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Lemur [1.5K]
3 years ago
7

What is (4x + 3) + (-2x + 4)

Mathematics
2 answers:
exis [7]3 years ago
6 0

Answer:

The answer to your equation would be 2x + 7.

Step-by-step explanation:

4x + 3 + -2x + 4

= (4x + -2x) + (3 + 4)

= 2x + (3 + 4)

= 2x + 7

Therefor, your answer would be 2x + 7.

kobusy [5.1K]3 years ago
5 0

Answer:

(4x + 3) + (-2x + 4) = 2x + 7  

Step-by-step explanation:

(4x + 3) + (-2x + 4) =     you then collect like terms  

(4x + -2x) + (3 + 4)= like this, and you add what's inside perenthesis

= 2x + (3 + 4). step-by-step

= 2x + 7.  then that is how you get =2x+7

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A merchant marks up everything in the store by a standard 40%. What is the retail price of an item costing the merchant $15?
koban [17]

Answer:

$21

Step-by-step explanation:

15 x 1.4 = 21

Multiply by 1 to keep the original price, plus 0.4 for the 40%

7 0
2 years ago
What is 5/6 + 2/5 in its simplest form
kari74 [83]

Answer:

1) 5/6 + 2/5 = 37/30   2) 1/6 - 1/10 = 1/15

Step-by-step explanation:

1) 5/6 + 2/5

  25+12/30

  = 37/30

2) 1/6 - 1/10

   5-3/30

   2/30

   simplify the fraction

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5 0
4 years ago
URGENT I NEED ANSWER WITH WORK
sergeinik [125]
Answer: 250 students.
Step-by-step explanation:
Let x students in 6th grade either purchased their lunch or brought their lunch from home on Monday.
According to the question,
24% of the students purchased their lunch.
⇒ (100-24)% of the student brought their lunch from home.
⇒ 76 % of the student brought their lunch from home.
But, Again according to the question,
190 students brought their lunch from home.
⇒ 76 % of x = 190

⇒ x = 250
Therefore, there are total 25 students in the 6th grade.
6 0
3 years ago
write an equation that would allow you to solve the following problem. mart'a jump rope is 10 inches shorter than 3 times the le
mars1129 [50]

Answer:

Step-by-step explanation:

m=marta's rope

d=dilbert's rope

3d-10=m

m+d=120

Then you can substitute equation 1 into the second one

(3d-10)+d=120

3d-10+d=120

4d-10=120

4d=130

d=32.5

m+d=120

m+32.5=120

m=120-32.5

8 0
4 years ago
For the function whose graph is shown, which is the correct formula for the function?
PtichkaEL [24]
A because the y intercept is -1, and the function is absolute value
6 0
3 years ago
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