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andrezito [222]
2 years ago
9

A merry-go- round spins at a rate of 3 miles in 5 minutes.

Mathematics
1 answer:
Sidana [21]2 years ago
4 0
36 miles an hour
3miles/5min to x/60min multiply top and bottom by 12 and you get 36miles/60min
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Please hurry..........
Montano1993 [528]

Answer:

I think the answer is C

Step-by-step explanation:

5 0
3 years ago
6. In right triangle ABC, mZC=3y-10,
lorasvet [3.4K]

Answer:

scalene

Step-by-step explanation:

step 1

Find the value of y

we know that

The sum of the interior angles in a triangle must be equal to 180 degrees

In this problem

m∠A+m∠B+m∠C=180°

substitute the given values

90\°+(y+40)\°+(3y-10)\°=180\°

Solve for y

4y+120=180

4y=180-120

4y=60

y=15

step 2

<em>Find the measure of angle B</em>

m∠B=(y+40)°

substitute the value of y

m∠B=(15+40)=55°

step 3

<em>Find the measure of angle C</em>

m∠C=(3y-10)°

substitute the value of y

m∠C=(3(15)-10)=35°

The three interior angles are different

so

The three sides of the ABC triangle will also be different

therefore

The right triangle ABC is scalene

6 0
3 years ago
Janet bought a book for $19.95, and the tax was 6.25%. including tax how much did she pay round to nearest cent​
drek231 [11]

Answer:$21.2

Step-by-step explanation:

multiply 19.25*6.25 then divide by 100 then add that answer onto 19.25 to then get an estimate of 21.2 dollars

3 0
3 years ago
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d1i1m1o1n [39]

Answer:

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Step-by-step explanation:

-15x² – 21x + 18

-3(5x² + 7x - 6)

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-3[5x(x + 2) - 3(x + 2)]

-3(x + 2)(5x - 3)

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3 years ago
Is 66,369,027 divisible by 4?
larisa86 [58]

Answer: no because you get a decimal

Step-by-step explanation:

6 0
3 years ago
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