3 years ago

Helppppppp hurry!!!!!!!!!

Mathematics

1 answer:

lys-0071 [83]3 years ago

3 0

5 is your amazing answer

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Vladimir [108]

Answer:

Step-by-step explanation:

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3 years ago

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Please help!!!!!!!!!

kotykmax [81]

10+6+9+13+7= 45

and divide it by 5

the answer is 9

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3 years ago

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If I roll a fair die 100 times, about how many times would I roll a 4?

WARRIOR [948]

C. 17

Why:

Divide 100 by 6, round the answer and you should get 17

6 0

4 years ago

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If the diameter of circle O is 20 and CE = 4, then determine the length of AB. Show how you arrived at your answer.

Aneli [31]

Answer: Length of AB is 16 cm

Step-by-step explanation:

Given: Diameter of a circle is 20 cm and CE = 4 cm

Now as shown in figure AO, BO, CO are radii

$\text { Radius } =\dfrac{\text {Diameter}}{2} = \dfrac{20}{2} = 10 cm$

Therefore

AO=BO=CO= 10 cm

Now

$OE = CO- CE \Rightarrow OE= 10 -4 = 6 cm$

Now in Δ OEB

∠OEB =90°

Therefore by Pythagoras theorem : In a right angle triangle the square of hypotenuse is equal to the sum of square of other two sides.

So we have

$BO^2=BE^2+EO^2\\\\\Rightarrow 10^2= BE^2 +6^2\\\\\Rightarrow BE^2= 100-36\\\\\Rightarrow BE^2 = 64 \\\\\Rightarrow BE= 8 cm$

Now as we know perpendicular to the chord from the center of a circle bisect the chord.

Therefore

$AB= 2\times BE = 2\times 8=16 cm$

Hence , the length of AB is 16 cm .

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3 years ago

Are the graphs of each pair of equations parallel, perpendicular,or neither? PLEASE I NEED YOUR HELP

Nata [24]

Answer:

there is hint for u in the book darling

you can refer example 4 in the same book

7 0

3 years ago