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dem82 [27]
3 years ago
9

Add (-2x + 4) + (4x + 6)

Mathematics
1 answer:
Lostsunrise [7]3 years ago
3 0

Answer:

2x+10

Step-by-step explanation:

Take away parentheses

-2x+4+4x+6

combine -2x+4x and 4+6

2x

2x+10

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Find the value of x, y, and z
sladkih [1.3K]

Answer:

  (x, y, z) = (7, 9, 90)

Step-by-step explanation:

The two acute angles between l1 and l2 are vertical, so congruent.

  (9x -7) = 8x

  x = 7 . . . . . . . . . add 7-8x

These are supplementary to the obtuse angle between those lines:

  8(7) + (13y +7) = 180

  13y = 117 . . . . subtract 63

  y = 9 . . . . . . . divide by 13

The angle marked z is supplementary to the angle marked as a right angle.

  z + 90 = 180

  z = 90

5 0
3 years ago
The video store rent movies for $4.50 the first day there is a $2.50 charge for each additional day, d. write an expression that
Furkat [3]

Answer:

M=4.5+2.5d

Where m is the money and d is the additional day

Step-by-step explanation:

The 4.5 is always going to be there since that’s the starting rent. The 2.5 is how much is charged every additional day,

EXAMPLE

If we test it out and say there are two additional days we have.

4.50$ for the first day charge

2.50*2 =5for the extra two days

So

4.50+5=9.5

:D

8 0
3 years ago
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You have recorded your car mileage and gasoline use for 5 weeks. Estimate the number of miles you can drive on a full 15-gallon
Zepler [3.9K]

Answer:

I think its 21.6 or 22 (Mostly 21.6 though) Sorry if its not right but i'm mostly sure of it like this!

4 0
3 years ago
What is the y-intercept of f(x)=3/5x<br> a. (1, 0)<br> b. (1, 3/5)<br> c. (0, 0)<br> d. (0, 1)
Digiron [165]
Answer
F(0)=0

I can put the work in the comments if you need it :)
4 0
3 years ago
Help me please teachers trying to give me 8th grade problems
Bezzdna [24]

Answer:

x = 2

Step-by-step explanation:

Used a scientific calculator.

5 0
3 years ago
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