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3 years ago

A group of related facts that use the same numbers is called?

Mathematics

1 answer:

Mrrafil [7]3 years ago

8 0

It is called a fact Family

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What value of w makes the equation 3(-4W - 5) = -7(5 + w) true?

Westkost [7]

Answer: W= 4

Step-by-step explanation:

3 0

2 years ago

A bag had 7 orange rocks , 6 green rock , 1 white rock ,7 black rocks , and 2 yellow you randomly pull a rock from the bag ,keep

daser333 [38]

Answer:

$Probability = \frac{7}{253}$

Step-by-step explanation:

Given

$Orange = 7$

$Green = 6$

$White = 1$

$Black = 7$

$Yellow = 2$

Required

Probability of selecting a yellow then orange rock

From the question, we understand that the probability is that of without replacement.

Since the yellow, is first picked.

We need to determine the probability of picking a yellow rock, first.

$P(Yellow) = \frac{n(Yellow)}{Total}$

$P(Yellow) = \frac{2}{7 + 6 + 1 + 7 + 2}$

$P(Yellow) = \frac{2}{23}$

The rock has reduced by 1;

Next is to determine the probability of picking an orange rock

$P(Orange) = \frac{n(Orange)}{Total - 1}$

$P(Orange) = \frac{7}{7 + 6 + 1 + 7 + 2- 1}$

$P(Orange) = \frac{7}{22}$

The required probability is calculated as thus:

$Probability = P(Yellow) * P(Orange)$

$Probability = \frac{2}{23} * \frac{7}{22}$

$Probability = \frac{14}{506}$

$Probability = \frac{7}{253}$

4 0

3 years ago

When 3x² - 2x + 1 is subtracted from 2x² +7x + 5, the result will be?

Karolina [17]

Answer:

-x²+9x+4

Step-by-step explanation:

Hope this helps!

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2 years ago

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Find the base and height

Nadusha1986 [10]

Answer:

not enough information I don't know what g=

Step-by-step explanation:

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3 years ago

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you had eight hours until you have to be on set if you will spend 3/4 of an hour driving to the TV station how much time does th

Inessa05 [86]

Answer:

7 hours and 15 minutes

Step-by-step explanation:

8 - 3/4 = 7 1/4 hours

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3 years ago