3 years ago

HELP QUICK!!!

Mathematics

1 answer:

Svetllana [295]3 years ago

3 0

Answer:

Step-by-step explanation:

√(c-2) - √c = 5

√(c-2) = √c + 5

c-2 = c + 10√c +25

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What number must you add to complete the square x^2+24x=17

Arte-miy333 [17]

We have
x² + 24x = 17 (1)

Note that
(x + 12)² = x² + 24x + 144
By adding 144 to the left side of equation (1), it becomes a perfect square.

Therefore
x² + 24x = (x+12)² - 144 (2)

Substitute (2) into (1).
(x + 12)² - 144 = 17
(x + 12)² = 17 +144
(x + 12)² = 161

Answer:
We added 144 to the left side of equation (1) in order to make it a perfect square.

8 0

3 years ago

Read 2 more answers

Marianne can say hello in more than 7

Lady_Fox [76]

Answer:

Number line A.

Step-by-step explanation:

The first number line A, represents x > 7, which the unshaded circle starting from 7 and moving to the right.

Number line B represents x < 7 with the direction being to the left (opposite of A).

Number line C is synonymous with A, however the starting point is shaded which represents x ≥ 7

Number line D also follows up from B with D representing x ≤ 7