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o-na [289]
3 years ago
9

What is the point slope form of a line with slope 3 that contains the point (2,1)

Mathematics
1 answer:
Mice21 [21]3 years ago
7 0

Answer:

y - 1 = 3 ( x - 2)

Step-by-step explanation:

The formula for point slope form is y-y1=m(x-x1)

Just substitute the given information into the equation to get your answer.

(reminder m=slope, y1=the given y value, x1= the given x value)

HOPE THIS HELPS

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Tom throws a ball into the air.
hram777 [196]
<span>h = -8t² + 40t

dh/dt = 0
⇒ d/dt(</span><span>-8t² + 40t) = 0
⇒ -16t + 40 = 0
⇒ 16t = 40
⇒ t = 40/16 = 2.5s

So it takes 2.5 seconds to reach highest point

h = -8×2.5² + 40×2.5 = -50 + 100 = 50
Ordered pair: (h,t) = (50,2.5)
</span>
6 0
3 years ago
The drawing is a scale drawing of a house.
Alborosie

Answer: 20.25ft

1. Find what 8 inches in scale equal for the height of the house.

we will do this step by multiplying.

2in=4.5

8=?

to find...

2x4=8

so

4.5x4=18

2. Find what 1 inch on the scale is equal to for the height of the house.

we will do this by dividing 4.5 by 2

4.5/2=2.25

3. Add both the values for step 1 and 2.

we will do this by just adding them both

18+2.25=20.25

<h2>Why is this our answer?</h2>

This is our answer, because first we found the value of 8 inches on the scale, which means that we are finding almost the full value of the 9 inches of the height of the house, then, we found 1 inch because 9-8=1, so if we already found 8, which is a number in the table of 2, we found out 1 so that we can add it with 8 to find the value of 9in on the scale. In this way, after adding, that gives us the value of 9in on the scale!

My gratitude attitude - THANKS!

3 0
2 years ago
Use algebraic rules of equations to predict the solution to the system of equations. Include all of your work for full credit.
bezimeni [28]
Use substitution
x+(2x-1)=-4
3x-1=-4
3x=-3
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7 0
3 years ago
Find the value of x in the triangle above please help ASAP!!
Veronika [31]
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4 0
3 years ago
Need help with 9 (a and b) plzzzz
Yanka [14]
A) is 0.83 and idk how to do b)
8 0
2 years ago
Read 2 more answers
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