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2 years ago

Help me out this is due at midnight along with like 10 other assignments

Mathematics

2 answers:

kiruha [24]2 years ago

5 0

A) y=1/2x+3 and y-1/2x=3
B)y=-4 ( for both forms)
C) y=3/4x+2 and y-3/4x=2
D)y=3x-5 and y-3x=-5

otez555 [7]2 years ago

4 0

Here are the answers along with the work on how i got the answers so you can understand the topic better :)

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A jar has 20 marbles: 3 green, 12 blue, 5 red.

nadezda [96]

Probability is defined as the likelihood or the certainty that an event is going to occur or happen.

The probability of randomly choosing a red and then a green marble is $3/76$ .

The total number of marbles = 20

The number of green marbles= 3

The number of blue marbles = 12

The number of red marbles = 5

The probability of choosing a red marble = Number of red marbles / Total number of marbles

= 5/20

In simplest fraction form = $\frac{1}{4}$

We are told in the question that you keep the red marble you choose, So this means the total number of marbles left reduces to 19

The probability of choosing a green marble is = Number of green marbles / New total number of marbles

= 3/19

Therefore, the probability of randomly choosing a red and then a green marble is

P (Red) x P(Green)

= 1/4 x 3/19

= $3/76$

To learn more, visit the link below:

brainly.com/question/22563776

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2 years ago

ZABD and ZDBC are supplementary angles.

ivann1987 [24]

Answer:

Solution given:

x+100=180°{linear pair}

x=180-100

x=80

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At Edwards Middle School there are 8 teachers for every 136 students. There are 850 students enrolled at the school. How many te

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Answer:

Step-by-step explanation:

one teacher per 17 students

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An instrument maker creates a triangle in the shape of an isosceles triangle by bending a metal rod. the rod is 13 inches long,

Gre4nikov [31]

The length of the longest slide is 5 inches. he other two sides will be 4 inches in length.

<h3>Length of the longest slide</h3>

Isosceles triangle

Given:

Total length=13 inches

Hence:

AC=BC<AB

Let AC=BC=x-1 inches

AB=x inches

Thus:

x-1+(x-1)+x=13

3x-2=13

3x=13+2

3x=15

divide both side by 3x

x=15/3

x=5 inches

Hence:

Other two side

x-1=5-1=4 inches

Therefore the length of the longest slide is 5 inches. he other two sides will be 4 inches in length.

Learn more about Length of the longest slide here:brainly.com/question/7807143

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1 year ago