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dusya [7]
3 years ago
9

I need help Thx guys

Mathematics
2 answers:
Evgesh-ka [11]3 years ago
8 0
Plugging in the numbers 7x - 2y = 39 fitted and made sense
melisa1 [442]3 years ago
4 0

Answer:

It's B

Step-by-step explanation:

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1 in 4 families now owes money on a
Alecsey [184]

"a rise of a quarter from  last year" means the percentage went up by 25%

x = old value

x + 25% of x = x + 0.25x = 1.25x = new value = 0.25 since "1 in 4" means 1/4 = 0.25

So,

1.25x = 0.25

x = 0.25/1.25

x = 0.2

x = 2/10

x = 1/5

Answer:  The fraction of families that owed money is 1/5, or 1 in 5.

4 0
3 years ago
The length of a DNA nucleotide building block is about 1 nanometer, or 0.000000001 meters?
anastassius [24]

Answer:

A is the anser

Step-by-step explanation:

8 0
3 years ago
What is the unit rate of 360 miles travled on 12 gallons of gasoline
svetlana [45]
30 miles/ 1 gallon
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8 0
3 years ago
Find the missing length for the right triangle described below. B = 21 ft, c=27 ft. Find side a. Round to the nearest whole numb
maksim [4K]

Answer:

16.97 ft

Step-by-step explanation:

According to the scenario, computation of the given data are as follows,

Side B = 21 ft

Side c = 27 ft

As we know, formula for right triangle is as follows,

a^{2} + b^{2} = c^{2}

a^{2} = c^{2} - b^{2}

So, by putting the value in the formula, we get,

a^{2} = 27^{2} - 21^{2}

a^{2} = 729 - 441

a^{2} = 288

a = 16.97 ft

Hence, the length of the side  for the right triangle is 16.97ft.

6 0
3 years ago
Is this adjacent, vertical, linear, or complimentary?
Varvara68 [4.7K]
<h3>Answer: Adjacent</h3>

Adjacent angles share a common side. Think of two neighboring adjacent apartments that share a common wall.

4 0
2 years ago
Read 2 more answers
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