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tia_tia [17]
3 years ago
14

Determine whether the given length can be side lengths of a right triangle. 12m, 60m, 61m

Mathematics
1 answer:
Ne4ueva [31]3 years ago
3 0

Answer:

No

Step-by-step explanation:

Using the converse of Pythagoras' identity.

If the longest side squared is equal to the sum of the squares of the other 2 sides then the triangle is right.

The longest side = 61, thus

61² = 3721

12² + 60² = 144 + 3600 = 3744 ≠ 3721

Thus these sides do not form a right triangle.

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The drama club is having a car wash as a fundraiser. They wash x cars at $5 each
Galina-37 [17]

<u>Answer:</u>

x + y ≥ 26 + 15

5x + 8y ≥ 250 (see below)

Step-by-step explanation:

First, write an equation to represent the total cost to wash cars:

$5x = cost for cars

Then, write another for trucks:

$8y = cost for trucks

If the question is saying that they will wash at least 26 cars and 15 trucks, that means they could wash more. This means that we'll need an inequality:

This inequality represents that the total number of cars and trucks they wash will be at least—which means that it is equal to or greater than—than the amount given:

x + y ≥ 26 + 15

Any equation or inequality with two unknowns is not solvable, meaning we need a system of equations:

If they make at least $250, that means that we need to combine the costs of the cars and trucks to make an inequality:

5x + 8y ≥ 250

Now you have your system of equations:

x + y ≥ 26 + 15

5x + 8y ≥ 250

8 0
3 years ago
42 is 8% of what number
Setler [38]
8%=0.08
42÷0.08=525
So your answer is 525
7 0
3 years ago
Read 2 more answers
PQRS is a parallelogram. Answer the questions below.
abruzzese [7]

Answer:

4. SR= 17 (opposite angle of parallogram are equal)

8 0
3 years ago
Use multiplication to write 2 + 2 + 2 +<br> 2+2.
Katena32 [7]
2 x 5
2+2+2+2+2= 10
2 x 5= 10
8 0
3 years ago
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What is the constant of proportionality for y=4.7x?
adell [148]

Answer:

4.7

Step-by-step explanation:

Given equation y=4.7x

constants of proportionality = y/x

so, y/x = 4.7

therefore, answer is 4.7

5 0
3 years ago
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