2 years ago

Help me plssssssssssssssssssss

Mathematics

1 answer:

den301095 [7]2 years ago

6 0

Answer:

Both the median and mean are 13

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Given circle X with radius 10 units and chord AB with length 12 units, what is the length of segment CX, which bisects the chord

andrew-mc [135]

Consider the circle with center X, as shown in the figure.

Draw the diameter of the circle which is parallel to cherd AB, as shown in the figure.

Since the diameter and AB are parallel, then the line segment XC which bisects AB at C, will be perpendicular to AB.

SO triangle XCB is a right triangle. Thus the length of CX, by the Pythagorean theorem is

$\sqrt{ XB^{2}- CB^{2}} = \sqrt{ 10^{2}- CB^{6}}= \sqrt{100-36}= \sqrt{64}=8$ units.

Answer: 8 units

7 0

3 years ago

Chris rode his bike along the same route every day for 60 day. He logged that he had gone exactly 127.8 miles. How many miles di

son4ous [18]

You have to do 127.8 divided by 60 which is 2.13 Chris biked 2.13 miles a day

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3 years ago

What is the value of the product (3-2)(3 + 2)?

Veseljchak [2.6K]

Answer:

Step-by-step explanation:

3 - 2 = 1

3 + 2 =5

5 x 1 =5

3 0

3 years ago

In a restaurant, Chad tracked the number of children and adults that came in over an hour. During that time, 16 children and 40

Pepsi [2]

You have 40/16
simplified by 8 and you have 5:2
so the answer is d. 5:2

4 0

4 years ago

True or false: for any function, x=f^-1(y), then y=f(x)

kozerog [31]

YES

We can work out the inverse using Algebra. Put "y" for "f(x)" and solve for x:

The function: f(x)=2x+3
Put "y" for "f(x)": y=2x+3
Subtract 3 from both sides:
y-3=2x
Divide both sides by 2:
(y-3)/2=x
Swap sides: x=(y-3)/2
Solution (put "f-1(y)" for "x") : f-1(y)=(y-3)/2

6 0

3 years ago

Read 2 more answers