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3 years ago

I don't get what I'm spose to put on it also how do you work this app I'm new

Mathematics

1 answer:

stiks02 [169]3 years ago

4 0

I'm new too, but I'm pretty sure if you have a question then you ask it, attach a picture if needed, and people might see it and answer.

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Simplify (2+7) divided by (7-2 times 2)

Step2247 [10]

1.111.... so just right 1.2

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3 years ago

Find the slope of the line using the points given (5,3) and (5,-9)

morpeh [17]

Answer:

the slope is undefined

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3 years ago

Read 2 more answers

8. There are 10 balls in a bag numbered from 1 to 10. Three balls are selected at random without replacement.

PIT_PIT [208]

Answer:

a. 720

b. 0.3

Step-by-step explanation:

Three balls are selected at random without replacement.

First ball can be selected in 10 ways

Second ball can be selected in 9 ways

Third ball can be selected in 8 ways

Thus, there are 10×9×8 =720 different ways of selecting three balls.

There are three cases that satisfy this condition

first ball picked is 5, the others are not
first ball is not 5, second is 5, third is not
first and second ball is not five, third ball is 5

Each probabilities are:

$\frac{1}{10} * \frac{9}{9} *\frac{8}{8} =\frac{1}{10}$
$\frac{9}{10} *\frac{1}{9} *\frac{8}{8} =\frac{1}{10}$
$\frac{9}{10} *\frac{8}{9} *\frac{1}{8} =\frac{1}{10}$

Thus, one of the balls selected is the number 5 is then $\frac{1}{10} + \frac{1}{10} + \frac{1}{10} = \frac{3}{10}$

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3 years ago

Malcolm planted two trees in his yard. One tree is 50 inches tall and grows

Evgen [1.6K]

First make an equation for first tree
Y=2x+50
Then second tree
Y=1x+59
Then put them equal to eachother
2x+50=1x+59
Solve by subtracting 1x and then subtracting 50
Answer= x=9
9 months

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3 years ago

-5x– 8< -53 and -63 < -5x – 8

baherus [9]

Answer:

x>9 and x<11

Step-by-step explanation:

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3 years ago