3 years ago

Julians brother is performing some calculations

Mathematics

1 answer:

Katyanochek1 [597]3 years ago

7 0

Sorry I do t understand.............

the question

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If p=3(2q+r), express q in terms of p and r.

Kruka [31]

Answer:

$q=\frac{1}{6}p- \frac{1}{2}r$

Step-by-step explanation:

$p=3(2q+r)$

$2q+r=\frac{p}{3}$

$2q=\frac{p}{3} -r$

$q=\frac{p}{6}- \frac{r}{2}$

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3 years ago

What is the sum of all possible multiples of 5 less than 500

Leona [35]

Answer:

We need to find 5 + 10 + 15 + ... + 485 + 490 + 495. There are 99 numbers that are being added. To add this we can do 5 + 495, 10 + 490, 15 + 485 and so on. These pairs have a sum of 500 and since there are 98 / 2 = 49 pairs their sum is 500 * 49 = 24500. Since there is an odd number of numbers that are being added, there is one number that does not belong to a pair. That number is the 50th number in the list which is 50 * 5 = 250. Therefore the answer is 24500 + 250 = 24750.

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4 years ago

Car Survey: In a survey of 2,400 people who owned a certain type of car, 1,680 said they would buy that type of car again. What

Umnica [9.8K]

Answer:

70 percent

Step-by-step explanation:

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3 years ago

What do i do to find EF in the trapezoid? I can't seem to figure it out.

aniked [119]

Answer:

x=4

Step-by-step explanation:

EF is half of the top and bottom lines comined so you would make an equation:

5x+8/2=2x+6

5x+8=4x+12

x=4

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4 years ago

Plz help i have been asking this question too much

inessss [21]

Answer:

Step-by-step explanation:

1/6 of 36 is 6

2/3 of 36 is 24

6+24=30

36-30=6

8 0

3 years ago

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