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Firlakuza [10]
3 years ago
9

Which expression is equivalent to 20+8y_9y_21​

Mathematics
1 answer:
viktelen [127]3 years ago
3 0

Answer: 4(5+2y)-3(3y+7)

Step-by-step explanation:

Use the distributive property for this ^^^

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Determine the quotient
nexus9112 [7]

Answer:

option 2: \large \frac{10}{12}

Step-by-step explanation:

when dividing fractions, you can actually multiply them together by the reciprocal of the second one. (reciprocal is just flipping the fraction)

so, \frac{2}{3} ÷ \frac{4}{5}

becomes \frac{2}{3} * \frac{5}{4}

to multiply fractions together, just multiply the top and bottom.

2 * 5 = 10

3 * 4 = 12

so the answer would be \frac{10}{12}

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3 years ago
What is the answer to (x-4)-(-6+x) ?
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X - 4 +6 -x
x - x = -2

0 = -2

No solution
5 0
3 years ago
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Your friend tells you that if you let her keep 2020 of your Pokemon cards for three months, she will give you 22 cards extra whe
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Answer: 40 %

Step-by-step explanation:

Let the amount of one card = x

Hence, the value of 20 cards ( Principal amount ) = 20x

And, the value of 22 cards ( Total amount after 3 month ) = 22x

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Let the annual interest rate = r %

\frac{20x\times r\times 3/12}{100}=2 x ( By the formula of simple interest rate )

\implies \frac{10\times r\times 1/4}{100}=1

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Hence, the annual rate of interest = 40%

8 0
3 years ago
Question 1
MAVERICK [17]
Question 1:
x - Tim`s age,  y - Coach Johnson`s age:
x + 10 = y
2 * ( x - 3 ) = y - 3
-----------------------
2 x - 6 = x + 10 - 3
2 x - x = 7 + 6
x = 13
Tim is 13 years old.
Question 2:
x - 62,500 = 0.25 * 125,000
x - 62,500 = 31,250
x = 31,250 + 62,500
x = 93,750
Maya received 93,750 votes.
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3 years ago
Exercise 1: Which of the following is not an equation
Pavel [41]
It is number 4.........
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3 years ago
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