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asambeis [7]
3 years ago
10

Which expression is equivalent to -12(3x-3/4) ?

Mathematics
2 answers:
earnstyle [38]3 years ago
6 0

Answer: This expression is equivalent to -36x+9.

Step-by-step explanation: We have to multiply through out by -12 in order to remove the brackets and then write the answer.

=12(3x-3/4)

= -36x+9

zalisa [80]3 years ago
5 0

Answer:

An equivalent expression is

-36(x-1/4)

Step-by-step explanation:

Step one

This problem bothers factorization of linear expression

Step two

Given the expression

-12(3x-3/4)

Step three

We can actually factor out some figures from the terms in the bracket

Say we factor out 3 we have

-12*3(x-1/4)

-36(x-1/4)

Hence the equivalent expression to

-12(3x-3/4)

is - 36(x-1/4)

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Is there a proportional relationship? A salt water solution for and aquarium calls for 35 parts of salt to 1000 parts of water t
morpeh [17]

Answer:

Yes

Step-by-step explanation:

To check proportionality :

35 α 1000

35 = 1000k

k = constant of proportionality ;

Divide both sides by 1000 to obtain k

35 / 1000 = 1000k / 1000

0.035 = k

For the ratio Given :

Ratio of 7 parts of salt and 200 parts of water

7 : 200

7 / 200

= 0.035

Since,

k = 0.035 ; 7 / 200 = 0.035

Hence, a proportional relationship exists.

7 0
2 years ago
X(x – 4) and x2 - 4x define the same function.
ycow [4]

Answer:

Yes, because x(x -4) is equivalent to x^2-4x

Step-by-step explanation:

x(x -4) and x^2-4x

x(x -4) = x^2 - 4x

Hope this helps!

5 0
2 years ago
2-31. Write an equation and solve it to find the answer to the question below.  Use the 5-D Process to help you write the equati
raketka [301]

r = 25+b

n = 3b

n+r+b=435

3b+25+b+b=435

5b+25=435

5b=210

b=42

r = 25+42 = 67

n = 3(42) = 126

6 0
3 years ago
What is the estimate of -4.2 - (-2.9). Show your work
irakobra [83]

Answer:

-1

Step-by-step explanation:

-4.2-(-2.9)

-4.2➡ is about -4

-2.9➡is about -3

-4-(-3)

-4+3

-1

5 0
3 years ago
The area of a square in which p= 36 in
romanna [79]
If you divide 36 by 4, it equals 9, so each side is 9. Then you multiply 9 to 9, which equals 81 in^2.
8 0
3 years ago
Read 2 more answers
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