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jarptica [38.1K]
4 years ago
9

write a divison problem that has a quotient of 3 and a remiander of 28. 2nd question. mrs sliverstein sold 91 cupcakes at a food

fair the cupcakes were sold in boxes of a baker's dozen which is 13 she sold all the cupcakes at 15 per box how much money did she receive
Mathematics
2 answers:
dexar [7]4 years ago
6 0
1. 157 ÷ 43 = 3 R 28

2. Mrs. Silverstein received $105, divide 91 by 13 which is 7, them multiply 15 by the quotient, 7, and you'll get 105.
Licemer1 [7]4 years ago
3 0
1. 43
2. 7 boxes s and made $105
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Jon recently drove to visit his parents who live 270 270 miles away. On his way there his average speed was 24 24 miles per hour
Ber [7]

Answer:

He drove there at 60 mph, and he drove back at 36 mph.

Step-by-step explanation:

one way distance = d = 270 miles

average speed on way back = s

average speed on the way there = s + 24

time driving there = t

time driving back = 12 - t

average speed = distance/time

distance = speed * time

going there:

270 = (s + 24)t

270 = st + 24t

going back

270 = s(12 - t)

270 = 12s - st

We have a system of equations:

270 = st + 24t

270 = 12s - st

Solve the first equation for t.

t(s + 24) = 270

t = 270/(s + 24)

Substitute in the second equation.

270 = 12s - s[270/(s + 24)]

270 = 12s - 270s/(s + 24)

Multiply both sides by s + 24.

270s + 6480 = 12s^2 + 288s - 270s

12s^2 - 252s - 6480 = 0

Divide both sides by 12.

s^2 - 21s - 540 = 0

(s - 36)(s + 15) = 0

s = 36 or s = -15

The average speed cannot be negative, so we discard the solution s = -15.

s = 36

s + 24 = 60

Answer: He drove there at 60 mph, and he drove back at 36 mph.

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3 years ago
A model rocket is launched from the ground.
Alina [70]
A)
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rate of change from B to C = 64 -48 / 2-1 = 16 /1 = 16 ( feet per second)

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3 years ago
56 is 140% of what number
motikmotik
To find the answer, you convert the percentage to a decimal. 140% = 1.4

Then you divide 56 by 1.4

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Answer:

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Step-by-step explanation:

We use Order of Operations BPEMDAS.

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Step 2: Divide

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Step 3: Multiply

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