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2 years ago

What is the probability that the next flood will occur four years from now?

Mathematics

1 answer:

Mrac [35]2 years ago

6 0

1 in 100 or 1/100 would be the probability

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Three students failed their last test. If 12% of the class failed, how many students are in the class?

stellarik [79]

Answer:

There are 25 students in the class.

Step-by-step explanation:

Let x be the number of students in the class

12% failed and the number of students is 3

x*12% = 3

x*.12 = 3

Divide each side by .12

x * .12 /.12 = 3/.12

x =25

There are 25 students in the class

3 0

2 years ago

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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:

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

4 0

2 years ago

A birthday cake was cut into equal pieces, and 10 pieces were eaten. The

dolphi86 [110]

assuming the fraction is 1/11, the denominator shows how many parts the WHOLE was sliced into, namely 11 parts.

8 0

1 year ago

A salad dressing is 30% peanut oil. Rosie wants to make 3 cups of dressing. How much peanut oil does she need?

Whitepunk [10]

3 Cups times .3
Would get you .9
.9 cups of Peanut oil

8 0

2 years ago

What is 42 x 2 give the working please help

Lynna [10]

Answer:

84.

Step-by-step explanation:

x 2

2 x 2 = 4

4 x 2 = 8

= 84

4 0

2 years ago

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