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2 years ago

7(b+4)=14 find the value of the variable

Mathematics

2 answers:

Tasya [4]2 years ago

4 0

Answer:

b= -2

Step-by-step explanation:

Artist 52 [7]2 years ago

4 0

Answer:

b = -2

Step-by-step explanation:

First, isolate (b + 4) by dividing both sides of this equation by 7. We get:

b + 4 = 2, so that b = -2

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Step-by-step explanation:

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Item 1 A bag contains 7 blue cards, 4 green cards, 6 red cards, and 8 yellow cards. You randomly choose a card. a. How many poss

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Answer:

4 possible outcomes

Step-by-step explanation:

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.

The size of the sample space is the total number of possible outcomes

The event space is the number of outcomes in the event you are interested in.

Let

x------> size of the event space

y-----> size of the sample space

$P=\frac{x}{y}$

In this problem

The probability of choose a blue card is

$x=7$

$y=7+4+6+8=25$

substitute

$P=\frac{7}{25}$

The probability of choose a green card is

$x=4$

$y=7+4+6+8=25$

substitute

$P=\frac{4}{25}$

The probability of choose a red card is

$x=6$

$y=7+4+6+8=25$

substitute

$P=\frac{6}{25}$

The probability of choose a yellow card is

$x=8$

$y=7+4+6+8=25$

substitute

$P=\frac{8}{25}$

The sum of the probabilities of the 4 possible outcomes is equal to

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3 years ago

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Answer: aw dont be sad

Step-by-step explanation:

stay happy

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3 years ago

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