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slamgirl [31]
2 years ago
13

|m² + n²| When m = -5and n = 3, the value of the expression is

Mathematics
1 answer:
tekilochka [14]2 years ago
3 0

Answer:

16

Step-by-step explanation:

|m² + n²|

|-5² - 3²|

|25 - 9|

|16|

16

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you have a full job that pays 2400 per month you decide to take a part time job delivering newspapers that pay 200 per week if 1
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Ft (full time)= $2,400/ monthpt (part time)= $200/ week15% taken from taxes------------------------- 1 year= 12 months; 1 month= 4 weeks (12*2,400) + (4*12*200)= $38,400 you made in a year I set up the problem this way because you want to know how much you made that whole year, so if there are 12 months in a year, and you get paid $2,400 a month, then from your full time job you ear (12*2,400). From your PT job you make $200 a week, there are 4 weeks in a month and 12 months in a year, so to calculate what you earned from your PT job, you do: 4*12*200 15% of what you made is deducted from taxes:0.15(38,400)= $5,760 After taxes, you made:$38,400-$5760= $32,640 
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What is the value of –21/6-1 1/4+1 3/4
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Find the values of a through e that make these two relations inverses of each other.
SSSSS [86.1K]

A=-3.8

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3 years ago
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Find the solution of ×\2-1/5=×\3+1/4 please help me with this​
ale4655 [162]

Answer:

x=\frac{27}{10}

Step-by-step explanation:

Assuming that the beginning equation is \frac{x}{2} -\frac{1}{5} =\frac{x}{3} +\frac{1}{4}

First, we should find the common denominator of each of fractions. For all of these denominators, 60 is the smallest common denominator

\frac{x}{2}(\frac{30}{30})  -\frac{1}{5}(\frac{12}{12})  =\frac{x}{3}(\frac{20}{20})  +\frac{1}{4} (\frac{15}{15}) \\\\\frac{30x}{60}-\frac{12}{60} =\frac{20x}{60}+\frac{15}{60}

Now, we can multiply each side by 60, which will remove the fractions

30x-12=20x+15

Now we can add 12 to each side

30x=20x+27

Now subtract 20x from each side

10x=27

And lastly, divide each side by 10

x=\frac{27}{10}

4 0
3 years ago
What needs to happen before you can use the reason CPCTC?
zaharov [31]
Answer: before you can use the reason CPCTC it must be stated that the triangles are congruente.

Explanation:

1) CPCTC stands for Corresponding Parts of Congruent Triangles are Congruent.

2) Therefore, to use that reason you first need to prove that the the triangles are congruent.

3) Once, it has been stated that the triangles are congruent, then you can use the reason to state the the corresponding segments are congruent which will let you to state the length of any side of one triangle known the corresponding side of the other triangle, because they are congruent (have the same length).
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