3 years ago

The sum of three consecutive integers is 186. what are the integers?

Mathematics

1 answer:

ratelena [41]3 years ago

3 0

Step-by-step explanation:

the answer is 4

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The scale for a map is 20 miles = 1/2 inch. The distance between two towns on the map is 3 3/4 inches. What is the actual distan

zubka84 [21]

Answer:

150 miles

Step-by-step explanation:

If 1/2 of an inch is 20 miles, we can assume that 1/4 of an inch is 10 miles, since half of 1/2 is 1/4 and 1/2 of 20 is 10.

Equipped with this information, we can divide 3 by 1/2 or multiply 3 by the reciprical, 2/1 to get how much we should multiply 20 by.

3*2=6

20*6=120

Then we can multiply 10 by 3 and add that on our answer, since there are still 3/4s left and 1/4=10 miles.

10*3=30

120+30=150

The actual distance is 150 miles.

Hope this helps!

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3 years ago

How do i prove 2sec^2x-2sec^2xsin^2-sin^2x-cos^2x=1

kramer

$2\sec^2x-2\sec^2x\sin^2x-\sin^2x-\cos^2x=2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)$

Since $\sin^2x+\cos^2x=1$ , you have

$2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)=2\sec^2x\cos^2x-1$

and since $\sec x=\dfrac1{\cos x}$ , you end up with $2-1=1$ .

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3 years ago

Ms. McNeil buys 5.6 gallons of gasoline. The total cost is $18.20. Complete and solve the equation to find the price p in dollar

tatiyna

Answer:

12.50

Step-by-step explanation:

18.20-5.60= 12.50

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3 years ago

Find the mean for the following sets of numbers.14,15,20,21

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The mean of those sets of numbers are 17.5

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4 years ago

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Aleksandr-060686 [28]

Answer:

multiply and see what you get

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3 years ago