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kramer
3 years ago
14

Question 3 of 10

Mathematics
1 answer:
ella [17]3 years ago
3 0

Answer:

D

Step-by-step explanation:

The volume (V) of a sphere is calculated as

V = \frac{4}{3}πr³ ( r is the radius ), thus

V = \frac{4}{3}π × 5³

   = \frac{4}{3}π × 125 = \frac{4(125)}{3}π =  \frac{500}{3}π units³ → D

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A jet moving at constant speed traveled 6,600 km in 3 hours. What was the speed of the jet?
DanielleElmas [232]

Answer:

The speed of the jet is 2,200\frac{km}{h}

Step-by-step explanation:

The speed traveled by the jet can be found using the relationship between distance and time. Because the problem gives the values for distance and time, they must be replaced in the equation and in this way the requested speed will be found.

1. Write the general equation for the speed:

Speed=\frac{Distance}{Time}

2. Replace the values of distance and time on the general equation for the speed and make the mathematical operations:

Speed=\frac{6,600km}{3hours}

Speed=2,200\frac{km}{h}

Therefore the speed of the jet is 2,200\frac{km}{h}

3 0
3 years ago
Read 2 more answers
PLZ HELP What is the best approximation of the solution to the system to the nearest integer values? (2, 3) (1, 3) (3, 4) (3, 2)
Kruka [31]

Answer:

  (2, 3)

Step-by-step explanation:

The point with integer coordinates nearest the solution point seems to be (2, 3).

8 0
3 years ago
Read 2 more answers
Any help I would really appreciate it
DanielleElmas [232]

Answer:

C and D

Step-by-step explanation:

You can tell if equations have no solution if the variables on both sides of the equation are the same.

Choice C is 10+6x=15+9x-3x. You would combine 9x and -3x, turning the equation into 10+6x=15+6x. Since there is a 6x on both sides, Choice C would have no solution.

The same for Choice D. When you simplify everything there is a 3x on both sides, so it would have no solution.

5 0
3 years ago
To the nearest tenth, which is the perimeter of ABC. Geometry
qwelly [4]

Answer:

23.6

Step-by-step explanation:

<u><em>Finding AC:</em></u>

Cos 61 = \frac{adjacent}{hypotenuse}

0.48 × 10 = Adjacent

AC = 4.8

<u><em>Now, CB:</em></u>

Cos 29 = \frac{adjacent}{hypotenuse}

0.87 × 10 = CB

CB = 8.8

<u><em>The perimeter:</em></u>

=> 10+4.8+8.8

=> 23.6

3 0
3 years ago
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Help plz I really need help could you show your work if you do it plz.
Vika [28.1K]
What do you need help with?
7 0
3 years ago
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