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3 years ago

15

you lose 5 points for every wrong answer in trivia game. what interger reprsents the change in your points after answering 8 poi

nts wrong?

1 answer:

inessss [21]3 years ago

8 0

-40 points would be the integer

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Assume the probability of having a boy or a girl is the same. What is the probability a family has three boys?

almond37 [142]

The probability of having a boy: 1/2

1/2(1/2)(1/2)=1/8

The probability of a family having three boys is 1/8.

Hope this helps!

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3 years ago

Geometry pls help !!! Find the value of AB.<br> AB = [?]

V125BC [204]

Answer:

AB = 16 Units

Step-by-step explanation:

In the given figure, CD is the diameter and AB is the chord of the circle.

Since, diameter of the circle bisects the chord at right angle.

Therefore, AE = 1/2 AB

Or AB = 2AE...(1)

Let the center of the circle be given by O. Join OA.

OA = OD = 10 (Radii of same circle)

Triangle OAE is right triangle.

Now, by Pythagoras theorem:

$OA^2 = AE^2 + OE^2 \\10^2 = AE^2 + 6^2 \\100= AE^2 + 36\\100-36 = AE^2 \\64= AE^2 \\AE = \sqrt{64}\\AE = 8 \\\because AB = 2AE..[From \: equation\: (1)] \\\therefore AB = 2\times 8\\\huge \purple {\boxed {AB = 16 \: Units}}$

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3 years ago

A cone has a volume of 942 in.³ and a height of 9 inches what is the radius of the cone use 3.14 for pie

bija089 [108]

Answer:

r = 51.96 inches

Step-by-step explanation:

$V_{cone} = \pi {r}^{2} h \\ \\ \implies \: r^{2} = \frac{V_{cone}}{\pi h } \\ \\ \implies \: r^{2} = \frac{942}{3.14 {(9) } }\\ \\ \implies \: r^{2} = \frac{942}{3.14 {(9) } } \\ \\ \implies \: r^{2} =2700 \\ \\ \implies \: r= \sqrt{2700} \\ \\ \implies \: r=51.96 \: inches$

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2 years ago

AHHH PLS HELP QUICK ILL GIVE U BRAINLIEST <3

nika2105 [10]

Answer:

10

Step-by-step explanation:

19 divided by 19 is equal to 1 so you cross out 19 and are left with "b".

190 divided by 19 is equal to 10.

b=10

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2 years ago

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How to plot (3,-3) on a graph?

netineya [11]

They y-axis represents the -3 now all that you need to do is line it up to -3 and 3 in the graph

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3 years ago

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