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3 years ago

If you know the answers please let me know

Mathematics

1 answer:

lisov135 [29]3 years ago

4 0

Answer:

I believe its A C D

Step-by-step explanation:

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What is the answer to 4/5 - 3/4?

azamat

Answer: 1/20

Step-by-step explanation:

you need to find a common denominator (least common multiple of both denominators)

4/5 - 3/4

16/20 - 15/20

1/20

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3 years ago

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What is the value of x? A) 10 B) 12 C) 15 D) 17

prohojiy [21]

Answer:

c) 15

Step-by-step explanation:

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3 years ago

What is the answer to 50% of $250

GalinKa [24]

Answer:$125

Step-by-step explanation:

50% of 250

50/100 x 250

1/2 x 250=(1x250)/2=250/2=125

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3 years ago

Melinda has ten fewer nickels than quarters.She has $5.20 in the bank.How many coins of each type does she have.

Ksju [112]

Well a quarter is = to 25 and a nickel is = to 5 so we know that there are fewer Nickels than quarters, therefore we know that we should you 4 quarters 5 times to build 5 dollars which is 20 quarters and use the nickels to build up 20 which would 4 since it be (5,10,15,20) counted by 5’s hope that hopes bby bops

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4 years ago

Takumi started studying how the number of branches on his tree changes over time.

Musya8 [376]

Answer:

Grows, Factor of 2

Step-by-step explanation:

The relationship between the elapsed time, t, in years, since Takumi started studying his tree, and the total number of its branches, N(t), is modeled by the function:

$N(t) = 63. 2^t$

For illustration, let us take the growth for the first three years after he started studying the number of branches.

$When \:t=1, N(1) = 63. 2^1=126\\When \:t=2, N(2) = 63. 2^2=252\\When \:t=3, N(3) = 63. 2^3=504\\504\div 252=252\div 126=2$

We notice that for each subsequent year, the number of branches doubles.

Therefore:

Every year, the number of branches <u>grows</u> by a factor of <u>2.</u>

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4 years ago