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defon
2 years ago
12

I need help with this ASAP!!!

Mathematics
1 answer:
ANTONII [103]2 years ago
3 0

Answer:

y=-4x-6

Step-by-step explanation:

It jwust is mwannn

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The equation 125 + 37.52x = y models the amount of money in your wallet Y is the total amount of dollars and x is the number of
Slav-nsk [51]

The given equation is 125+37.52x=y, where y is the total amount of dollars and x is the number of weeks

This equation can be re-write as y=37.52x+125

Yes, this equation is in slope-intercept form y=mx+c having a slope, m=37.52 and the intercept, c=125.

Now, check the units,

In equation y=mx+c, units of all the three terms, i.e y, mx and c, are same.

As given that unit of y is dollar, so the unit of c is dollar and unit of mx is also dollar.

As the unit of mx is dollar, so the unit of m is dollar/unit of x.

As given that the unit of x is week, so the unit of m is dollar/week.

Therefore, the y-intercept, c= 125 dollars, and m=37.52 dollar/week.

The unit of the slope is dollars/week, so, the slope of the equation represents the rate of change of money in the wallet per week.

From the graph of the equation, y-intercept, c=125 dollars, is the value of y at x=0 which is the initial amount of money in the wallet.

4 0
2 years ago
18. Emma works 16 hours per week during the summer. At this rate, how many hours will she work in 12 weeks? * A. 192 hours B. 18
miskamm [114]
\dfrac{16 \textrm{ hours} }{ \textrm{week}} \times 12 \textrm{ weeks} = 192 \textrm{ hours}

Choice A

3 0
3 years ago
Depreciation is the decrease or loss in value of an item due to age, wear, or market conditions. We usually consider
kiruha [24]

Answer:

Part A) V(t)=-5,750t+101,250

Part B) \$55,250

Step-by-step explanation:

Part A) Express the value of the bulldozer, V, as a function of how many years old it is, t.

Let

V ----> the value of the bulldozer (dependent variable or output value)

t ----> the number of years (independent variable or input value)

we know that

The linear function in slope intercept form is equal to

V(t)=mt+b

we have the ordered pairs

(0,101,250) and (15,15,000)

Find the slope

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute

m=\frac{15,000-101,250}{15-0}

m=-\$5,750\ per\ year ----> is negative because is a decreasing function

The value of b is the initial value

so

b=\$101,250

substitute

V(t)=-5,750t+101,250

Part B) The value of the bulldozer after 8 years is

For t=8 years

substitute the value of t in the linear equation

V(t)=-5,750(8)+101,250=\$55,250

4 0
2 years ago
A parabola and it’s directrix are shown on the graph. What are the coordinates of the focus of the parabola?
Svetllana [295]

Answer:

a. (0,2)

Step-by-step explanation:


5 0
2 years ago
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Members of the theater club sold tickets for the spring
Tpy6a [65]

so basically what i was thinking of was they sold them in the spring

8 0
3 years ago
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