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atroni [7]
3 years ago
13

1

Mathematics
1 answer:
kiruha [24]3 years ago
7 0

Answer:

y= -2x+13

Step-by-step explanation:

m= -2

m = y2-y1/x2-x1 : y-(5) = -2*(x-(4)) =

y= -2x+13

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If aa skateboard ramp is 15 meters long and it extends 12 meters from the base of the starting point. How high is the ramp?
guapka [62]

The height of the ramp is 9 meter

<u>Solution:</u>

It is given that a skateboard ramp is 15 meters long and it extends 12 meters from the base of the starting point.

If we look at the sum, closely we understand that the ramp is a right angled triangle.

Which has a base length of 12 metres and a hypotenuse of 15 metres.

We need to find its height.

To do so we can use the Pythagoras theorem

Pythagorean theorem, states that the square of the length of the hypotenuse is equal to the sum of squares of the lengths of other two sides of the right-angled triangle.

By above definition, we get

\text {Hypotenuse}^{2}=\text {height}^{2}+\text { base }^{2}

Since we already know the lengths of the hypotenuse and base we can substitute them in the formula and solve for the height.

Let height of the ramp be denoted by ‘h’

\begin{array}{l}{15^{2}=12^{2}+h^{2}} \\\\ {225=144+h^{2}} \\\\ {225-144=h^{2}} \\\\ {81=h^{2}} \\\\ {h=\sqrt{81}} \\\\ {h=9}\end{array}

Therefore, the height of the ramp is 9 meter

3 0
3 years ago
Karel wants to buy a points card for his x-box
scoundrel [369]

Answer:

Both cards are the same value.

Step-by-step explanation:

$10 for 200 points = $5 for 100 points

$15 for $300 points = $5 for $100 points

Both cards are the same value.

4 0
4 years ago
How can you choose values for x when making a table of value representing a real world situation?
coldgirl [10]
You can simply count 0,1,2,3 when zero is your starting point
7 0
3 years ago
Helppp me faststttttt plzzzzz
Sophie [7]

Answer:

Step-by-step explanation:

x + 25 + 4x + 10 = 180

5x + 35 = 180

5x = 145

x = 29

<1 = 29 + 25 = 54

<2= 4(29) + 10 = 116 + 10 = 126

7 0
3 years ago
A) State your null and alternative hypothesis symbolically and in complete sentences.
nordsb [41]

Answer:

cant help if you dont provide the word problem

Step-by-step explanation:

8 0
3 years ago
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