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Alex73 [517]
2 years ago
9

If the perimeter of the rectangle is 52 inches, find the value of x -

Mathematics
1 answer:
irinina [24]2 years ago
4 0

Answer:

25/4

Step-by-step explanation:

perimeter is total length of all side

height =2(x+2) (×2 bcause has 2 side)

length =2(3x-1) (×2 bcause has 2 side)

2x+4+6x-2=52

8x-2=52

8x=50 (8x is 8 times x, so move to the other side become divide)

x=50/8

simplify

x= 25/4

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Which ordered pair would form a proportional relationship with the point graphed below?
jolli1 [7]

Answer:

(5, 20)  

Step-by-step explanation:

We can find the slope of the line

m = (y2-y1)/(x2-x1)

    = (40-0)/(10-0)

    = 40/10

    =4

Since the line goes through (0,0) the y intercept is 0

y = mx+b

y = 4x

Lets check the points  by substituting into the equation

40, 10)     10 = 4*40   10 =160  no

(–5, –10)    -10 = 4*-5    10 = -20   no

(5, 20)       20 = 4*5    20 = 20  yes

(–10, –20)    -20 = 4*-10    -20 = -40   no

4 0
2 years ago
Read 2 more answers
I need some help! I will try to give brainliest
Vikki [24]
You have to put your first dot on -5 on the y-axis and then from that dot go up 3 and right one and put another dot there. Then go from the dot on -5 and go down 3 and left 1 and put another dot. Then connect the dots with the line
4 0
3 years ago
Read 2 more answers
I need help with this ​
olga nikolaevna [1]

Answer:

I looked it up and it said #3 is an integer #4 is a negitive integer

Step-by-step explanation:

8 0
3 years ago
"Identify the like terms in the expression 10x+5+3x+1." I wasnt paying attention and so I dont know the answer help
loris [4]

Answer:

Simplifying

10x + -5(3x + -1) = 15

Reorder the terms:

10x + -5(-1 + 3x) = 15

10x + (-1 * -5 + 3x * -5) = 15

10x + (5 + -15x) = 15

Reorder the terms:

5 + 10x + -15x = 15

Combine like terms: 10x + -15x = -5x

5 + -5x = 15

Solving

5 + -5x = 15

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5' to each side of the equation.

5 + -5 + -5x = 15 + -5

Combine like terms: 5 + -5 = 0

0 + -5x = 15 + -5

-5x = 15 + -5

Combine like terms: 15 + -5 = 10

-5x = 10

Divide each side by '-5'.

x = -2

Simplifying

x = -2

Step-by-step explanation:

8 0
3 years ago
How does the graph of g(x) = 5x – 3 compare to the graph of f(x) = 5*?
Karo-lina-s [1.5K]

Answer:

the graph is shifted down 3 units

Step-by-step explanation:

5x-3

meaning the original graph of 5x going down three units

3 0
2 years ago
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