Answer:
x=7 (if your teacher cares it could + or - 7)
Step-by-step explanation:
Okay, since it's a 90 degree triangle you can use the Pythagorean theorem
( a^2 + b^2 = c^2)
Since it's an isosceles triangle the other side is x because it's the same value.
x^2 + x^2= (7
)^2
Add the left side
2x^2= 7^2 +
^2 roots and square roots cancel each other out
So -> 2x^2= 49 x 2 =98
just solve for x.
x^2 = 98/2
x^2= 49
Square root both sides
x= 7
Answer:
The area of the 858 square centimeters.
Step-by-step explanation:
You multiply 33 by 26 and that gives you the area. You can use the equation lw=a
Answer:
The given expressions x+3(7-x) and x+21-3x are equivalent by using the distributive property
Step-by-step explanation:
Given expressions are x+3(7-x) and x+21-3x and also given that they are equivalent
To find for what property the given two expressions are equivalent :
x+3(7-x)=x+3(7)+3(-x)
=x+21-3x ( here we are using the distributive property a(x+y)=ax+ay )
Therefore the given expressions x+3(7-x) and x+21-3x are equivalent by using the distributive property
Step-by-step explanation:
18.84 = 2πr
r = 2.99 round to 3
A = 9π = 28.27
Answer:
Radius = 8.995
Step-by-step explanation:
The Volume formula for a cylinder is:
V= π
h
v= volume
= radius h= height
Since we know everything but the radius, we can use this equation to find it!
First, you need to plug in the values that you have:
282.6= π
(10)
Next, put the height value and pi together
282.6= (10π)
Then, you divide the volume by 10π to make sure that the radius is by itself on one side.
= 
Now plug it into your calculator to get:
8.995= 
And that's your answer!!