3 years ago

Which of the choices is a right triangle ?

1 answer:

4 0

C - because root 80 squared is 80
And 80 = 8 squared + 4 squared
Because of the Pythagorean’s theorem which is c^2 = a^2 + b^2

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What’s the value of the question mark?

ioda

Answer: 15/30 = 5/10

Step-by-step explanation: 5/10 = 1/2 so then you'd have to make 15/ something double it so It would equal 1/2 hope this helps :)

6 0

3 years ago

Two cars are doing a race around a 20-km track. They start from the same place at the same time. The speed of first car is 60 km

Irina18 [472]

Answer:

HELP

Step-by-step explanation:

6 0

3 years ago

During his lunch hour, Matt asked 24 students how many after-school activities they participated in. This list shows the survey

Harlamova29_29 [7]

Answer:

$Ratio = 1 : 6$

Step-by-step explanation:

Given

$n = 24$

Results:

$1, 2, 0, 0, 3, 2, 4, 2, 1, 4, 3, 2$

$1, 1, 2, 1, 0, 3, 3, 2, 4, 1, 1, 0$

Required

Ratio of students not participating to all students

Students not participating are represented with 0;

So, we have:

$n(0)= 4$

The ratio is then calculated as:

$Ratio = n(0) : n$

$Ratio = 4 : 24$

Divide by 4

$Ratio = 1 : 6$

6 0

3 years ago

how do you solve this? it said to be sure to use the correct place value, and I kinda slept in class

goblinko [34]

I assume you want me to solve the equation, 2x + 3 = x - 4

In order to solve this you need to you have to move the terms and then collect the like terms to calculate.

2x + 3 = x - 4

2x -x = -4 - 3

X = -7

Hope this helped!

7 0

3 years ago

Does anyone know how to answer this?? :,((

Juli2301 [7.4K]

4 Ann’s whejwjejenenejejwjwj 6 jdjejwsh 7 s e. Eh7

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3 years ago

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