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alisha [4.7K]
3 years ago
15

Factor the polynomial: 3x2(x -4) - 5(x - 4)

Mathematics
1 answer:
DIA [1.3K]3 years ago
7 0
B. (x-4)(3x2-5)
your welcome
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Divya is organizing a training for two different seminars, one for teachers and one for mechanics. She has a total of 132 pens a
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Step-by-step explanation:

Below is an attachment containing the solution.

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Katalin drove 210 miles on her vacation. She drove an average of 1.4 times faster on the second 105 miles of her trip than she d
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The answer is D. 180 divided by x. .


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3 years ago
During a recent year, charitable contributions in the United States totaled $371 billion. The graph below shows to whom this mon
Angelina_Jolie [31]

Using proportions, it is found that $55.7 billion was donated to educational organizations.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

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8 0
1 year ago
The time required to do a job varies inversely as the number of people working. It takes 5hr for 7 bricklayers to build a park w
ExtremeBDS [4]

<u>Answer</u>

3.5 hours.


<u>Explanation</u>

The first step is to calculate the constant of proportionality.

t ∝ 1/n

t = k/n   Where t = time, K= constant and n = number of people

t = k/n

k =tn

   = 5×7 = 35

The equation becomes;

t = 35/n

for n = 10,

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6 0
3 years ago
It takes 5 minutes for 7 people to drink 25 pints of water.At this rate,how long would it take 15 people to drink 160 pints of w
EastWind [94]

Answer:

14.9 min

Step-by-step explanation:

r=rate

r25=5*7

r25=35

r=35/25

r=1.4

substitution

r160=t*15

t=time

r=1.4

1.4*160=t*15

224=t*15/15

224/15=t

14.9 min

4 0
3 years ago
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