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Reika [66]
3 years ago
10

Select all the true statements.

Mathematics
1 answer:
fiasKO [112]3 years ago
3 0

Answer:

C and D are are the true statements

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Its B (second option)
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4 years ago
You are making 8 cups of fruit punch for a party. You have bottles of 75% fruit juice and 25% fruit juice. How many cups of each
slavikrds [6]

Answer:

<em>4 cups of 75% fruit juice and 4 cups of 25% fruit juice should be mixed.</em>

Step-by-step explanation:

Suppose, the amount of 75% fruit juice is x cups.

As the total amount of fruit punch is 8 cups, so the amount of 25% juice will be:  (8-x) cups.

Given that, the percentage of juice in 8 cups fruit punch is 50%

So, the equation will be.........

0.75x+0.25(8-x)= 0.50(8)\\ \\ 0.75x+2-0.25x= 4\\ \\ 0.50x+2=4\\ \\ 0.50x= 2\\ \\ x=\frac{2}{0.50}=4

Thus, the amount of 75% fruit juice is 4 cups

and the amount of 25% fruit juice is (8-4)= 4 cups.

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3 years ago
A carpenter purchased 50 ft of redwood and 70 ft of pine for a total cost of $280. A second purchase, at the same prices, includ
iris [78.8K]

The cost per foot of redwood and of pine is $3.5 and $1.5 respectively.

<h3>How to solve simultaneous equation?</h3>

let

  • cost of redwood = x
  • cost of pine = y

50x + 70y = 280

100x + 60y = 440

Multiply (1) by 2

100x + 140y = 560

100x + 60y = 440

subtract to eliminate x

80y = 120

y = 120/80

y = $1.5

substitute y = 1.5 into (1)

50x + 70y = 280

50x + 70(1.5) = 280

50x + 105 = 280

50x = 280 - 105

50x = 175

x = 175 / 50

x = $3.5

Learn more about equation:

brainly.com/question/2972832

#SPJ1

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Marlene lives in a building where half the residents live on the first floor and half live on the second floor. She wants to est
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5/6........................................................
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Subscribe to my yt please and I will surely give you the brainliest.
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say no more , link it down below

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3 years ago
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