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Veseljchak [2.6K]
3 years ago
14

Daniel has saved $120. This is 80% of the money he needs to buy a new skateboard.

Mathematics
1 answer:
Scrat [10]3 years ago
6 0

Answer:

KSNXKSNOWOZKANZKSXKWNXKWBX

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I will mark Brainliest and 5 s.
qwelly [4]

Answer:

Part 1) The rate of change of the linear function is \frac{1}{3}

Part 2) The initial value is -4

Step-by-step explanation:

Part 1) Find the rate of change

we know that

The rate of change of the linear function is the same that the slope of the linear function

To determine the slope we need two points

Looking at the graph

take the points (0,-4) and (3,-3)

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

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

substitute the values

m=\frac{-3+4}{3-0}

m=\frac{1}{3}

therefore

The rate of change of the linear function is \frac{1}{3}

Part 2) Find the initial value

we know that

The initial value or y-intercept is the value of y when the value of x is equal to zero

Looking at the graph

when the value of x is equal to zero

The value of y is equal to -4

so

The y-intercept is the point (0,-4)

therefore

The initial value is -4

7 0
3 years ago
If you were to randomly survey 1,000 people at a local grocery store about their use of corrective lenses, would this be a valid
gayaneshka [121]
You would probably need a little larger sample of people because not all people wear corrective lenses. In almost any other survey, this would be a scientist’s dream, but in this one, you’d need it to be a little bigger.
7 0
3 years ago
Read 2 more answers
Need some help with this. 20 points! :D<br><br> Help is much appreciated. :D
Fittoniya [83]
I did it but I don’t know how to put the picture
4 0
2 years ago
Which best describes a triangle with side lengths of 3 inches 4 inches and 8 inches
Ivahew [28]

Answer:

A 3 x 4 x 8 inch triangle

Step-by-step explanation:

duh

6 0
4 years ago
Linda shoots an arrow at a target in an archery competition. The arc of the arrow can be modeled by the equation y= -0.02x to th
rusak2 [61]

Answer:

37.8metres

Step-by-step explanation:

The arc of the arrow can be modeled by the equation:

y=-0.02x²+0.65x+4

Where x is the horizontal distance (in meters) from Linda and y is the height (in meters) of the arrow.

The arrow hits the ground when its height (y) is zero.

Therefore, we determine the value(s) of x for which:

y=-0.02x²+0.65x+4=0

Using a calculator to solve the quadratic equation:

x=37.79 or -5.29

Since the distance cannot be a negative value, we ignore -5.29.

The distance from Linda when the arrow hits the ground is 37.8metres (to the nearest tenth)

7 0
3 years ago
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