2 years ago

Please help please just give meh an example

Mathematics

1 answer:

Brrunno [24]2 years ago

5 0

Answer: A compound event is an event that has more than one possible outcomes.

Example: Outcome of rolling a 6 since the dice is 6 sided. 1/6 is the probability .

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an isosceles triangle has congruent sides of 20cm. the base is 10cm. find the height of the triangle.

dolphi86 [110]

Answer:

$\large\boxed{A_\triangle=25\sqrt{15}\ cm^2}$

Step-by-step explanation:

Look at the picture.

The formula of an area of a triangle:

$A_\triangle=\dfrac{bh}{2}$

b - base

h - height

We need a length of a height.

Use the Pythagorean theorem:

$leg^2+leg^2=hypotenuse^2$

We have:

$leg=5,\ leg=h,\ hypotenuse=20$

Substitute:

$5^2+h^2=20^2$

$25+h^2=400$ subtract 25 from both sides

$h^2=375\to h=\sqrt{375}\\\\h=\sqrt{(25)(15)}\\\\h=\sqrt{25}\cdot\sqrt{15}\\\\h=5\sqrt{15}\ cm$

Calculate the area:

$A_\triangle=\dfrac{(10)(5\sqrt{15})}{2}=\dfrac{50\sqrt{15}}{2}=25\sqrt{15}\ cm^2$

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3 years ago

Solve the following equation. Round to the nearest hundredth.

n200080 [17]

Answer:

c P I'm just guessingggg

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2 years ago

Jane has 10 days to study for four

sammy [17]

10x3=30 hours
30/4= 7.5 hours to study for each exam

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2 years ago

When a number is tripled, the result is 99. Let p represent the number. What is the value of the number?

artcher [175]

Answer:

p equals 33 which is the answer to the problem

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3 years ago

Andrea claims that 2,899 rounded to the nearest hundred is 3,000. Zoe claims that 2,899 rounded to the nearest thousand is 3,000

dusya [7]

A) Only Zoe is correct.
2,899 rounded to the nearest hundredth would be 2,900

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3 years ago