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Stolb23 [73]
3 years ago
9

I need help with 1-4

Mathematics
1 answer:
creativ13 [48]3 years ago
5 0
You have to cross multiply. To do that multiply $25 by 1,000 (25,000) and 200 by x(the unknown number) (200x). So 200x=25,000, divide by 200: the answer would be 125 minutes. Now just do that for all of them changing the 25, 9, 800, and 96 :) I hope this helps
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Antonio needs to convert 1.2 liters of milk to milliliters. How many milliliters are there in 1.2 liters of milk?
emmainna [20.7K]

Answer: 1200 milliliters.

Step-by-step explanation: 1 liter has 100 milliliters of milk in it. So you have to multiply 1.2 by 100 to get 1200.

4 0
3 years ago
B<br><img src="https://tex.z-dn.net/?f=%203%C3%B75%20%2B2%C3%B7b%3D1%20" id="TexFormula1" title=" 3&divide;5 +2&divide;b=1 " alt
Grace [21]

Answer: b=5

Step-by-step explanation:

Multiply all terms by b and cancel:

3b/5+2=1b

3/5b+2=b(Simplify both sides of the equation)

3/5b+2−b=b−b(Subtract b from both sides)

−2/5b+2=0

−2/5b+2−2=0−2(Subtract 2 from both sides)

−2/5b=−2

(5−2)*(−25b)=(5−2)*(−2)(Multiply both sides by 5/(-2))

b=5

Check answers. (Plug them in to make sure they work.)

b=5 (Works in the original equation)

Answer:

b=5

Hope this helps! ;)

5 0
3 years ago
Which number is irrational?
Leviafan [203]

Examples include but not limited to: 2, 3, 5

8 0
3 years ago
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Solve for x: log2(8)=x
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4 0
4 years ago
Can somebody help me
saveliy_v [14]

Answer:

Y=5

You must first divide b (-10) by two and square it to know what you need to make a perfect square (25). You must then add or subtract the amount to make C (-13) into that number (add 38). Don't forget to do it on the other side too! (3 becomes 41) You then factor the left side. ((Y-5)^2=41) The result is your answer. (Y=5)

6 0
3 years ago
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