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3 years ago

Write a number that is greater than 100 and less than 1000.

Mathematics

1 answer:

sashaice [31]3 years ago

8 0

Answer:

150

Step-by-step explanation:

150 is greater than 100 and less than 1000.

150 can divide by 10.

The quotient of 150 is less than 100 but greater than 1.

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Explain how to translate the phrase into an algebraic expression.

ASHA 777 [7]

Hey there.. I will be more than happy to help you today.. :)

A Number squared decreased by ten

We will do this with steps:-

Step 1 - "A number ". So, Let's say any number be x

Step 2 - "A number squared". Our number x is squared i.e. x²

Step 3 - "A number squared" ( i.e. x² ) is decreased by ten
x² - 10

This is your answer.
Hope this helps you :)

4 0

3 years ago

Read 2 more answers

The four-member math team at Pecanridge Middle School is chosen from the math club, which has three girls and five boys. How man

cestrela7 [59]

Answer:

$Total\ Selection = 30\ ways$

Step-by-step explanation:

Given

Girls = 3

Boys = 5

Required

How many ways can 2 boys and girls be chosen?

The keyword in the question is chosen;

This implies combination and will be calculated as thus;

$Selection =\ ^nC_r = \frac{n!}{(n-r)!r!}$

For Boys;

n = 5 and r = 2

$Selection =\ ^5C_2$

$Selection = \frac{5!}{(5-2)!2!}$

$Selection = \frac{5!}{3!2!}$

$Selection = \frac{5 * 4 * 3!}{3!*2 * 1}$

$Selection = \frac{20}{2}$

$Selection = 10$

For Girls;

n = 3 and r = 2

$Selection =\ ^3C_2$

$Selection = \frac{3!}{(3-2)!2!}$

$Selection = \frac{3!}{1!2!}$

$Selection = \frac{3 * 2!}{1 *2!}$

$Selection = \frac{3}{1}$

$Selection = 3$

Total Selection is calculated as thus;

$Total\ Selection = Boys\ Selection * Girls\ Selection$

$Total\ Selection = 10 * 3$

$Total\ Selection = 30\ ways$

5 0

4 years ago

What is the answer to this question? (100 points pls answer!)

oksian1 [2.3K]

Answer : 14 Meters

Explanation : 2 * 3 * 14 Is = To 84

◊ YusuCr ◊

4 0

3 years ago

Read 2 more answers

What point represents the center of a circle whose equation is (x-3)^2+(y-6)^2=64

Ksenya-84 [330]

The equation of a circle is (x - h)² + (y - k)² = radius² where point (h, k) is the center.

So using your equation, your center is (3, 6)

3 0

3 years ago

Seventy-five percent of the light aircraft that disappear while in flight in a certain country are subsequently discovered. Of t

Elanso [62]

Answer:

0.05 = 5% probability that it will not be discovered

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Has an emergency locator

Event B: Not discovered

Probability of having an emergency locator:

70% of 75%(discovered).

100 - 89 = 11% of 100 - 75 = 25%(not discovered). So

$P(A) = 0.7*0.75 + 0.11*0.25 = 0.5525$

Intersection of events A and B

Having an emergency locator and not discovered, so 11% of 25%

$P(A \cap B) = 0.11*0.25 = 0.0275$

What is the probability that it will not be discovered?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0275}{0.5525} = 0.05$

0.05 = 5% probability that it will not be discovered

5 0

4 years ago