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creativ13 [48]
2 years ago
13

A coin jar contains 12 quarters, 15 dimes, and 23 nickels. find the probability that a karen will choose a dime from the jar and

then mikah will choose a quarter from the jar.
Mathematics
1 answer:
Darina [25.2K]2 years ago
7 0

Karens possabilty is 15/50 chance

Makiah possability is 12/50 chance

Have a nice day

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A cargo ship left port A and is headed across the ocean to shipping port B. After one month, the ship stopped at a refueling sta
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D

Step-by-step explanation:

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HELP ASAP LIKE WHEN YOU SEE IT ANSWER ALL 7 QUESTIONS *RIGHT*AND I'LL MARK YOU THE BRAINLIST ANSWER !!!!!! WITH 13 POINTS
Vera_Pavlovna [14]

Answer:

1. Her weekly gross is $234

2. $421.20 for federal income tax withholding.

3. $174.096 for social security tax

4. $40.716 for medical tax

5. Her net paycheck is $636.012

6. $2808 for her total gross pay

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2 years ago
Maddy is carrying a 555 liter jug of sports drink that weighs 7.5\text{ kg}7.5 kg7, point, 5, start text, space, k, g, end text.
Lelu [443]

Answer:

w/2 = 7.5/5

3kg

Step-by-step explanation:

Remaining question below:

Which proportion could Maddy use to model this situation?

a. w/2 = 7.5/5

b. w/7.5 = 5/2

Solve the proportion to determine the weight of a 2 liter jug.

_____kg

5 liters jug of sport drink weighs 7.5kg

2 liters jug of sport drink will weigh x kg

Find w

Ratio of weight to volume

7.5kg : 5liters=7.5/5

wkg : 2 liters=w/2

Equates the ratio

7.5 / 5 = w / 2

Cross product

7.5*2=5*w

15=5w

Divide both sides by 5

3=w

w=3kg

Therefore, weight of the 2liters jug of sport drink is 3kg

6 0
2 years ago
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Alaskan Salmon are fished extensively to serve in restaurants. However, there are limits to how many and the size of fish which
TEA [102]

Answer:

The salmon size is less than equal to 10.28 inches represent bottom 25% of all salmon.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 12.5 inches

Standard Deviation, σ = 3.3

We are given that the distribution of salmon size is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.25

P( X < x) = P( z < \displaystyle\frac{x - 12.5}{3.3})=0.25  

Calculation the value from standard normal z table, we have,  

\displaystyle\frac{x - 12.5}{3.3} = -0.674\\\\x = 10.2758\approx 10.28  

Thus, the salmon size is equal to or less than 10.28 inches, they are considered small and young and represent bottom 25% of all salmon.

4 0
2 years ago
triangle JKL is rotated 270 degrees counterclockwise about the origin to form triangle jkl what is the y-coordinate of point j
IRINA_888 [86]

The y-coordinate of point j' in the image triangle J'K'L' is -x coordinate of point j in the initial triangle JKL.

Step-by-step explanation:

The rule to apply here is that of 90° clockwise about the origin.

This is to say that: rotation 270° counterclockwise about the origin applies the same rule as rotation 90° clockwise about the origin.

In this case, If point j has coordinates (x,y) then after the rotation j' will have coordinates (y,-x)

So the y-coordinate of point j' in the image triangle J'K'L' is -x coordinate of point j in the initial triangle JKL.

Learn more

Rotation about the origin 270°:brainly.com/question/3382538

Keywords : triangle, rotated, origin, counterclockwise,y-coordinate

#LearnwithBrainly

5 0
1 year ago
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