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Alex73 [517]
3 years ago
5

Use the graph of the line to answer each question.

Mathematics
1 answer:
Mariulka [41]3 years ago
8 0

The y intercept (b) is where is crosses the y axis = 5

The x intercept is where is crosses the x axis = 4

The slope is rise over run  or y2 - y1/x2 - x1

m = 0 - 5/4 - 0

m = -5/4

y = mx +b

y = -5/4x + 5

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Refer to the equation 2x − 3y = 18.
Mice21 [21]

There is the table. <3

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Diego needs to put down sod on a yard that measures 30 feet by 45 feet. Company A says it can do the job for $3.90 per roll of s
N76 [4]

Answer:

Company B is the better deal. Diego will save $31.5.

Step-by-step explanation:

First, find the area of the rectangle: 45*30=1350 sq.ft.

Next, find out how much it will cost for Company A: $3.9 for 2 x 5 ft (10 sq.ft)

Divide 1350 by 10 to see how many of their sod rolls will fit into his yard=135.

Multiply $3.9 by 135=526.5$

Do the same with Company B: $150 for 450 sq.ft plus $45 delivery.

Dived 1350 by 450 to see how many rolls= 3

Multiply $150 by 3= $450, then add $45= $495

Subtract Company B's $495 from Company A's $526.5= $31.5 <-how much Diego saved.

7 0
3 years ago
What is the equation of the line in slope intercept form through (-5,-3) and (6,1) ?
erastovalidia [21]

y - y1 = m (x - x1)

where m is the slope and (x1 , y1) is the point given

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

we have  <span>(-5,-3) and (6,1)

so: m = (1- -3) / (6- -5) = (1+3)/(6+5) = 4/11

and the equation of the line is:
</span>y - y1 = m (x - x1)
y-1 = 4/11 (x-6)

simplify:

y = 4/11 x - 24/11 +1

y= \frac{4}{11} x -  \frac{13}{11}

I hope that helps!



8 0
3 years ago
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UkoKoshka [18]

Answer: A = 600(0.87^{h})

Step-by-step explanation:

The rate = 13% = 0.13

Let I be the initial value = 600 mg

The Equation will be

A = I (1 - R%)x^{h}

A = 600( 1 - 0.13)x^{h

A = 600(0.87^{h})

5 0
3 years ago
Renata wins a $20 gift card to an online music site. After Renata purchases 16 songs, the gift card has a remaining balance of $
sukhopar [10]
16 songs for $ 20.....20/16 = $ 1.25 per song

y = 20 - 1.25x <== ur equation
7 0
3 years ago
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