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Mariulka [41]
3 years ago
9

The classroom is 72 degrees F. The temperature in the room drops 11 degrees F per hour. What will the temperature be in 8 hours?

Mathematics
2 answers:
Rus_ich [418]3 years ago
7 0
Your answer would be -16
Nutka1998 [239]3 years ago
3 0

Answer:

-16

Step-by-step explanation:

72-11f

f=8    

11*8=88

72-88=-16                    

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(a) 26.8% of 67.5 is what?<br>(b) 215% of what number is 89.87?​
Alchen [17]

Part (a):

Turn percentage into a decimal.

26.8% = 0.268

Multiply.

67.5 * 0.268 = 18.09 (Answer)

Part (b):

Divide.

89.87 / 215 = 0.418

Turn into a whole number.

0.418 = 41.8 (Answer)

Turn percentage to a decimal to check.

215% = 2.15

Multiply

41.8 * 2.15 = 89.87

Hope This Helped! Good Luck!

6 0
3 years ago
Lin has picked 1 ½ cups of raspberries, which is enough for ¾ of a cake. How many cups does she need for the whole cake?
Llana [10]
Okay. So, based off of that, if you divide 1 1/2 (3/2) by 3/4, 3/2 * 4/3 is 12/6 or 2. 1/2 cups of raspberries is needed for each fourth of the cake. 1/2 * 4 = 2. Lin will need 2 cups of raspberries for the whole cake.
6 0
3 years ago
Someone tell me how to solve and the answers?
krok68 [10]
Turn 2 1/8 into an improper fraction. Multiply the denominator by the whole number and then add the numerator. 2 x 8 + 1= 17. Improper fraction is 17/8. So is 17/8 x 16/1. 16 x 17= 272. This is 272/8. Now simplify. Answer is 34
5 0
3 years ago
Shawn is playing a game with a set of cards. Half of them are blue and the other half are yellow. In the game, the player guesse
kow [346]

Answer:

No, the law of large numbers says that the proportion of yellow cards should approach the true probability after many trials.

Step-by-step explanation:

3 0
3 years ago
Solve the following:<br> a) 4x-1 / 2= x+7<br> b)<br> 3x + 2 = 2x + 13 /3
11Alexandr11 [23.1K]

Answer:

a) 2.5

b)2.33

Step-by-step explanation:

a)

4x-\frac{1}{2}= x+7

Bring the numerals to the right hand side and the x terms to the left hand side

4x-x=7+\frac{1}{2}

Simplify

3x=\frac{15}{2}

Divide 3 on both sides, to get x

x=\frac{5}{2} =2.5

b)

3x+2=2x+\frac{13}{3}

Bring the numerals to the right hand side and the x terms to the left hand side

3x-2x=\frac{13}{3}-2

Simplify

x=\frac{7}{3} =2.33

5 0
3 years ago
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