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Reika [66]
3 years ago
8

Can someone please help me thank you

Mathematics
1 answer:
Serjik [45]3 years ago
5 0
Answer:

D

Step by step explanation:

You must use the radical expression rule to change the expression, which then becomes D
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nother way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible in
siniylev [52]

Answer:

x,y

Step-by-step explanation:

because it shows range and dange

6 0
3 years ago
How do I find 45% of 320 by multiplying?
Juliette [100K]
1. We assume, that the number 320 is 100% - because it's the output value of the task. 
<span>2. We assume, that x is the value we are looking for. </span>
<span>3. If 320 is 100%, so we can write it down as 320=100%. </span>
<span>4. We know, that x is 45% of the output value, so we can write it down as x=45%. </span>
5. Now we have two simple equations:
1) 320=100%
2) x=45%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
320/x=100%/45%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 45% of 320

320/x=100/45
<span>(320/x)*x=(100/45)*x       - </span>we multiply both sides of the equation by x
<span>320=2.22222222222*x       - </span>we divide both sides of the equation by (2.22222222222) to get x
<span>320/2.22222222222=x </span>
<span>144=x </span>
x=144

<span>now we have: </span>
<span>45% of 320=144</span>
7 0
3 years ago
Read 2 more answers
What is the average rate of change of the function f(x)=2(3)x from x = 2 to x = 4?
ruslelena [56]
X) = 3 ln(x)

g(x=2) = 3 ln(2)
g(x=4) = 3 ln(4) = 3 ln(22) = 6 ln2

We have two ordered pairs:

(x,3 ln(2)) and (4,6 ln(2))

The average rate of change is the slope (m) of the secant line connecting the two points:

m = (6 ln2 - 3 ln2)/(4-2) = 3ln(2)/2 ≅ 1.04
8 0
4 years ago
Read 2 more answers
Please HELP I DONT KNOW WHTA IM DOING!!
trasher [3.6K]
BD is 18

XY is 4

IK is 8

DF is 16
6 0
3 years ago
Solve the 11th sum. Cos^2 2x
oee [108]
Cos
2
(
2
x
)
d
x
=
x
2
+
1
8
sin
(
4
x
)
+
C
Hope this help
6 0
4 years ago
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