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3 years ago

Find the circumference of the circle. Use π=3.14

Mathematics

1 answer:

borishaifa [10]3 years ago

5 0

There is no picture or diameter/radius measurements, therefore this question cannot be answered properly.

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Which side lengths form a right triangle?<br> Choose all answers that apply:

kkurt [141]

Answer:

All 3 are right triangles.

Step-by-step explanation:

In a right triangle c^2 = a^2 + b^2 where c is the longest side. ( by Pythagoras).

a) 3^2 = 9, 6^2 = 36 and √27 ^ 2 = 27

36 = 9 + 27

So this is a right triangle.

17^2 = 289, 15^2 = 225 and 8^2 = 64

289 = 225 + 64

Also right triangle.

c) √50 ^ 2 = 50, 5^2 = 25 and 5^2 = 25

So also right triangle.

3 0

1 year ago

PLEASE HELP ANSWER THIS QUESTION I DON'T KNOW IT AT ALL

Lena [83]

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

Answer:

Is y = 4x - 7 a linear function?
Is y = 6x² - 1 a linear function?
Is y = $\frac{1}{2x}$ + 10 a linear function?

Step-by-step explanation:

Yes it is - when you graph this equation, it results in a [straight] line, signalling that it is a linear function.
No it's not - when you graph this equation, it results in a v- kinda shape on the graph. Linear functions are [straight] lines on a graph, and this line wasn't straight. In fact, this wasn't even a line.
No it's not - when you graph this equation, it results in a bend at the origin. The line on the graph is not straight, so this is not a linear equation.

For the graphs -

The first one represents the linear function [y = 4x - 7]

The second one (that looks like an L) represents the last not linear function [y = $\frac{1}{2x}$ + 10]

The third one (that looks like a V) represents the first not linear function [y = 6x² - 1]

I HOPE THIS HELPS!

6 0

2 years ago

A bag contains four balls. one is blue, one is white and two are red. someone draws two balls at random from the bag. he looks a

Andrew [12]

There is a 1/3 chance or 33% chance that the other ball is also red.

8 0

3 years ago

Carrie and Krystal are taking a road trip from Greenville to North Valley. Each person has her own map, and the scales on the ma

olga55 [171]

On Carrie's map, Greenville and North Valley are 90 miles away from each other. On Krystal's map they are 81 miles away from each other.

4 0

3 years ago

Select the slope-intercept form of an equation for a line with y-intercept -2 and slope 6.<br>

ozzi

Answer:

y = 6x - 2

Step-by-step explanation:

slope intercept form is y = mx + b

m = slope

b = y-intercept

They give us the slope (m) which is 6 and the y-intercept (b) which is -2. PLug it into the equation

y = mx + b

y = 6x - 2

3 0

3 years ago