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Semmy [17]
3 years ago
5

Variables x and y are in direct proportion, and y = 12.5 when x = 25. If x = 40, then y =

Mathematics
1 answer:
BabaBlast [244]3 years ago
6 0
25/12.5 = 40/y
cross multiply
(25)(y) = (12.5)(40)
25y = 500
y = 500/25
y = 20 <====
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Thirty-two cyclists make a seven-day trip. Each cyclist requires 8.33 kilograms of food for the entire trip. If each cyclist wan
kvasek [131]

Answer:

76.16 kilograms of food

Step-by-step explanation:

Number of cyclist = 32

Food per cyclist = 8.33 kilograms

Days of the trip = 7 days

Food per cyclist per day = 8.33 kg / 7

= 1.19kg food per day for each cyclist

how many kilograms of food will the group be carrying at the end of Day 5?

5 days out of 7 days = 2 days

Each cyclist will have to carry = 2 × 1.19 kg of food for the remaining two days

= 2 × 1.19

= 2.38 kilograms of food for two days

32 cyclist for 2 days = 32 × 2.38 kg of food

= 76.16 kilograms of food

The group will be carrying 76.16 kilograms of food at the end of Day 5

3 0
3 years ago
Answer these two pages. If you cant see them, tell me so i can type the problem. (DO NOT ANSWER "Its blurry")
Yuliya22 [10]
The decimals ordered from least to greatest are as followed:
Least: 2.009
2.09
2.19
2.9
Greatest: 2.901
I hope I have helped in some way, shape or form!
7 0
3 years ago
What is the solution to 5-2x^2=-15?
Phantasy [73]
Isolate x.

-2x^{2}=-20
x^{2}=10
x=\sqrt{10}


6 0
3 years ago
A shelf has four books on it. the weight, in pounds, of each of the four books on the shelf is listed below. (They are: 2.5, 3.2
kvv77 [185]
The answer is D. (w<3.3)
4 0
3 years ago
Read 2 more answers
Solve each equation. Check your answer<br>r/238=8
ozzi
You have to get r by itself on one side. Multiply both sides by 238 to cancel it out of the denominator on the left side.

You are left with r = 8 × 238 or r = 1904.

To check, plug 1904 back into the equation.

1904 ÷ 238 = 8
8 = 8 (True)
5 0
3 years ago
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