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2 years ago

12

the company president sets a goal that the percentage of working phones must increase from 30% to at least 80% by the end of the

day (ignore the answer picked)

1 answer:

MArishka [77]2 years ago

5 0

Answer:

D

Step-by-step explanation:

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Tina has 1/2 of a pan of cornbread left from a dinner party she eats 1/2 of the leftover part the next night how much of the who

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tina eats 1/4 of the pan

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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:

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

7 0

3 years ago

Giving out BRAINLIEST, THANKS, 5 STARS, and POINTS if answered correctly!<br> PLS HELP ASAP!

AnnyKZ [126]

Answer:

it is the first option

Step-by-step explanation:

the middle (median)is 31 and where the Q starts is 26

7 0

3 years ago

the sum of three numbers is 144. the third number is 4 times the first. the second number is 6 more than the first. what are the

Law Incorporation [45]

First I would change the descriptions of the numbers into expressions.

first number is n
second number is n + 6
third number is 4n (4 x n)

Then you would insert these expressions into an equation and isolate n.

n + n + 6 + 4n = 144
n + n + 4n = 144 - 6
6n = 138
n = 138/6
n = 23

Lastly, you would plug in this value into all of the expressions.

first number is 23
second number is 23 + 6 = 29
third number is 4(23) = 92

Therefore, the numbers are 23, 29, and 92.

7 0

3 years ago