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Marizza181 [45]
4 years ago
10

Which graph best represents the following situation? As x increases, y decreases; r=-0.87.

Mathematics
2 answers:
liberstina [14]4 years ago
8 0

Answer:

Graph A.

Step-by-step explanation:

The X-Axis refers to strictly horizontal movement, so the farther right it moves, the lower the dots should be on the graph because (x+,y-).

sergeinik [125]4 years ago
8 0
Graph A
..hope this helps lol
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The length of a rectangle is 3 more than 3 times its width. The perimeter of the rectangle is 174 inches. What is the length of
saveliy_v [14]

Answer:

<em>l = w + 3cm</em>

<em>l = w + 3cmp = 2l + 2w = 58cm</em>

<em>l = w + 3cmp = 2l + 2w = 58cm </em>

<em>l = w + 3cmp = 2l + 2w = 58cm Solve by substitution:</em>

<em>l = w + 3cmp = 2l + 2w = 58cm Solve by substitution:2l + 2w = 58 ⇒ 2(w + 3) + 2w = 58</em>

<em>l = w + 3cmp = 2l + 2w = 58cm Solve by substitution:2l + 2w = 58 ⇒ 2(w + 3) + 2w = 58⇒ 2w + 6 + 2w = 4w + 6 = 58</em>

<em>l = w + 3cmp = 2l + 2w = 58cm Solve by substitution:2l + 2w = 58 ⇒ 2(w + 3) + 2w = 58⇒ 2w + 6 + 2w = 4w + 6 = 58⇒ 4w = 52 ⇒ w = 13</em>

<em>l = w + 3cmp = 2l + 2w = 58cm Solve by substitution:2l + 2w = 58 ⇒ 2(w + 3) + 2w = 58⇒ 2w + 6 + 2w = 4w + 6 = 58⇒ 4w = 52 ⇒ w = 13 </em>

<em>l = w + 3cmp = 2l + 2w = 58cm Solve by substitution:2l + 2w = 58 ⇒ 2(w + 3) + 2w = 58⇒ 2w + 6 + 2w = 4w + 6 = 58⇒ 4w = 52 ⇒ w = 13 Plug back in:</em>

<em>l = w + 3cmp = 2l + 2w = 58cm Solve by substitution:2l + 2w = 58 ⇒ 2(w + 3) + 2w = 58⇒ 2w + 6 + 2w = 4w + 6 = 58⇒ 4w = 52 ⇒ w = 13 Plug back in:l = (13cm) + 3cm = 16cm</em>

<em>l = w + 3cmp = 2l + 2w = 58cm Solve by substitution:2l + 2w = 58 ⇒ 2(w + 3) + 2w = 58⇒ 2w + 6 + 2w = 4w + 6 = 58⇒ 4w = 52 ⇒ w = 13 Plug back in:l = (13cm) + 3cm = 16cmStep-by-step explanation:</em>

I hope this helps you.

5 0
3 years ago
the value of a plot of land is $18000. Land tax charged at the rate of $0.70 per $100 value. What is the total amount of tax pai
Darina [25.2K]

Answer:

126 $

Step-by-step explanation:

1- 18000 / 100 = 180

2- 180 x 0.7 = 126$

7 0
3 years ago
Read 2 more answers
The double number lines show the ratio of cups to gallons. How many cups are in 3 gallons?
Oksanka [162]

Answer:

48 cups

Step-by-step explanation:

There are 16 cups in a gallon.

16 x 3 = 48

4 0
3 years ago
Struggling to do my math work haha please help. Worth 14 points!!!
NeTakaya

Answer:

C. y = -1/2 + 2

Step-by-step explanation:

First, we need to find the Slope.

Points: ( -4,4) and (8,-2)

Formula: m = y2 - y1/x2 - x1

m = y2 - y1/x2 - x1

m = -2 - 4/8 - (-4)

m = -6/8 + 4

m = -6/12

m = -1/2

Alright, now that we have the Slope, we can now use the Slope Form to find the Slope Intercept Form.

Point: (8,-2) (You may choose any points, but I would like to choose these for no reason)

Slope: -1/2

Formula: y - y1 = m(x - x1)

y - y1 = m(x - x1)

y - (-2) = -1/2(x - (8))

y + 2 = -1/2x + 4

y = -1/2 + 4 - 2

y = -1/2 + 2

The Slope Intercept Form is: y = -1/2 + 2

5 0
3 years ago
At the movie theatre, child admission is $5.40 and adult admission is $8.70 . on friday, 159 tickets were sold for a total sales
blondinia [14]
Alright this is gonna be a long one

Lets called child tickets x and adult tickets y 

so x + y should be equal to 159 since they said that the total sum of the tickets is 159 
so thats your first equation : x + y = 159

next form an equation using the prices, 
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now that you have your two equations, just substitute the first into the second (you could either substitute for x or y by saying x = 159-y or that y=159-x)

Hope this helps.
7 0
3 years ago
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