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padilas [110]
3 years ago
6

Lily model car covers 250 m in 5 minutes. what is the average speed of her car?

Mathematics
1 answer:
AlekseyPX3 years ago
4 0

Answer:

50m per 1 minute

Step-by-step explanation:

250m/5 min=50/1

pls mark brainliest!! i only need one more!

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In the triangle above, the cosine of a is 0.8.What is sine of b?
Natalka [10]

Answer:

sin b = 0.8

Step-by-step explanation:

Since a and b are complementary angles , then

sin b = cos a = 0.8

5 0
3 years ago
What is the volume of the cylinder below radius 8 height 3 in pi units Answer choices: A)96pi unit^3 B)192pi unit^3 C)225pi unit
WARRIOR [948]

Hey!

The formula for finding volume of a cylinder is: π · r² · h

r = 8 \\ r^{2} = 8 \times 8 = 64

h = 3

Now multiply

\pi \times 64 \times 3 = 192\pi

<em>Your answer is B)192π units³</em>

Good luck and hope this helps! :)

7 0
3 years ago
In segment AC, the midpoint is B. If segments AC = 5x-9 and AB = 2x, what is the measure of segment AC.
IgorLugansk [536]

Answer:

The measure of segment AC is 36 units

Step-by-step explanation:

- The mid-point divides the segment into two equal parts in length

- B is the mid point of segment AC

- That means B divides segment AC into two equal parts in length

∴ AB = BC

∵ AC = 5x - 9

∵ AB = 2x

- The two parts AB and BC are equal in length

∴ BC = 2x

∵ AC = AB + BC

- Substitute the values of AB and BC in the expression of AC

∴ AC = 2x + 2x

∴ AC = 4x

∵ AC = 5x - 9

- Equate the two values of AC

∴ 5x - 9 = 4x

- Add 9 to both sides

∴ 5x = 4x + 9

- Subtract 4x from both sides

∴ x = 9

- Substitute the value of x in any expression of AC

∵ AC = 4x

∵ x = 9

∴ AC = 4(9) = 36

* The measure of segment AC is 36 units

8 0
3 years ago
A group of 3 friends spends a total of $17.25 for brunch at a restaurant before tax and tip. Everyone orders the same thing: scr
ludmilkaskok [199]

1.) 2nd answer

2.)1st answer

5 0
3 years ago
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Kilani bought a cell phone service plan that provides 300 minutes of phone use each month. Use a unit multiplier to convert 300
Juli2301 [7.4K]
300 minutes converted into hours would be 5 hours
5 0
3 years ago
Read 2 more answers
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