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Gala2k [10]
3 years ago
9

-3a + 5 =-1 please help me

Mathematics
2 answers:
Law Incorporation [45]3 years ago
4 0

Answer:

2

Step-by-step explanation:

To find <em>a</em> we need to first isolate it. There is a 5 on the left side along with the -3a that has to be moved.

To do this, we can subtract 5 from both sides of the equation using the subtraction property of equality.

-3a + 5 - 5 = - 1 - 5

-3a = -6

Now that the a term is isolated, the next step is to remove the coefficient.

Let's use the division property of equality and divide both sides of the equation by -3.

-3a/-3 = -6/-3

a = 2

ludmilkaskok [199]3 years ago
4 0

Answer:

2

Step-by-step explanation:

-3a + 5 = -1

5+1 =3a

6 =3a

divide both sides by 3

6/3 = 3a/3

2=a

Therefore a=2

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The quotient of a number and 2 is the same as the difference of the number doubled and 3. What is the number?
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Let the number be x, then
x/2 = 2x - 3
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3 years ago
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Determine the present value P you must invest to have the future value A at simple interest rate r after time t. A $9000.00, r 1
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Answer:

P = $6923

Step-by-step explanation:

The simple interest formula is given by

1) I = principal  *interest rate * time period

where I is the interest

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After three months, you have $9.000, so T = 9000. The present value P is the principal. We have that:

9000 = P + I

I = 9000 - P

In our problem, we have that the time period is 3 months and out interest rate is 10%.

Replacing in 1)

9000 - P = P*0,1*3

9000 = 0.3P + P

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P = $6923

So the present value P is $6923

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Which scatterplot shows an outlier?
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How to find out the independent variable and dependent variable from a graph?
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A large construction company wants to review the ages of its sales representatives. A sampling of the ages of 25 sales reps are
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A histogram with frequency on the x-axis and ages on the y-axis is shown below. Then the correct option is A.

<h3>What is a histogram?</h3>

A diagram is made up of rectangles whose size is related to a variable's frequency and whose width is comparable to the training sample.

A large construction company wants to review the ages of its sales representatives.

A sampling of the ages of 25 sales reps are given:

50, 42, 32, 35, 41, 44, 24, 46, 31, 47, 36, 32, 30, 44, 22, 47, 31, 56, 28, 37, 49, 28, 42, 38, 45.

Then the histogram with frequency table is given as

 Range                Frequency

20 to 24                      2

25 to 29                      2

30 to 34                      5

35 to 39                      4

40 to 44                      5

45 to 49                      5

50 to 54                      1

55 to 59                      1

Then the correct option is A.

The histogram is given below.

More about the histogram link is given below.

brainly.com/question/16819077

#SPJ1

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