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Sergio [31]
3 years ago
14

Need help with questions like this please message me if you can help

Mathematics
1 answer:
natulia [17]3 years ago
8 0
9x^2-4x-3 and x=-2

= 9*(-2)^2 - 4*-2 - 3
= (9*4)+8-3
= 36+8-3
= 44-3
=41
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Jensen has an above ground pool in the shape of a regular octagon. Opposite sides are 25 feet apart and each side is 10.4 feet l
Studentka2010 [4]

Answer:

<u>Given</u>: base = 10.4ft, height = 12.5

Area of octagon = 8(1/2 × b × h)

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Now, 1 cubic ft takes 7.5 gallons to fill.

Therefore, 1560 cubic ft takes,

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5 0
3 years ago
How do you simplify and multiply 2/5×6/7
DiKsa [7]
2/5 x 6/7
Multiply the numerator and denominator
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7 0
4 years ago
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Helen [10]

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that is wrong beth has a better score

Step-by-step explanation:

14 out of 40 is 37.5%

and 24 out of 50 is 48%

4 0
3 years ago
Please help! will give brainliest. click for the picture
vesna_86 [32]

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A rectangle is 2/5 in. long and 1/3 in. wide.what is the area
pashok25 [27]
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2/5 * 1/3 = 2/15

So, the area is 2/15.
6 0
4 years ago
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