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Valentin [98]
3 years ago
9

Factor 8x2 – 14x – 15

Mathematics
2 answers:
Katyanochek1 [597]3 years ago
6 0

Answer:

(4x+3)(2x-5)

Step-by-step explanation:

8 factors: 1,8  2,4

-15 factors: -1,15  -3,5  -5,3  -15,1

(4x+3)(2x-5)

GalinKa [24]3 years ago
5 0

Answer:

(4x+3)(2x-5)

Step-by-step explanation:

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rewona [7]

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1/18

Step-by-step explanation:

the denominator is going up by 2s

pls brainliest

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do it or he will hunt you down and kill u (lets destroy the moderators!!!!!!!!)

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Step-by-step explanation:

4 0
2 years ago
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NEED HELP ASAPPP!!!! Get brainlist!
tangare [24]

Answer:

394.9 cm

Step-by-step explanation:

The formula for a cone's surface area is A = π r ( r + √r^2 + h^2 ).

r = radius

h = height

The Pythagorean theorem, a^2 + b^2 = c^2, will be needed to find the height.

Plug in the values.

a(unknown)^2 + 6^2 = 15^2

A + 36 = 255

255 - 36 = 189

√189 ≈ 13.7

Surface area formula, plug in the values.

A = 3.14 × 6 ( 6 + √6^2 + 13.7^2 )

*PEMDAS*

A = 3.14 × 6 ( 6 + √36 + 187.69 )

A = 3.14 × 6 ( 6 + √223.69 )

A = 3.14 × 6 ( 6 + 14.95 )

A = 3.14 × 6 ( 20.96 )

A = 3.14 × 125.76

A = 394.8864

*round to nearest tenth*

A = 394.9 cm

Hope this helps! :)

8 0
3 years ago
Two numbers in a ratio 5:4 . Their sun is 720.find the bigger number.show your reasoning
alina1380 [7]
5x + 4x = 720
9x = 720 (divide by 9)
X= 80
In order to get the bigger ratio, which is 5, you would substitute x for 80. (I'm bad at explaining)
Work:
5(80)= 400
6 0
3 years ago
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