Answer:
2 or C
Step-by-step explanation:
I'm taking this to mean
4 = 2(x - 1)^2
4 = 2(x^2 - 2x + 1)
4 = 2x^2 - 4x + 2
2x^2 - 4x - 2 = 0
x^2 - 2x - 1 = 0
What you get from here is sqrt(2) as one of the roots.
That is not nearly an answer.
4 = 4(x -1)
4 = 4x - 4
8 = 4x
x = 8/4
x = 2
That makes C the answer.
Answer:
50,66.7,80
Step-by-step explanation:
100/2= 50
200/3=66.7
400/5=80
Answer:
Step-by-step explanation:
By comparing the right triangle ABC with the triangle XYZ, we will see that:
<h3>
How to find the given segments?</h3>
So we know that the largest triangle is a dilation of scale factor 2 of the smaller one.
Also, remember that for right triangle we have the relation:
Tan(θ) = (opposite cathetus)/(adjacent cathetus).
Now, the problem tells us that:
tan(x) = 5/2.5
For the angle x, the adjacent cathetus is XY, and the opposite cathetus is YZ.
Then we have:
YZ = 5
XY = 2.5
Knowing that the correspondent sides in the larger triangle will be 2 times the above ones, we can see that:
AC = 2*XY = 2*2.5 = 5
CB = 2*YZ = 2*5 = 10
If you want to learn more about right triangles, you can read:
brainly.com/question/2217700
Answer:
9 is a rational no. andbecause it is a rational no. it will never be a e-rational no. . And because it is a rstional no. it will always be a integers, whole no,natual no. . And it will also be a Real no. coz all the no. are real no. including e rstionals also..
Step-by-step explanation:
The figure given above will help you to understand more clearly...
Look at the figure and see..
The largest circle is named or mark as yhe Real No. which means it includes all the no. . Each and every no. in the universe is surely real no..
No on the right is the e-rational no.. it does not consist of any type of no. under itself..
On the left is the rational no. which is consist of Integers, whole and Natural no...
So evey Integers, whole and Natural no. is rational.
Similarly every Integer is whole and Natural no..
Similarly every whole no. is a Natual no.
Hope it will help you..!
plz let me know if it helped by giving me a brainlist answer...