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Fantom [35]
3 years ago
5

Sarah earned a grade of 80% on the math exam that had 75 problems. How many correct problems did Sara answer?​

Mathematics
1 answer:
xenn [34]3 years ago
3 0

Answer:

60

Step-by-step explanation:

80/100 times 75 and you will get 60

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A bag contains 55 coins of $1 and ¢50 denominations. Find the number of coins of each denomination, if the total amount in the b
DerKrebs [107]

Answer:

Number of $1 coins are 25 and number of 50 cent coins are 30.

Step-by-step explanation:

Let's set up the equations.

Let there are x number of $1 coins

There are y number of 50 cent coins

So, x+y =55

1 x+0.50 y =40

Solve the equations for x and y.

Solve the first equation for y.

y=55-x

Substitute y as 55-x into the second equation.

1 x+0.50(55-x)=40

Solve the equation for 'x'.

Distribute the 0.50 to get rid the ( ).

1 x+27.5-0.50 x= 40

Combine like terms

0.50 x +27.5=40

Subtract both sides 27.5

0.50 x =12.5

Divide both sides by 0.50

x=25

Now, plug in x as 25

y=55-25

y=30

So, number of $1 coins are 25 and number of 50 cent coins are 30.

3 0
3 years ago
In a scale drawing of a house, 2 inches : 5 feet. The actual kitchen of the house will be 17 feet long. How long will the drawin
pogonyaev

I think it's 5.2 feet :))))

6 0
3 years ago
How many teaspoons are in 15 milliliters? 1 tsp = 5 mL
zhannawk [14.2K]

Answer:

Milliliters to teaspoons (mL to tsp) converter, formulas and conversion table. ... 1 mL = 0.202884 tsp; 5 mL = 1.014 tsp; 10 mL = 2.028 tsp; 15 mL = 3.04

Step-by-step explanation:

hope it helps

8 0
3 years ago
Read 2 more answers
Katy is on a path, moving towards a bridge. The given table represents a function that describes Katy’s distance from the bridge
Sophie [7]

Answer:

D : Katy was 300 meters from the bridge, and it took her 6 minutes to reach the bridge.

Step-by-step explanation:

Recall that x represents the time walked

When you see the first entry on the table as: x=0, that means Katy is about to start her walk, and the value to the right which represents her distance from the bridge is 300 meters. So as her walk started she was 300 meters from the bridge.

Now look at the last entry pair at the bottom of the table: the value in the "x" column (that represents the number of minutes she walked) reads: 6, and the value to the right (next column) reads 0 (0 meters from the bridge)

This is telling us that Katy was at the bridge after 6 minutes of walk. So answer D is the correct answer representing the given table of time and distance values.

3 0
3 years ago
A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during
True [87]
Hello there!

The correct answer is D. 8.

Hope This Helps You!
Good Luck :)
4 0
3 years ago
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