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lord [1]
3 years ago
12

Which of the following gives a valid reason for using the given solution method to solve the system of equations shown?

Mathematics
1 answer:
VikaD [51]3 years ago
8 0

Answer:

C

Step-by-step explanation:

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Using n = 3.14, find the area of a circle with a radius of 16.
KATRIN_1 [288]

Answer:

803.84=A

Step-by-step explanation:

The area of a circle can be found by using the equation \pi r^{2}=A.

\pi r^{2}=A

(3.14)(16^{2})=A

(3.14)(256)=A

803.84=A  and the units are, how ever the radius is measured cubed

8 0
3 years ago
Can anyone answer these two questions for me ?
Nookie1986 [14]

Answer:

9. A and 11. c

Step-by-step explanation:

I hope this helps

8 0
3 years ago
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Can someone please explain how to solve it ?? ​
Alik [6]

if we look on one side, we already have one measurement. 4 cm. ok, that's the measurement on that side. look to the left now. that other side is also the same length, so we take that number and multiply it be 2 to get

4 \times 2

Wait! we're not done yet. look at the top. do you see the 3? well that's the width for the top of the rectangle. the bottom must be the same to right? so we get

3 \times 2

add both equations and you get

(4 \times 2) + (3 \times 2)

The answer is 14cm! Don't forget to label. ;)

8 0
3 years ago
The diagonals of kite KITE intersect at point P. If m A. 34°<br> B. 46°<br> C. 68°<br> D. 92°
JulijaS [17]

Answer:

The diagonal of kite intersect at the point p is C. 68°

7 0
3 years ago
If g(x)= square root of 3-5x, find the domain of g'(x).
BaLLatris [955]

Answer:

domain: x>3/5

Step-by-step explanation:

First we need to derive our function g(x) to get a new function g'(x)

To do this we will have to apply chain rule because we have an inner and outer functions.

Our G(x) = square root(3-5x)

Chain rule formula states that: d/dx(g(f(x)) = g'(f(x))f'(x)

where d/dx(g(f(x)) = g'(x)

g(x) is the outer function which is x^1/2

f(x) is our inner function which is 3-5x

therefore f'(x)= 1/2x^(-1/2) and f'(x) = -5

g'(f(x)) = -1/2(3-5x)^(-1/2)

Applying chain rule then g'(x) = 1/2 (3-5x)^(-/1/2)*(-5)

But the domain is the values of x where the function g'(x) is not defined

In this case it will be 3-5x > 0, because 3-5x is a denominator and anything divide by zero is infinity/undefined

which gives us x >3/5

5 0
3 years ago
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