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Step2247 [10]
3 years ago
14

Which expression is equivalent to (7x - 5)-(3x - 2)?

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0

(7x - 5)-(3x - 2)

Pretend that there is a -1 in front of the second bracket

(7x-5)-1(3x-2)

Multiply the second bracket by -1

7x-5-3x+2

7x-3x-5+2

4x-3

Answer: D. 4x - 3

Tcecarenko [31]3 years ago
6 0

Answer:

option D

Step-by-step explanation:

(7x - 5)-(3x - 2)

7x-5-3x+2

4x-3

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24% of what number is 72
nignag [31]

Answer:

300

Step-by-step explanation:

24% × x = 72

or,   24 /100

× x = 72

we have x = 72 ×  100 /24

x = 300

Hope it helps

4 0
3 years ago
Describe and correct the error in finding the difference of the polynomials
levacccp [35]

Answer:

4x+11 is the answer.

Step-by-step explanation:

( 4*2-x+3)-(3*2-5x-6)

=(8-x+3)-(6-5x-6)

=(11-x)-(0-5x)

=(11-x)-(-5x)

=11-x+5x

=11+4x

= 4x+11

6 0
3 years ago
Marnie had two pages of math homework and four pages of ELA homework. If each page had 14 questions on it, how many questions di
ahrayia [7]

Answer:

84

Step-by-step explanation:

First, there are 6 pages of work. then multiply 6 by the number of questions (14)

6x14=84

4 0
2 years ago
Hi can you please help me<br>i cant answer this question.​
Alex_Xolod [135]

Answer:

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3 0
2 years ago
F(x)=9x^2 <br><br> g(x)= sqrt 12-x/3<br><br> (f o g)(-4)
Slav-nsk [51]

f(x)=9x^2 \\ g(x)=\frac{\sqrt{12-x}}{3} \\ So,first step is to write (fog)(-4)) =f[g(-4)] \\

Now we start from inner paranthesis ,we need to first find value of g(-4) =\frac{\sqrt{12-(-4)}}{3}\\ =\frac{\sqrt{12+4}}{3}\\&#10;=\frac{\sqrt{16}}{3}\\&#10;=\frac{4}{3}\\&#10;(fog)(-4)) =f[g(-4)] =f(\frac{4}{3}) =9(4/3)^{2} =9*(16/9) =144/9 =16     

8 0
3 years ago
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