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3 years ago

Plz help me it’s emergency

Mathematics

1 answer:

OverLord2011 [107]3 years ago

5 0

Answer:

Profit Percentage: 67.29%

Step-by-step explanation:

Mia spent 50*$28 = $1,400

From batch 1, she earned $1,862

From batch 2, she earned $480

In total, her net earnings are $942

Net Profit Margin: 40.22%

Profit Percentage: 67.29%

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Write two addition sentences where the sum is zero. Describe the numbers.

Neko [114]

0+0=0 0+0=0+0

They are all addition, and they are all 0, and since 0 equals nothing, the sum is equivalent to 0!

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3 years ago

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{ y = - 4x-23-4x-3y=13

sleet_krkn [62]

For this case we have the following system of equations:

$y = -4x-23\\-4x-3y = 13$

We solve by the substitution method:

We substitute the first equation in the second equation:

$-4x-3 (-4x-23) = 13$

We apply distributive property considering that $- * - = +:$

$-4x + 12x + 69 = 13\\8x + 69 = 13$

We subtract 69 from both sides of the equation:

$8x = 13-69\\8x = -56$

We divide by 8 on both sides of the equation:

$x = \frac {-56} {8}\\x = -7$

We look for the value of the variable y:

$y = -4 (-7) -23\\y = 28-23\\y = 5$

Thus, the solution of the system is $(x, y): (-7,5)$

Answer:

$(x, y): (-7,5)$

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4 years ago

Use the table to write a proportion.

Mademuasel [1]

6 penalties/8 penalties
16 min/21.3

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3 years ago

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Hell me please 1 isnt right

Ber [7]

Step-by-step explanation:

I got this much.....

I am sorry of it gets wrong

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Help!!! Quick answer please!

olga_2 [115]

Answer:

18 sq ft

Step-by-step explanation: all you have to do is add the sides. 5+5=10

4+4= 8

10+8=18

This makes the most sense with the answers givin

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