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ser-zykov [4K]
3 years ago
14

What is 2m + 3m² - 4m ? Please show you work. :-)

Mathematics
1 answer:
Alchen [17]3 years ago
6 0
Combine like terms
2m and -4m are like terms while 3m^2 isnt. So, leave 3m^2 as it is and combine the other set. 2m-4m = (-2m). Therefore, your answer should be 3m^2 - 2m
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Lakita wants to go to trade school and study electronics for a two-year program. Her tuition and books will cost about $5,500 pe
pshichka [43]

Answer:

<h2>$13,400</h2>

Step-by-step explanation:

Step one:

let us first compute the tuition and books for the two years

we are told that the tuition is $5,500 per year

For the two years,the tuition will be 5,500*2= $11,000

Step two:

we need to calculate the cost of transportation for the two years also

in two years there are 24 months

if Lakita will spend $100 per months

then in 24 months Lakita will spend= 24*100= $2400

Hence her education cost her in total is

=$11,000+$2400

=$13,400

8 0
2 years ago
Paul has 16 baseballs and 12 golf balls what is the ratio of balls to golf balls
Veronika [31]
Ratio is just a fraction in other form. To create ratio we can just make fraction and transform it into ratio, so
\frac{baseballs}{golf bals} = \frac{16}{12} =16:12
Now we can simplify the ratio/fraction
\frac{16}{12} = \frac{4}{3} = 4:3 - its the result
5 0
3 years ago
28x^2 - 5x - 3 = 0 what is the answer
olga nikolaevna [1]

Answer:

x=

3 /7

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Step-by-step explanation:

8 0
3 years ago
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tester [92]

Answer:

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6 0
3 years ago
Read 2 more answers
Let f(x) = x2 − 16. Find f−1(x)
Yanka [14]

Answer:

f^{-1}(x)=\pm\sqrt{x+16}

Step-by-step explanation:

f(x)=x^2-16

To find the inverse of this function, temporarily the f(x) with a y (or whatever else you want) and then solve for the x.

y=x^2-16\\y+16=x^2\\x=\pm\sqrt{y+16}

Now, you can swap the variables again and write the function.

f^{-1}(x)=\pm\sqrt{x+16}

3 0
2 years ago
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