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PSYCHO15rus [73]
3 years ago
5

A triangle can be formed with side lengths 3 in, 5 in, and 9 in.

Mathematics
2 answers:
Lelu [443]3 years ago
8 0

The Triangle sides have to be greater than c.

a+b > c

With the given inches, substitute it into the equations:

a = 3 in

b = 5 in

c = 9 in

3 + 5 > 9

Solve.

9 > 9

This is False since because a + b is not > c. a + b is equal to c.

sattari [20]3 years ago
3 0

Yes, it would be a scalene triangle. This can happen.

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<img src="https://tex.z-dn.net/?f=f%28x%29%3D%7C3x-5%7C%2B7x%5C%5Cg%28x%29%3D-2x%2B9%5C%5Cwhat%20is%20%5C%5C%20%28f%2Bg%29%28x%2
Sergio [31]

Given:

The functions are:

f(x)=|3x-5|+7x

g(x)=-2x+9

To find:

The function (f+g)(x).

Solution:

We have,

f(x)=|3x-5|+7x

g(x)=-2x+9

We know that,

(f+g)(x)=f(x)+g(x)

On substituting the values of given functions, we get

(f+g)(x)=|3x-5|+7x+(-2x+9)

(f+g)(x)=|3x-5|+7x-2x+9

(f+g)(x)=|3x-5|+5x+9

Therefore, the required function is (f+g)(x)=|3x-5|+5x+9.

7 0
3 years ago
In 12 hours, the temperature fell steadily from 17degrees to -7degrees f. what was the average change in temperature per hour?
Zarrin [17]
If the temperature changed from 17 degree F to -7 , the change was
17+7=24 degrees F
the average change was 24/12=2 , 2 degrees per hour 
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7 0
3 years ago
Please help if been stuck on this problem for forever​
Sedbober [7]

Answer:

the answers are:x1=-4 and x2=5

6 0
3 years ago
PLEASE HELP ME
monitta

Answer:

b

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Organize your data and find the rate of change.
LuckyWell [14K]
A .E is 7 inches for the left arm
E is 8 1/2 inches for the left foot
the inputs look like the length of the arm (ie x) the outputs are the length of the foot 
<span>rate of change=<span>change in y change in x</span></span> use the data you gathered or this equation they give you  = 0.860 •  + 3.302


B. find the difference in y, then the difference in x, then divide (y over x) to get the slope
8-7/7 1/2-6 1/2 = 1/1 =1

C.you plug in any (x,y) point you used to find the slope
Solve for B
y = mx+b y = 1*x + b 7.5 = 1*8 + b b =
7.5 - 8 = -0.5
<span>y = x - 0.5</span>

Hope this helps




8 0
3 years ago
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