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Vesna [10]
2 years ago
13

The table shows the number of blue marbles and red marbles that four friends have collected.

Mathematics
1 answer:
Alborosie2 years ago
7 0

Answer:

Gretchen be cause she has 2:14

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HELP PLS!! Which of the following numbers is part of the solution for the inequality-8>-4t+5?
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I believe the answer would be C. u subtract the 5 from both sides and divide by the -4 and flip the inequality. it has to be greater than than 13/4.
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A new car has a sticker price of $23,750, while the invoice price paid on it was $22,950. what is the percentage markup?
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7 0
2 years ago
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On a job application, Doris gave her age as 32 years. Her actual age at the time was about 27.What is the relative error for her
QveST [7]

Answer:

18.52%

Step-by-step explanation:

Relative error can be described as the ratio of the measured absolute value to the actual value

relative error = (stated age - actual age) / actual age x 100

(32 - 27) / 27 x 100

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8 0
3 years ago
suppose for your cookout you need to make 100 hamburgers. you know that 2 pounds will make 9 hamburgers. how many pounds will yo
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6 0
2 years ago
What is the value of y in the solution to the system of equations? 1/3x + 1/4y = 1 2x-3y=-30​
Zepler [3.9K]

Answer:

<h2>y = 8</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}\dfrac{1}{3}x+\dfrac{1}{4}y=1&\text{multiply both sides by 12}\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}12\!\!\!\!\!\diagup^4\cdot\dfrac{1}{3\!\!\!\!\diagup_1}x+12\!\!\!\!\!\diagup^3\cdot\dfrac{1}{4\!\!\!\!\diagup_1}y=12\cdot1\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}4x+3y=12\\2x-3y=-30&\text{multiply both sides by (-2)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}4x+3y=12\\-4x+6y=60\end{array}\right}\qquad\text{add both sides of the equations}

.\qquad9y=72\qquad\text{divide both sides by 9}\\.\qquad y=8

6 0
3 years ago
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