4 by 1 and equation 5 by 2, it becomes

2y + 2z = 12

- 2y + 16z = 42

Adding both equations

18z = 54

z = 54/18 = 3

Substituting z = 3 into equation 5, it becomes

- y + 8×3 = 21

- y + 24 = 21

- y = 21 - 24 = - 3

y = 3

Substituting y = 3 into equation 2, it becomes

-x + 3 = 2

- x = 2 - 3 = -1

x = 1

3 0
2 years ago
HELPPPP MEZZZZZZZZZZZZ
Marizza181 [45]
You would have $2.60
3 0
3 years ago
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What is 8/20 in decimal form?
IgorC [24]
8/20 in decimal form is
0.4
4 0
3 years ago
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