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Georgia [21]
3 years ago
7

I NEED HELP ASAP!! did i do correct??

Mathematics
1 answer:
Aleks [24]3 years ago
5 0

Answer:

If I were to be honest I think you did it perfectly

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7
skad [1K]
Answer: Ox=3,y=11 Ox

Step-by-step explanation:

6 0
2 years ago
Which expression represents "the product of 8 squared and the difference of a number,n and 9"
Margarita [4]

Step-by-step explanation:

Below is an attachment containing the solution.

5 0
3 years ago
Roy worked for 2 hours and earned $12. How many hours must he work at the same rate to earn $36? Hours worked 2 ? Dollars earned
iVinArrow [24]

Answer C. 6 hours

Step-by-step explanation:

12/2=6  36/6=6 $6 per hour

8 0
3 years ago
Read 2 more answers
What numbers add to 4 but multiply to 1
dem82 [27]
1 + 1 + 1 + 1 = 4
1 x 1 x 1 x 1 = 1
8 0
3 years ago
Find the value of the variable y, where the sum of the fraction 2/y-3 and 6/y+3 is equal to the quotient.
NISA [10]

Answer:

Here we need to solve:

\frac{2}{y - 3}  + \frac{6}{y + 3 }  = \frac{\frac{2}{y-3}}{\frac{6}{y + 3} }

The sum of the fractions is equal to the quotient between the fractions.

Notice that the two values:

y = 3

y = -3

make the denominator equal to zero, so those values are restricted.

We can simplify the right side to get:

\frac{2}{y - 3}  + \frac{6}{y + 3 }  = \frac{\frac{2}{y-3}}{\frac{6}{y + 3} } = \frac{2*(y + 3)}{6*(y - 3)}  = 3*\frac{y + 3}{y - 3}

Now we can multiply both sides by (y - 3)

(y - 3)*(\frac{2}{y - 3}  + \frac{6}{y + 3 }) = 3*(y + 3)\\2 + 6*\frac{y -3}{y + 3} = 3*(y + 3)

Now we can multiply both sides by (y + 3)

(2 + 6*\frac{y -3}{y + 3})*(y + 3) = 3*(y + 3)*(y + 3)

2*(y + 3) + 6*(y - 3) = 3*(y + 3)*(y + 3)\\\\2*y + 6 + 6*y - 18 = 3*(y^2 + 2*y*3 + 9)\\\\8*y - 12 = 3*y^2 + 6*y + 33\\\\0 = 3*y^2 + 6*y + 33 - 8*y + 12\\\\0 = 3*y^2 - 2*y + 45

First, let's see the determinant of that quadratic equation:

D = (-2)^2 - 4*3*45 = -536

We can see that it is negative, thus, there are no real solutions of the equation.

Thus, there is no value of y such that the origina equation is true,

6 0
3 years ago
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