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mixer [17]
3 years ago
15

I need help with simplifying expressions

Mathematics
1 answer:
vovikov84 [41]3 years ago
3 0
Pretty sure it’s B. Hope this helps :)
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How is Social Security calculated?
Evgesh-ka [11]
I think 1, because you need age for receive that document
8 0
3 years ago
Read 2 more answers
5+7/9+4/12<br> Someone tell me the ans pls
Sati [7]

Answer:

55/9

Step-by-step explanation:

5+\dfrac79+\dfrac{4}{12}=\dfrac51+\dfrac79+\dfrac{4}{12}

We need to make the denominators the same:

\implies\dfrac{5\times 36}{1\times 36}+\dfrac{7\times 4}{9\times 4}+\dfrac{4\times 3}{12\times 3}=\dfrac{180}{36}+\dfrac{28}{36}+\dfrac{12}{36}

Now simply add the numerators:

\implies \dfrac{180}{36}+\dfrac{28}{36}+\dfrac{12}{36}=\dfrac{220}{36}

Simplify by reducing:

\implies \dfrac{220}{36}=\dfrac{55}{9}

Solution as a mixed number:  6\frac19

5 0
3 years ago
A storeowner orders 25 calculators that cost $32 each.The storeowner can sell each calculator for 40$ .the storeowner sold 22 ca
pantera1 [17]

Answer:

$74 is the store owners profit

Step-by-step explanation:

25 (caculators) × $32 ( calculator cost)=$800 [(how much they costed when the owner order them it costed him $800)]

22 ( calculator that he sold) × $40 ( calculator cost) = $880 [( how much he made when he old them)]

$880-$6 ( because he had to return three calculators that he could not sell and had to pay a $2 charge for every one he return 3 (calculator)= $6) =$874(how much he made after selling that calculators

$874 - $800= $74

( he bought the cacaulators for $800 and sold them for $874 so you have to subtract the $800 dollars that he had to buy the calculators for, he made $74 )

6 0
3 years ago
Solve by Elimination:<br> 3x + y = 5<br> 2x + y = 4
Scilla [17]

Answer:

Point form: (1, 2)

Equation form: x = 1, y = 2

Step-by-step explanation:

Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

5 0
3 years ago
(NEED HELP ASAP)
denis-greek [22]
Pick any value in the y column of the table. I'm going to pick 81. Divide the value you picked by the previous y value, which in my case would be 9

Dividing the values gives: 81/9 = 9

So the base is 9. We multiply each y value by 9 to get the next y value
Eg: to go from 1/81 to 1/9, we multiply by 9. Same for 1/9 to 1, and so on.

Answer: Choice B) 9

Note: This trick only works because x is increasing by 1 each time
8 0
3 years ago
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