Answer:
x = 3/a
Step-by-step explanation:
7 + 2ax = 13
2ax = 13 - 7
2ax = 6
ax = 6 / 2
ax = 3
x =<u> 3/a</u>
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<u>Hope it helps!</u>
R * 4 = 1000; R = 1000 / 4 = 250
(R + B) * 3 = 1000
3R + 3B = 1000,
3B = 1000 - 3R = 1000 - 750 = 250
B = 250/3
t(B) = 1000 / (250/3) = 12 hours
In order to check you would plug in the value of x and see if it equals the same thing.
or do the opposite of the equation. it depends on if you are dealing with x or not. so if you have 6-3 is 3 you can do 3+3 is 6
9514 1404 393
Answer:
20.8 cm
Step-by-step explanation:
The term "hypotenuse" suggests this triangle is a right triangle. Then the other leg can be found using the Pythagorean theorem:
x^2 +12^2 = 24^2
x^2 = 576 -144 = 432
x = √432 ≈ 20.8 . . . cm
The other leg is about 20.8 cm.
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<em>Additional comment</em>
A right triangle with a short leg that is 1/2 the length of the hypotenuse is the "special" 30°-60°-90° right triangle. The longer leg is √3 times the length of the short leg: 12√3 ≈ 20.8 cm.