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shusha [124]
3 years ago
7

How do you factor 5y2 - 12x - 9

Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0
5y² - 12x - 9

It can't be factored.
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Name the binomial you can multiply by (x + 9) to get the product x2 + 5x - 36.
Mrac [35]
The answer is:  [C]:  " (x - 4) " .
____________________________________________________
       " (x+9)(x-4) = x² - 4x + 9x - 36 = x² + 5x - 36 " .
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8 0
3 years ago
Read 2 more answers
What's next in this series: 324, 256, 196, 144?​
nydimaria [60]

Next term will be 100

as series is 18²,16²,14²,12² so next will be 10²

hope it helps

8 0
2 years ago
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A number between 55 and 101 that is a multiple of 2, 8, and 16
ch4aika [34]
Ànswer is 64 , 80, and 96
5 0
3 years ago
Complementary angles are two angles whose measures add to 90°. The ratio of the measures of two complementary angles is 4:11.
Ilia_Sergeevich [38]

Answer:

24:66

Step-by-step explanation:

5 0
2 years ago
The load that can be supported by a rectangular beam varies jointly as the width of the beam and the square of itsâ height, and
storchak [24]

The question is incomplete.Here is the complete question.

The load that can be supported by a rectangular beam varies jointly as the width of the beam and the square of its length, and inversely as the length of the beam. A beam 13 feet long, with a width of 6 inches and a height of 4 inches can support a maximum load of 800 pounds. If a similar board has a width of 8 inches and a height of 7 inches, how long must it be to support 1300 pounds?

Answer: It must be 392 inches or approximately 33 feet.

Step-by-step explanation: According to the question, the measures (width, length and height) of a beam and the weight it supports are in a relation of <u>proportionality</u>, i.e., if divided, the result is a constant.

For the first load:

width = 6in

height = 4in

length = 13ft or 156in

weight = 800lbs

Then, constant will be:

\frac{6.4^{2}}{156} k = 800

k=\frac{800.156}{96}

k = 1300

For the similar beam:

\frac{8.7^{2}}{L}1300=1300

L = 49.8

L = 392in or 32.8ft

A similar board will support 1300lbs if it has 392 inches or 32.8 feet long.

6 0
3 years ago
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