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Kobotan [32]
3 years ago
12

I need to know the blank answer there either decimal or fraction even mix numbers

Mathematics
1 answer:
S_A_V [24]3 years ago
3 0

I. -7/10

K. 675/1000 or 27/40

M. -26/100

O. 5 55/100 the 5 by itself is a whole number

J 84/100 or 21/25

L -252/1000

N 2 78/100

p 11 688/100

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The first gardener can finish the job in 6 hours, and the second gardener can do the same job in 7 hours. How long it will take
marissa [1.9K]

If the first gardener can finish the job in 6 hours, it means that every hour he completes 1/6 of the job.

By the same logic, the second gardener completes 1/7 of the job per hour.

So, if they work together, they complete

\dfrac{1}{6}+\dfrac{1}{7}=\dfrac{7+6}{42}=\dfrac{13}{42}

of the job per hour.

So, after 42/13 of a hour, they'll complete the job. Since one hour is made of 60 minutes, 42/13 of a hour is

\dfrac{42}{13}\cdot 60 \approx 194

So, it will take them about 194 minutes to finish the job, i.e. about 3 hours and 14 minutes.

8 0
3 years ago
The answer to this question
kirill115 [55]

Answer:

4m

Step-by-step explanation:

m+m+m+m

There is an implied 1 in front of each term

1m+1m+1m+1m

Factor out the m

(1+1+1+1)m

4m

6 0
3 years ago
Mr. Smith baked 144 blueberry pies, some strawberry pies, and some apple pies. The number of apple pies is 4\5 of the number of
Leviafan [203]
B = 144
a = 4/5s
s = a + 24

s = 4/5s + 24
5/5s - 4/5s = 24
1/5s = 24
s = 24 * 5
s = 120

a = 4/5s
a = 4/5(120)
a = 480/5
a = 96

blueberry pies = 144
total of all pies = 144 + 120 + 96 = 360

percent of blueberry pies is : 144/360 = 0.40 = 40% <==

6 0
3 years ago
Read 2 more answers
Does anyone know the answer
artcher [175]
It would be 0.81 because she got 81/100 right. Hope this helpz..
3 0
3 years ago
Natalia is making a model of a statue using a scale in which 7 centimeter equals 4 feet. If the model is 3.5 centimeters wide, w
Serhud [2]

Answer:

2 ft

Step-by-step explanation:

\dfrac{7}{4} = \dfrac{3.5}{x}

7x = 4 \times 3.5

x = 2

Answer: 2 ft

7 0
3 years ago
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