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just olya [345]
3 years ago
5

How do you solve 6x^2 plus 5x=20 algebraically?

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
8 0
I believe the answer would be
x = \frac{ - 5 + \sqrt{505} }{12} and \: \frac{ - 5 - \sqrt[]{505} }{12}
Good Luckkk.:-)

Step 1 move all terms to one side
example: 6x^2+5x-20=0
step 2 use the quadratic formula.
How: In general ax^2+c=0, there exists two solutions.

Next: In this case a=6 , b=5, c= -20

Last step: which is Simplify leaves you with the top answer!
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tangare [24]
Jarrod:
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7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B2x%20%2B%203%20%20%7D%20%20-%20%20%5Csqrt%7Bx%20-%202%7D%20%20%3D%202%20" id="Tex
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Answer:

Step-by-step explanation:

hello : here is an solution

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3 years ago
A cube with sides 5 inches, and a pyramid with base edges 5 inches. What is the height, so that the volume of the cube and the p
Ostrovityanka [42]

<u>1</u><u>5</u><u> </u><u>inches</u> is the height of the pyramid

Step-by-step explanation:

The volume of a cube is a³

Given <em>a</em> = 5 inches

→ Volume = a³

= 5³

= 5×5×5

= <u>125 in²</u>

The volume of a pyramid is \frac{1}{3} {a}^{2}h

Given a = 5 inches , h = height of pyramid

=  >  \frac{1}{3} {a}^{2} h

=  >  \frac{1}{3}(5)^{2}h

=  >  \frac{1}{3} \times 25 \times h

=  >  \frac{25}{3}h

then,

125 =  \frac{25h}{3}

=  > 25h = 125 \times 3

=  > 25h = 375

=  > h =  \frac{375}{25}

=  > h = 15

Hence, the height of pyramid is <u>1</u><u>5</u><u> </u><u>inches</u>

7 0
2 years ago
Five friends all brought some cakes with them when they met. Each of them gave a cake to each of the others. They then ate all t
Sergeeva-Olga [200]

Answer:

1/2 i hope i helped

Step-by-step explanation:

8 0
3 years ago
Which of the following is a correct interpretation of the expression -4 - (-7)−4−(−7)minus, 4, minus, left parenthesis, minus, 7
romanna [79]

Answer:

B

Step-by-step explanation:

you  take away the 7 and it then b

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