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igomit [66]
3 years ago
11

Graph the equations to solve the system. y=2x-5 1/2y=x-5/2

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
8 0

Answer:

all real numbers

Step-by-step explanation:

solution: all real numbers

these are the same equation

we can figure this our by multiplying the second equation by 2

so then it would come out to be

y=2x-5 as well

i attached the graph,

-5 is the y intercept and 2 is the slope since it is in slope intercept form

y=mx+b

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3x+2(x-1)=9x=4
We move all terms to the left:
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We add all the numbers together, and all the variables
-6x+2(x-1)=0
We multiply parentheses
-6x+2x-2=0
We add all the numbers together, and all the variables
-4x-2=0
We move all terms containing x to the left, all other terms to the right
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5 0
3 years ago
The width of a rectangle is 7 inches less than its length. The area of the rectangle is 120 square inches. Solve for the dimensi
kramer

width= 8

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(8x15= 120 and 8 is 7 less than 15)

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3 years ago
Which of the following sets of numbers could be the lengths of the sides of a triangle?
kicyunya [14]

Answer is C. 8, 3, 6

To answer this, you must know the Triangle Inequality Theorem.

The two shortest sides when added together, must be greater than the longest side.

A. 2 + 4= 6 which can't work since it equals the longest side of 6

B. 4 +2=6 The sum would be less than 8, which doesn't work

C. 6 +3 = 9 the sum is greater than 8, which makes it a triangle

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8 0
3 years ago
Read 2 more answers
2x + y = -4<br> 2x + 3y = 4
kirill115 [55]

Answer: x=4 ; y=<u> -4</u>

                            3

Step-by-step explanation:

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

2x + 3y = 4

-6x-3y=12

<u>2x + 3y = 4</u>

4x=16

x= <u>16</u>

    4

x=4

2x + 3y = 4

2.4+3y=4

8+3y=4

3y= -8+4

y=<u> -4</u>

   3

7 0
3 years ago
A Chevy Malibu has a fuel capacity of 18.5 gallons. This vehicle averages 666 miles per tank. Assume the relationship between fu
Nuetrik [128]

Answer:

180 miles

Step-by-step explanation:

Step one:

capacity of tank= 18.5gallons

vehicle averages 666 miles per tank.

Hence, the vehicle can travel 666 miles on 18.5 gallons

Required

The distance covered on 5 gallons

Step two:

vehicle can travel 666 miles on 18.5 gallons

the vehicle will go x miles on 5 gallons

cross multiply we have

5*666= 18.5*x

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divide both sides by 18.5

x= 3330/18.5

x=180 miles

5 0
3 years ago
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