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scoray [572]
3 years ago
6

Can anyone solve and explain please?

Mathematics
1 answer:
Leokris [45]3 years ago
8 0
First take the inside diameter and divide by 2 to get the radius (4cm)
Then use \pir^2 with 'r' being your radius to get the area of the base
The area is 12.7 cm
Now multiply the height by the area of the base to get the volume/ capacity!
40cm x 12.7cm (rounded to the nearest tenth) = 502.7 cubic centimeters
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A quadrilateral is shown. One pair of opposite sides have lengths of 10 inches and (x + 2) inches. The other pair of opposite si
ziro4ka [17]

Step-by-step explanation:

Yes, one pair of opposite sides could measure 10 inches. and the other pair could measure 13 inches

3 0
2 years ago
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F(x)=-3/5x+k and if f(30)=-11 what is the value of k
Kruka [31]

Answer:

k=20.

Explanation: First we find where f(x) has its local extrema: f'(x)=3x2−10x+3. The critical points are roots of the equation: 3x2−10x+3=0.

6 0
3 years ago
Mikes plumbing charges 68 for coming to your house and 17 per hour for labor if I paid him 357, how many hours, h, was mike at m
Roman55 [17]

Answer:

b. 68 + 17h = 357

f. 17 hours

Step-by-step explanation:

Charges for coming to my house = $68 (this will be the constant of the equation)

Amount charged per hour labor = $17

hours = h

Total amount paid to Mike = 357

The equation that represents this situation can be expressed as:

68 + 17h = 357

Solve for h

68 + 17h - 68 = 357 - 68 (subtraction property of equality)

17h = 289

\frac{17h}{17} = \frac{289}{17} (division property of equality)

h = 17

Mike was in my house for 17 hours.

5 0
3 years ago
Describe the process of how to find the volume of a prism but in your own words
Anton [14]

Answer:

Please check explanations

Step-by-step explanation:

Here, we want to make a description

Mathematically, a prism is a solid shape with parallel bases, separated by a particular height

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After this, we then multiply the value obtained by the height of the prism. This gives the volume of the prism

5 0
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36 boys complete a school task in 4 hours. How many boys would be required to complete the same task in 2¼ hours?​
vova2212 [387]

Answer:

20

Step-by-step explanation:

If 36 boys can conplete a task in 4 hours, then 19.35 boys could do it in 2 and a fourth hours.

You can set up an equation

A fourth of an hour is 15 minutes, so,

36 is to 4 as x is to 2.15, or,

36=4 as X=2.15

Multiply 2.15 by 36 (77.4)

77.4 divided by 4= 19.35.

Of course, you cannot have 19.35 boys, so there must be 20.

Hope this helps!

8 0
3 years ago
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