What is the slope of the line ? O 1/4 O 8/17 O 4 O 6

Mathematics

1 answer:

Olegator [25]3 years ago

6 0

The slope is 4.
Using rise over run, the line goes up 24 and right 6. This means the equation is 24/6 which equals 4.

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I need help fast alot of points

nataly862011 [7]

The last one is the answer

7 0

3 years ago

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A diamond ring increases in value at a rate of 5% per year. If the ring was purchased for $1200, which equation would calculate

Margarita [4]

Answer:

A - y = 1200(1+.05)^30

Step-by-step explanation:

In this case, you need to calculate the future value and the formula to calculate that is:

FV=PV*(1+r)^n

FV=future value

PV=present value

r=rate

n=number of periods of time

The present value would be the price of the ring which is $1200. The rate is 5% per year and the number of periods of time is 30 years since you need to find the ring's worth in 30 years. Now, you can replace the values on the formula:

FV=1200*(1+0.05)^30

According to this, the answer is that the equation to calculate how much will it be worth in 30 years is: y = 1200(1+.05)^30.

8 0

3 years ago

Ms. Wang is shopping for a new refrigerator. Brand A costs $569 and uses 635 kilowatt-hours per year. Brand B costs $647 and use

katen-ka-za [31]

Answer:

Savings on electricity per year by brand B = 114.3 - 104.76 = $9.54

Step-by-step explanation:

Ms. Wang is shopping for a new refrigerator. Brand A costs $569 and uses 635 kilowatt-hours per year. Brand B costs $647 and uses 582 kilowatt-hours per year.

Let's assume he buys brand B, so he already has a loss over the price of the commodity that is , loss = 647 - 569 =$78

Cost of electricity = $0.18

Now in the case of electricity,

spending on Brand A = 635 $\times$ 0.18 = $114.3

spending on Brand B = 582 $\times$ 0.18 = $104.76

Savings on electricity per year by brand B = 114.3 - 104.76 = $9.54

5 0

3 years ago

If you vertically compress the linear perent function, F(x) = x, by multiplying by 1\2

andrezito [222]

Answer: $y=\dfrac12 x$ .

Step-by-step explanation:

We know that $a f (x)$ compresses f(x) vertically such that

if 0 < a < 1 (a fraction), the graph is compressed vertically by a factor of a units.
if a > 1, the graph is stretched vertically by a factor of a units.

If we vertically compress the linear parent function, F(x) = x, by multiplying by $\dfrac12$ .