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mixas84 [53]
3 years ago
13

Question 1

Mathematics
1 answer:
V125BC [204]3 years ago
6 0

Answer:

Needed = \frac{9}{20}kg

Step-by-step explanation:

Given

Needed\ Flour= 1kg\ \&\ \frac{1}{4}kg

Required

How much flour he add to \frac{4}{5}kg to get the desired amount

We start by adding 1kg to 1/4kg

Total = 1kg+ \frac{1}{4}kg

Take LCM

Total =\frac{4 +1 }{4}kg

Total = \frac{5}{4}kg

Next, we subtract the  \frac{4}{5}kg from the above total

Needed = \frac{5}{4}kg - \frac{4}{5}kg

Take LCM

Needed = \frac{25 - 16}{20}kg

Needed = \frac{9}{20}kg

<em>Hence; He needs </em>\frac{9}{20}kg<em>amount of flour </em>

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It takes jill 2 hours to run 14.5 miles. At this rate how far could she run in 3 hours?
grin007 [14]

Answer:

She can travel 21.75 miles in 3 hours.

Step-by-step explanation:

Firstly, you have to find out how many miles can Jill travel in 1 hour. So you divide it by 2 :

2hr = 14.5miles

1hr \:  = 14.5 \div 2 \\ 1hr = 7.25miles

We have found out that she can travel 7.25 miles per hour. Next wr have to multiply it by 3 as the question says how far she run in 3 hours :

1hr = 7.25miles

3hr = 7.25 \times 3 \\ 3hr = 21.75miles

8 0
3 years ago
You deposit $111 and it increases by 2% per year. How much money do you have after 15 years?
Lera25 [3.4K]

Answer:

2/100=0.02

0.02*15=33.3

111+33.3

144.3

6 0
3 years ago
7. Find the surface area of the prism
yan [13]
The formula for the surface area of a prism is obtained by taking the sum of (twice the base area) and (the lateral surface area of the prism). The surface area of a prism is given as S = (2 × Base Area) + (Base perimeter × height) where "S" is the surface area of the prism.
8 0
3 years ago
The graph of a function is shown:
Sphinxa [80]

Answer:

B.

Step-by-step explanation:

Use (X, Y)

X being the horizontal line

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6 0
2 years ago
Anna started a dog walking business. So far she has $117. She spent $45 dollars on supplies and charges $12 per hour. How many h
Contact [7]
If she spent 45 dollars on supplies, we need to add that to the total:

117 + 45
162

Now, lets divide by 12 to get the number of hours:

162/12
13.5 hours

If your question asks for a whole number, we have to say 13, because she didn't complete 14.

Hope this helps!
3 0
3 years ago
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