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kirza4 [7]
3 years ago
10

Solve for x. -2(5x+4)-3x+3=-18

Mathematics
1 answer:
Maslowich3 years ago
5 0

Answer:

x=1

Step-by-step explanation:

-2(5x+4)-3x+3=-18

Distribute the -2

-10x -8-3x+3 = -18

Combine like terms

-13x -5 = -18

Add 5 to each side

-13x-5+5 = -18+5

-13x=-13

Divide by -13

-13x/-13 = -13/-13

x =1

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the slope of line PQ is m= 1/4. find the equation of the line that is parallel to line PQ and that has the y intercept b= -3
nevsk [136]
For this case we have that the generic equation of the line is given by:
 y = mx + b

 Where,
 m: slope of the line
 b: intersection with the y axis.
 Since the line is parallel to PQ, then the slopes are equal.
 We have then:
 m = 1/4.

 On the other hand we have:
 b = -3

 Substituting values we have:
 y = (1/4) x - 3
 Answer:
 The equation of the line that is parallel to line PQ and that has the and intercept b = -3 is:
 y = (1/4) x - 3
4 0
3 years ago
Scott needs to mail a USB drive to a friend. He uses 41-cent stamps and 8-cent stamps to pay $1.87 in postage. How many of each
Brrunno [24]

Answer:

4 41cent stamps would be $1.64/ 3- 8 cent stamps would be 23 cents/ $1.64 + 23= $1.87

Step-by-step explanation:

6 0
2 years ago
I'm really confused on this one please answer !!!!!!!
Sedbober [7]
The formula for finding the area of a rug: A = s^2

Plugging in the values we know, we can solve for s.

79 = s^2

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4 0
2 years ago
How do i do this some one please explain
Talja [164]

Well since we already have our unit per mile.

We know that 1 mile = $3.50

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2 years ago
400 people were asked if they liked their school lunch.10% said yes. 32 of those that said yes were boys.152 of those that were
lbvjy [14]

Using proportions, considering the total number of students, it is found that 216 boys to linking their school lunch.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, 400 - 152 = 248 boys were surveyed. 32 said they liked the school lunch and 248 - 32 = 216 said no liking their school lunch.

More can be learned about proportions at brainly.com/question/14398287

#SPJ1

6 0
1 year ago
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