1 year ago

I Need the answer for these 3

Mathematics

1 answer:

11111nata11111 [884]1 year ago

5 0

Here you go enjoy

Have a good rest of your night

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Mark and Amber Vinson have $22,000 to invest in two accounts, part at 10% and part at 12%. If they want to earn a return of at l

KengaRu [80]

22,000 x 2= 44,000

120%

So I think it would equal to 345,600,0

I am not sure

P.S. I am not good at math sorry if it is wrong...

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2 years ago

|4a|=20<br> PLEASE HELPPPPPPPPPP

fgiga [73]

Answer:

The answer to |4a|=20 is a=5 or a=-5.

Step-by-step explanation:

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2 years ago

Maya had $27. She spent all the money on buying 3 burgers for $x each and 2 sandwiches for $y each. If Maya would have bought 2

defon

Answer:

Option C

The student's conclusion is correct because the solution to the system of equations $3x+2y=27$ and $2x+y=16$ is $(5,6)$

Step-by-step explanation:

Let

x------> the cost of each burger

y-----> the cost of each sandwich

we know that

$3x+2y=27$ -----> equation A

$2x+y=(27-11)$

$2x+y=16$ ----> equation B

Solve the system of equations

Multiply the equation B by $-2$

$-2(2x+y)=-2*16$ -----> $-4x-2y=-32$ ------> equation C

Adds equation A and equation C

$3x+2y=27 \\-4x-2y=-32\\ ----------\\ 3x-4x=27-32\\ -x=-5\\x=5$

Substitute the value of x in the equation B

$2(5)+y=16$

$10+y=16$

$y=6$

The solution of the system of equations is the point $(5,6)$

The price of each burger is $\$5$

The price of each sandwich is $\$6$

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Step-by-step explanation:

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