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Anuta_ua [19.1K]
3 years ago
10

Simplify ratio 40:28

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
3 0
40:28=\dfrac{40}{28}=\dfrac{40:4}{28:4}=\dfrac{10}{7}=10:7

Answer: 40 : 28 = 10 : 7
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The water level of a certain body of water is changing at a rate of W(t)=3/4cos(4-t/2) inches per hour, where t represents hours
Leni [432]

Answer:

The answer is below

Step-by-step explanation:

a) The integral \int\limits^{10}_{1 } {W(t)} \, dt means the total change in level of water in inches from 1 am to 10 am. That is the water level change measured in inches between 1 am and 10 am

b) 7 pm is represented as t = 19 hours, while midnight is represented as t = 24 hours, hence the water level change between 7 pm and midnight is:

\int\limits^{24}_{19 } {W(t)} \, dt\\\\

c) Using casio calculator to evaluate the integral gives:

\int\limits^{24}_{19 } {W(t)} \, dt\\\\ = 2.54 inches

D) The total daily change in water level = \int\limits^{24}_{0 } {W(t)} \, dt\\\\ = 0.35 inches

8 0
2 years ago
Solve the following inequality: 5x+3 < 6x+2
grigory [225]

Answer:

5x + 2x + 7x

Step-by-step explanation:


7 0
3 years ago
I need help on 3,4 and 5!!!Please!!!
gayaneshka [121]
Well, for 4 I believe you must divide 2/4 by 100 to make it a decimal, then divide the decimal by the 5. :) Hopefully that is correct!
4 0
3 years ago
Read 2 more answers
What is a system of equations for the following situation? There is a total of 30 questions on a test. Some questions are multip
Alexxx [7]

Answer:

m + s = 30

2m + 6s = 100

Step-by-step explanation:

took the test

8 0
3 years ago
Hii! Please helpppp!! This was due like 3 days ago lol
Aleksandr-060686 [28]

Fergus has 3 1/4 cups of oats

= 13/4 cups of oats

Oatmeal bars = 2 2/3

= 8/3 cups of oatmeal used

Therefore cups of oats left = 13/4 - 8/3

= 39/12 - 32/12

= 7/12 cups of oats left

She borrowed 1 cup of oats from neighbour

7/12 + 1/1

= 7/12 + 12/12

= 19/12 cups of oats

Blueberry oats muffin = 1 3/4 cups of oats

= 7/4 cups of oats

Total she will have now = 19/12-7/4

= 19/12 - 21/12

= - 2/12

= -1/6

Which means she needs 1/6 cup of oats more

Therefore its option 4

Must click thanks and mark brainliest

4 0
2 years ago
Read 2 more answers
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