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Gekata [30.6K]
3 years ago
7

A triangle has sides with lengths of 45 miles, 60 miles, and 75 miles. Is it a right triangle?

Mathematics
1 answer:
scoundrel [369]3 years ago
4 0

Answer:

it is a right triangle

Step-by-step explanation:

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The model represents an equation. What value of x makes the equation true?
Slav-nsk [51]

Answer:

A) 29/8

Step-by-step explanation:

On the left side of the equals sign, we have five x's and nine -1's.

On the right side of the equals sign, we have three -x's and twenty 1's.

Both sides are equal, so:

5(x) + 9(-1) = 3(-x) + 20(1)

5x − 9 = -3x + 20

Add 3x to both sides.

8x − 9 = 20

Add 9 to both sides.

8x = 29

Divide both sides by 8.

x = 29/8

5 0
4 years ago
5+9(m+5)+8 I dont understand the question may you guys explain
viva [34]

Answer:

Simplify

Step-by-step explanation:

You have to simplify the question:

= 5+9m+45+8

= 50+9m+8

= 58+9m

5 0
3 years ago
Read 2 more answers
Rapunzel cut off \dfrac23
Slav-nsk [51]





It is asking what 7/8 of 2/3 is. The "of" means you need to multiply. 7/13 is the answer.

8 0
3 years ago
Alvin's age is two times Elga's age. The sum of their ages is 33. What is Elga's age?
Marina CMI [18]

Answer:Elga is 11 because 3 times 11 = 33.


Step-by-step explanation:


4 0
3 years ago
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All the given quadrilaterals in the picture on the right are squares and #1 ≅ #3, #2 ≅ # 4. find the area of the shaded region,
Anika [276]

Answer:

Step-by-step explanation:

If you have a square of side l, its diagonal would be l\sqrt{2}, and its area l^2

If the big square has a area of 900, this implies that its side is \sqrt{900}, so the two diagonal of squares 2 and 4 added together would be \sqrt{900}, therefore one diagonal wold be \frac{\sqrt{900}}{2}. and its side \frac{\sqrt{900}}{2}\frac{1}{\sqrt{2}}. The area (of one square) is (\frac{\sqrt{900}}{2}\frac{1}{\sqrt{2}})^2=\frac{225}{2}

finally the two areas combined (squares 2 and 4) would be 225

6 0
3 years ago
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