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seraphim [82]
4 years ago
12

Find the unit rate. Enter your answer as a mixed number.

Mathematics
1 answer:
tatiyna4 years ago
5 0

Answer:

(3/4 ft^2) / (1/2 hr) = 3/2 ft^2/hr

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Jenny washed dishes 4 times as many as her brother last month. Her brother washed dishes 8 times. Jenny said she could multiply
Julli [10]

Jenny is incorrect in her calculation.

For every time that Jenny's brother washed dishes, Jenny washed dishes 4 times. This tells that the the times they washed dishes occur in the ratio 4 :1. If Jenny's brother washed dishes 8 times, Jenny has to have washed dishes 4\times 8=32 times. The way Jenny's is doing the calculation implies that his brother washed dishes 3*\times 8 =24 times. He calculation yields a wrong result.

7 0
3 years ago
Pleaseeeeeeeeeeeee helppppppppppppppppp
Fittoniya [83]
You really just have to do 12.4 x 2 = 24.8 because half of 24.8 is 12.4.
3 0
3 years ago
[6x4(15/5)[+[2^2+(1x-5)]
Vikki [24]

Answer:

71

Step-by-step explanation:

[6x4(15/5)]+[2^2+(1x-5)]

BIDMAS (aka PEDMAS etc.)

Brackets

Indices

Division/Multiplication

Addition/Subtraction

[6 x 4(15/5)] + [2^2 + (1x-5)]

[6 x 4(3)] + [2^2 + (-5)]

[6 x 4(3)] + [4 + -5]

[6 x 12] + [4 + -5]

[72] + [4 + -5]

72 + [-1]

72 + - 1

72 - 1

71

6 0
3 years ago
A constuction crew is extending a highway sound barrier that is 13 miles long. That crew builds 1/2 of a mile per week. Write an
dusya [7]
The equation is y = 1/2 x + 13, where x is the number of days, and y is the length of the barrier
8 0
3 years ago
HELP ME !!!
VLD [36.1K]

Answer:

The probability of hitting an odd number three times is 3.375 times more than the probability of hitting an even number three times..

Step-by-step explanation:

Probability of hitting an odd number = 3/5

Probability of hitting an odd number = 2/5

Probability of hitting an odd number three times = (3/5)^3

Probability of hitting an odd number three times = (2/5)^3

Now divide (3/5)^3 by  (2/5)^3 we get:

(3/5)^3 / (2/5)^3

(3)^3/(2)^3

27/8 = 3.375

The probability of hitting an odd number three times is 3.375 times more than the probability of hitting an even number three times..

8 0
3 years ago
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