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const2013 [10]
3 years ago
7

The sum of three consecutive even integers is 642. What are the integers? (Show your work too please)

Mathematics
2 answers:
Oliga [24]3 years ago
3 0

Answer:

212,214,216

Step-by-step explanation:

n+n+2+n+4=642

add the n's and 2 and 4

3n+6=642

subtract 6 from both sides

636 divided by 3

you get 212 then add 2 twice.

Dennis_Churaev [7]3 years ago
3 0

Answer:

212, 214, 216

Step-by-step explanation:

Basically you can divide 642 by 3 to find the average number of the 3.  get You get 214, so that means 214 + 214 + 214 = 642

We need consecutive EVEN integers though, so you can take the one even BEFORE and then one even AFTER 214

This means 212 and 216 are used as they are 2 before and 2 after, so when added they still total 642.

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Find the hypotenuse of each Isosceles right triangle when the legs are of the given measure.
ludmilkaskok [199]

Answer:

12

Step-by-step explanation:

We can use the pythagorean theorem giving us:

a^2+b^2=c^2

(6sqr2)^2 + (6sqr2)^2 = c^2

72+72=c^2

144=c^2

12=c

6 0
3 years ago
Use a calculator to find a value of θ between 0° and 90° that satisfies the statement. Write your answer in degrees and minutes
Tcecarenko [31]

Answer:

(9° 48' 17")

Step-by-step explanation:

7 0
4 years ago
PLEASE HELP FOR TEST will mark brainiest !!
sdas [7]

Answer:

552.920307 yd^2 or 552.92 yd^2 for sigfigs

Step-by-step explanation:

basically you take the area of the entire circle and subtract the interior circle to leave the ring and that’s your answer

so the area formula of a circle is π r^2

the radius (r) is just half the diameter so the entire diameter is 48 so the radius is 24 - π(24)^2 = 1809.557368^2

then the interior circle’s diameter is 40 so the radius is 20 - π(20)^2 = 1256.637061^2

so now it’s just subtraction:

1809.557368 yd^2 - 1256.637061 yd^2 =
552.920307 yd^2 or 552.92 yd^2 for sigfigs

hope this helps :)

6 0
2 years ago
Read 2 more answers
I need help with this please
bixtya [17]

Answer:

i think it's c but I'm not 100% sure

7 0
3 years ago
Read 2 more answers
-13x + x = 8x –20x What is the answer to this
Dennis_Churaev [7]

Answer:

∣∣−13∣∣=13

Step-by-step explanation:

calculatorsoup

4 0
3 years ago
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