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4 years ago

What's the answer (3/12 + 1/2) - 11/12 pls show work I need help

Mathematics

2 answers:

agasfer [191]4 years ago

8 0

-2/12

(3/12 + 6/12) = 9/12 - 11/12 = -2/12

SVETLANKA909090 [29]4 years ago

3 0

Answer:

-1/6

Step-by-step explanation:

multiply 1/2 by 6 to get an even denominator. the equation then becomes

(3/12+6/12)-11/12

Simplify what is in perenthesises to 3/4-11/12

Again simplify the denominator by multiplying by 3

the equation then becomes 9/12-11/12

Divide everything by 2

4.5/6 - 5.5/6

4.5-5.5= -1

12/2 =6

put -1 over the demoninator of 6

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Solve the equation -x=2-3x+3 and show your work/step by step

Debora [2.8K]

Answer:

x = $\frac{5}{2}$

Decimal Form: 2.5

Step-by-step explanation:

1) First, you have to simplify 2 − 3x + 3 to −3x + 5.

−x = −3x + 5

2) Next, You add 3x to both sides.

−x + 3x = 5

3) Then, Simplify −x + 3x to 2x.

2x = 5

4) Lastly, you divide both sides by 2 and you're done!

x = $\frac{5}{2}$

Decimal Form: 2.5

4 0

4 years ago

Solve for x: |2x+6| -4 = 20

Bingel [31]

|2x + 6| - 4 = 20

First, add 4 to both sides. / Your problem should look like: |2x + 6| = 20 + 4
Second, simplify 20 + 4 to 24. / Your problem should look like: |2x + 6| = 24
Third, break down the problem into these 2 equations. / 2x + 6 = 24 and -(2x + 6) = 24
Fourth, solve the 1st equation: 2x + 6 = 24
Subtract 6 from both sides. / Your problem should look like: 2x = 24 - 6
Simplify 24 - 6 to 18. / Your problem should look like: 2x = 18
Divide both sides by 2. / Your problem should look like: x = $\frac{18}{2}$
Simplify $\frac{18}{2}$ to 9 / Your problem should look like: x = 9
Fifth, solve the 2nd equation: -(2x + 6) = 24
Simplify brackets. / Your problem should look like: -2x - 6 = 24
Add 6 to both sides. / Your problem should look like: -2x = 24 + 6
Simplify 24 + 6 to 30. / Your problem should look like: -2x = 30
Divide both sides by -2. / Your problem should look like: x = $\frac{30}{-2}$
Simplify $\frac{30}{-2}$ to $- \frac{30}{2}$ / Your problem should look like: x = $-\frac{30}{2}$
Simplify $\frac{30}{2}$ to 15. / Your problem should look like: x = -15
Sixth, collect all of your solutions. / Your problem should look like: x = -15, 9

Answer: x = -15, 9 (C)

4 0

4 years ago

You recently discovered that your job provides a 25% matching towards your retirement.

Harman [31]

Answer:

What is typed in the attached Excel file is =FV(B4,B5,-B3,0,0).

Step-by-step explanation:

Note: See the attached excel file for the calculation of future value of an ordinary annuity.

Since we want to find the balance after 30 years, the function in the Excel is the FV function which is used to calculate the future value (FV) of an ordinary annuity as follows:

=FV(rate,nper,-pmt,0,0) …………………… (1)

rate = Monthly interest rate = APR / 12 = 8.99% / 12 = 0.0899 / 12 = 0.00749166666666667. Note: This is typed in cell B4 in attached excel file.

nper = periods = number of months = 30 years * 12 months = 360. Note: This is typed in cell B5 in attached excel file.

pmt = monthly payment = $300. Note: This is typed in cell B3 in the attached excel file. And also typed as a negative value in cell B7, i.e. as -B3.

pv = present value = 0. Note: This is the first 0 typed in cell B7 in the attached excel file.

type 0 = 0 this is typed to indicate that deposit is made at end of period as a regular or ordinary annuity. This is the second 0 typed in cell B7 in the attached excel file.

Based on the above, the FV function in equation (1) above is converted to the following which is typed in the attached Excel file to find the balance after 30 years:

=FV(B4,B5,-B3,0,0)

The above then gives a future value of $548,080.11 which is the balance after 30 years.

Download xlsx

3 0

3 years ago

If anyone knows how to do this stuff I would love some help (✿◠‿◠)

svetlana [45]

Answer:

See explanation below

Step-by-step explanation:

(a) The spread of the data is represented by their range,

Adam's Range : 106 - 91 = 15

Miguel's Range : 105 - 86 = 19

As Miguel's Range is greater, his data has the greater spread

(b) The middle 50 percent of both data sets would be the following,

Adam | 103 | 105 | 104 | 106 | 100

Miguel | 88 | 86 | 89 | 93 | 105

And their 50% range would be ...

Adam's 50% Range : 106 - 100 = 6,

Miguel's 50% Range : 105 - 86 = 19

Adam still has the least spread, even in the middle 50%

(c) This proves that their is a small variance in Adam's training times, but a large variance in Miguel's training times (Miguel's data is more likely skewed).

4 0

4 years ago

Carrie is making 16 goodie bags for her party. She is putting 3 pencils and 2 erasers into each bag. What is the total number of

devlian [24]

The correct answers would be both B. and D.

A, and C are incorrect because they say that you would be putting 6 items total into each bag when it multiplies 2 and 3 together when there are only 5 items being put into each, which is what B and D is showing which is why those are the correct answers.
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4 0

4 years ago