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Elza [17]
3 years ago
13

Write the percent based a fraction or mixed number in simplest form. #14

Mathematics
2 answers:
Minchanka [31]3 years ago
8 0
31/40

replace 77.5 with 775/10
simplify to get 155/2
divide by 100 to get 31/40
aivan3 [116]3 years ago
7 0
77.5%
= 77.5/100
= 775/1000
= (775/25)/ (1000/25)
= 31/40

The final answer is 31/40~
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What is the purpose of simultaneous equations?
sveta [45]

Answer:

a set of two or more equations, each containing two or more variables whose values can simultaneously satisfy both or all the equations in the set, the number of variables being equal to or less than the number of equations in the set.

Step-by-step explanation:

It works because of two properties of equations: Multiplying (or dividing) the expression on each side by the same number does not alter the equation. Adding two equations produces another valid equation: e.g. 2x = x + 10 (x = 10) and x − 3 = 7 (x also = 10).

5 0
3 years ago
Show your work.<br> What is the value of b^3 - 2b when b=3?<br> WILL MARE AS BRAINLIEST
My name is Ann [436]

Answer:

21

Step-by-step explanation:

3x3x3=27

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7 0
2 years ago
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Find the measures of an interior angle and an exterior angle of a regular hexagonhexagon.
katen-ka-za [31]

Answer:

An exterior angle=60°

An interior angle=120°

Step-by-step explanation:

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Each exterior angle=360➗number of sides

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3 0
3 years ago
Sally has to pay a deposit to rent a kayak of $50.00, then she is charged $7.00 per hour
solmaris [256]

Answer:

$92

Step-by-step explanation:

Since Sally plans to keep the kayak for 6 hours and it's $7 per hour we can multiply 6*7 to determine how much she will be charged for keeping the kayak.

6*7=$42

Now we add this to the original deposit of $50.

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4 0
2 years ago
Sam has bought a camera for $200 when it was on 20% off sale. What was the original price of the camera
Olenka [21]
Original price = x
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The original price was $250
5 0
3 years ago
Read 2 more answers
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