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larisa86 [58]
2 years ago
7

Solve for x by completing square x^2-18x=65

Mathematics
1 answer:
Nastasia [14]2 years ago
7 0

Answer:

See Image below:)

Step-by-step explanation:

You can use the app photo math, you just take a picture of the question and it shows you the steps.

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Given: ABC is a right triangle with right angle C. AB = 18 centimeters and m<A = 22°.
rewona [7]

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6.74

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2 years ago
Estimation: Maria and Connor are doing yard work for a neighbor. They make a total of ​$597.56. Since Connor works more hours th
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Connor made (in whole) $484.0236 moolahs
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3 years ago
The temperature was 75° Fahrenheit. The temperature dropped at a rate of 10° per hour.
Zigmanuir [339]

Answer:

-5 degrees

Step-by-step explanation:

you started at 75 degrees. it dropped at a rate of 10 degrees per hour. It's been eight hours. 8 times 10 equals 80. It dropped a total of 80 degrees. the starting 75 degrees minus the current 80 degrees equals -5 degrees.

3 0
3 years ago
Suppose an airline policy states that all baggage must be box shaped with a sum of​ length, width, and height not exceeding 114
NISA [10]

Answer:

Step-by-step explanation:

Represent the length of one side of the base be s and the height by h.  Then the volume of the box is V = s^2*h; this is to be maximized.

The constraints are as follows:  2s + h = 114 in.  Solving for h, we get 114 - 2s = h.

Substituting 114 - 2s for h in the volume formula, we obtain:

V = s^2*(114 - 2s), or V = 114s^2 - 2s^3, or V = 2*(s^2)(57 - s)

This is to be maximized.  To accomplish this, find the first derivative of this formula for V, set the result equal to 0 and solve for s:

dV

----- = 2[(s^2)(-1) + (57 - s)(2s)] = 0 = 2s^2(-1) + 114s - 2s^2

ds

Simplifying this, we get dV/ds = -4s^2 + 114s = 0.  Then either s = 28.5 or s = 0.

Then the area of the base is 28.5^2 in^2 and the height is 114 - 2(28.5) = 57 in

and the volume is V = s^2(h) = 46,298.25 in^3

7 0
3 years ago
0.25r+0.6s. What is the verbal expression
drek231 [11]
0.25 times r added to 0.6 times 6
3 0
3 years ago
Read 2 more answers
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