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olga55 [171]
2 years ago
15

Simplify -3(3x^2+2y-5)-2(x^2-3x)

Mathematics
2 answers:
Luda [366]2 years ago
8 0

Answer:

-11x^2 + 6x - 6y + 15 will be your answer!

Step-by-step explanation:

-3(3x^2 + 2y - 5) -2(x^2-3x)

-9x^2 - 6y + 15 - 2x^2 + 6x

-11x^2 + 6x - 6y + 15

Sorry if I took too long to answer.

inn [45]2 years ago
5 0

Answer:

=7x^2+6x+6y-15

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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6 0
2 years ago
Which equations have the same value of x as Three-fifths (30 x minus 15) = 72? Select three options.
Anon25 [30]

An equation is formed of two equal expressions. The correct options are C, D, and E.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

The value of x in the given equation is,

\dfrac35 (30x-15) = 72\\\\(6x - 3) = 72\\\\6x -3 = \dfrac{72}3\\\\6x = 24 + 3\\\\x = 4.5

Substitute the value of x in other option to check if the equations are equal are not. Therefore, the options can be written  as,

A.) 18x - 15 = 72

18(4.5) - 15 = 66

Thus, this will not return the same value.

B.) 50x - 25 = 72

50(4.5) - 25 = 200

Thus, this will not return the same value.

C.) 18x - 9 = 72

18(4.5) - 9 = 72

Thus, this will return the same value.

D.) 3(6x - 3) = 72

3[6(4.5) - 3] = 72

Thus, this will return the same value.

E.) x = 4.5

Thus, this will return the same value.

Hence, the correct options are C, D, and E.

Learn more about Equation:

brainly.com/question/226398

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7 0
2 years ago
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 1261 chips
Serjik [45]

Answer:

(A) 1199.168

(B) 1503.372

(C) 159.17728

5 0
3 years ago
A salesman earns 8% commission on all the merchandise that he sells. Last month he sold $6000 worth of merchandise. How much com
REY [17]
$480

First convert 8% into a decimal
8%/100=0.08

Multiply the decimal by his sales
0.08*6000
480
He made $480 in commission last month

Hope this helped! :)
4 0
3 years ago
A company has 3 divisions. Last year, each
Anna35 [415]

Answer:

414642

44j1fg

Step-by-step explanation:

hfkk1354khf

5 0
3 years ago
Read 2 more answers
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