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Len [333]
3 years ago
7

Find the missing exponent

Mathematics
2 answers:
anzhelika [568]3 years ago
7 0

Answer:

where is the rest of the context?

wariber [46]3 years ago
3 0
What is the problem?
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What is the factor for x^2-4x-21
7nadin3 [17]
(x+7) (x-3) is the anwer

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Write 9 decimals with one decimal place that when rounded to the nearest one round to 7
FinnZ [79.3K]
7.030124314  they all just have to be less then 5
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4 years ago
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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
egoroff_w [7]

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.  

so  

Let

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

y-----> size of the sample space  

so

P=\frac{x}{y}  

In this problem

<em>The probability of choose a blue card is </em>

x=7

y=7+4+6+8=25

substitute

P=\frac{7}{25}

<em>The probability of choose a green card is </em>

x=4

y=7+4+6+8=25

substitute

P=\frac{4}{25}

<em>The probability of choose a red card is </em>

x=6

y=7+4+6+8=25

substitute

P=\frac{6}{25}

<em>The probability of choose a yellow card is </em>

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

\frac{7}{25}+\frac{4}{25}+\frac{6}{25}+\frac{8}{25}=\frac{25}{25} ----> represent the 100%

4 0
3 years ago
16. Select the equation that has only one solution.
erik [133]

Answer:

A is the answer...........

Explanation

8x+3=3x+8

8x-3x=8-3

5x=5

x=5/5

x=1

8 0
3 years ago
Find the surface area of a cylinder with a height of 8 ft and a base radius of 5 ft.
Maksim231197 [3]

Answer: 408.2 ft^2

Step-by-step explanation:

A=2πrh+2πr2

A=2(3.14)(5)(8)+2(3.14)(5)^2

A=6.28*40+6.28*25
A=251.2+157

A=408.2 ft^2

7 0
2 years ago
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