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Schach [20]
3 years ago
7

Alec mixes a juice solution that is made from 3 gallons of an 80% juice solution and 1 gallon of a 20% juice solution. What is t

he percent concentration of the final solution?
Mathematics
1 answer:
solniwko [45]3 years ago
5 0

Answer:

i tink 88 percent

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You deck has an area of 128 square feet. After adding a section, the are will be s by the power of 2+128 square feet. Draw a dia
irga5000 [103]
You are adding s^2 to your 128 ft^2.  s^2 is a common representation of a square.  So you could think of it as adding an area of a square of side "s" to your deck.

So one way of drawing it is to draw a rectangle with area 128 ft^2 and attaching a square to one of its side.  The square that is attached has a side lenght of "s."
4 0
3 years ago
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if 7 men and 5 womean have applied for job and 3 applicants are randomly selected from the probability that 2 are men​
barxatty [35]

The  probability that 2 men are selected is 49/144

Probability is the likelihood or chance that an event will occur.

If 7 men and 5 women have applied for job, the total number of people that applied will be 12 people

  • Pr(2 men are selected) = 7/12 * 7/12
  • Pr(2 men are selected) = 49/144

Hence the  probability that 2 men are selected is 49/144

​Learn more on probabaility here:brainly.com/question/24756209

3 0
2 years ago
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What does h(40)=1820 mean it terms of problem?!!! HELPP
mylen [45]

Answer:

D is the correct option.

Step-by-step explanation:

In the given table, the first column is for "hours of training" and the second column is for "Monthly pay".

Now, we have to state the meaning of the term h(40)=1820.  

In coordinate system we can write this as (40,1820).

Since, the first column represents "hours of training" and second column is for "Monthly pay". Hence, we can say that for 40 hours of training the monthly payment is $1820.

In other words, if the training attended by the worker is 40 hours, h/she would pay $1820.

Therefore, D is the correct option.

5 0
3 years ago
PLEASE HELP!!!
Klio2033 [76]

Answer:

The answer is A and B

Step-by-step explanation:

y-y=m(x-x)

y-(-3)=m(x-(-5))

y+3=0.4(x+5)

y-y=m(x-x)

y-1=0.4(x-5)

6 0
2 years ago
Serena wants to solve the following system of equations in the most efficient way.
Marianna [84]

Answer:

Serina should have solved for x in the second equation because it has a coefficient of 1.

Step-by-step explanation:

we have

2x+3y=18 ----> equation A

x+7y=31 ---> equation B

we know that

To solve the system of equations in the most efficient way, solve for x equation B and then substitute the value of x in equation A

so

x=31-7y ----> equation C

substitute equation C in equation A

2(31-7y)+3y=18

solve for y

62-14y+3y=18\\11y=62-18\\11y=44\\y=4

Find the  value of x

substitute the value of y in the equation C

x=31-7(4)=3

The solution is (3,4)

therefore

Serina should have solved for x in the second equation because it has a coefficient of 1.

3 0
3 years ago
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