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V125BC [204]
2 years ago
10

A computer’s hard disk is spinning at 75 revolutions per second. How many degrees does it travel in a second? in a minute?

Mathematics
1 answer:
Lady_Fox [76]2 years ago
3 0

Answer:

27000 degrees

Step-by-step explanation:

a circle is 360 degrees if it spun 75 times then it would be 75 x 360 which is equal to 27000

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Which of the following numbers must be added to complete the square in the
Butoxors [25]

Answer:

C

Step-by-step explanation:

Take the coefficient of the linear term and divide it by 2

9/2

Then square it 81/4

That should either be added to the 11 or subtracted from the 15.

The answer is C

8 0
3 years ago
Solve the system of equations.<br> 2x + 7y = 3<br> x= -4y
I am Lyosha [343]

Answer:

(12, -3)

Step-by-step explanation:

You can solve it algebraically or graphically. Graphically you find the intersection point. Algebraically with substitution/elimination.

5 0
2 years ago
on the coordinate plane, what is the length of the line segment that connects points at (5, 4) and (−3, −1) ? Enter your answer
gtnhenbr [62]
Distance between points
D=\sqrt{(y2-y2)^2+(x2-x1)^2}
<span>
points are (5, 4) and (−3, −1)
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D=√(-1-4)^2+(-3-5)^2
D=√25+64
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5 0
3 years ago
A woman has two boxes of matches.she uses five matches and has 75 matches left.how many matches were in each box?
Delicious77 [7]

Answer:

40

Step-by-step explanation:

So if you add 5 to 75 you get 80 so that means there were 80 matches all then you divide 80 by 2 and voila 40!

Hoped this helped

P.s. Can I get a happy bday my bday is tmmr

8 0
2 years ago
A bottle contains 255 coins. 1/3 of the coins are ?1.00. 110 of the coins are 50p coins. the rest are 20p coins. work out the to
aliina [53]

Answer:

£152.

Step-by-step explanation:

We have been given that a bottle contains 255 coins. 1/3 of the coins are  £1.00.

Let us find 1/3 of 255 to find the number of £1 coins.

\£1\text{ coins}=\frac{1}{3}\times 255

\£1\text{ coins}=85

This means we have £85.

We are also told that 110 of the coins are 50 p coins.

\text{Value of 50 p coins}=\£0.50\times 110

\text{Value of 50 p coins}=\£55

Let us figure out number of 20 p coins by subtracting the number of £1 coins and 50 p coins from 255.

\text{Number of 20 p coins}=255-(85+110)

\text{Number of 20 p coins}=255-(195)

\text{Number of 20 p coins}=60

\text{Value of 20 p coins}=\£0.20\times 60

\text{Value of 20 p coins}=\£12

Now let us find total value of the coins contained in the bottle by adding the values of £1 coins, 50 p coins and 20 p coins.

\text{The total value of the coins}=\£85+\£55+\£12

\text{The total value of the coins}=\£152

Therefore, the total value of the coins contained in the bottle is £152.

4 0
3 years ago
Read 2 more answers
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