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worty [1.4K]
2 years ago
8

Help me Pleaseeeeeee!!!!!!!!!!!!

Mathematics
1 answer:
Ostrovityanka [42]2 years ago
6 0

Answer:

I don't know

Step-by-step explanation:

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Does 2, 5, and 7 make a right triangle
MakcuM [25]

Answer:  No, we don't have a right triangle

==========================================================

Explanation:

If a triangle with sides a,b,c makes the equation a^2+b^2 = c^2 true, where c is the longest side, then this triangle is a right triangle. This is the converse of the pythagorean theorem.

Here we have a = 2, b = 5 and c = 7.

So...

a^2+b^2 = c^2

2^2+5^2 = 7^2

4+25 = 49

29 = 49

The last equation is false, so the first equation is false for those a,b,c values. Therefore, we do <u>not</u> have a right triangle.

------------

In contrast, consider the classic 3-4-5 right triangle

a = 3, b = 4 and c = 5 would make a^2+b^2 = c^2 true because 3^2+4^2 = 5^2 is a true equation (both sides lead to 25).

6 0
3 years ago
A man pays a total of 4800 in flat rental for 3 months. find the man monthly rental rate.
Elza [17]

Answer:

<u>1,600</u>

Step-by-step explanation:

divide the total money by the time to get unit rate such as 4800 divided by 3 equals <u>1600</u>

Also can you give brainliest to all of your questions bc it really hard to get brainliest and it be really nice you can choose who i dont really care but just please do it it helps a lot

3 0
3 years ago
Please help me Will mark brainiest
astraxan [27]
For the volume of triangular prism, volume = 0.5xaxbxc
=0.5x10x7x6
=210cm^3
4 0
3 years ago
Read 2 more answers
WHAT DOES THIS MEAN I DONT UNDERSTAND
Art [367]

Answer:

the goal is to try and get x alone. For the 1st problem, x=3.

Step-by-step explanation:

3x + 1 = 10      Subtract 1 both sides to cancel out the 1 on the left side. 10-1 = 9

3x = 9             To get x alone here, Divide 3 on both sides. 9/3 = 3

x = 3                Now x is alone, which means x = 3.

This is right because if you plug x with 3, the sum = 10.

(3*3) + 1 =10

9 + 1 = 10

So, that's how you know 3 is the right answer.

3 0
2 years ago
How many solutions does the system have? Y=-2x-4 y=3x+3
Fudgin [204]

Answer:

1

Step-by-step explanation:

Since they are not parallel nor the same line, they have 1 intersecting point, which is the solution.

If they were parallel, they would have no solution.

If they were the same line, they would have infinite solutions.

5 0
3 years ago
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