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balandron [24]
3 years ago
13

Becky made 63 carnival masks, which is 30% less than the number her brother made. How many carnival masks did becky and her brot

her make in total?
HELP
Mathematics
1 answer:
anyanavicka [17]3 years ago
5 0

Answer:

153

Step-by-step explanation:

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Michael earns
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$1512

Step-by-step explanation:

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35,520 divided by 96
Vlada [557]

The answer would be 370

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A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is
mamaluj [8]

Answer: The test contains 10 three-point questions and 14 five-point questions.

Step-by-step explanation:

Let x represent the number of 3-point questions.

Let y represent the number of 5-point questions.

The maths test consists of 24 questions. This means that

x + y = 24

Each question is worth either 3 points or 5 and the test is worth 100 points. This means that

3x + 5y = 100 - - - - - - - - - - -1

Substituting x = 24 - y into equation 1, it becomes

3(24 - y) + 5y = 100

72 - 3y + 5y = 100

- 3y + 5y = 100 - 72

2y = 28

y = 28/2 = 14

Substituting y = 14 into x = 24 - y , it becomes

x = 24 - 14 = 10

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3 years ago
Plzzzz help me <br><br><br> I will give brainliest to the right answer!
weeeeeb [17]
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3 years ago
Write the square root of z^3z^4 as an algebraic expression using a rational exponent
love history [14]

Answer:

z^{7/2}

Step-by-step explanation:

sqrt[(z^3)(z^4)] = \sqrt{z^7} = z^{7/2}

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3 years ago
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