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son4ous [18]
3 years ago
13

Grade 7 : Help, anyone? Urgent!!!!!!!!

Mathematics
1 answer:
MariettaO [177]3 years ago
4 0
Materials = $4.25
Labor = $5.35
Sale Price = $16.99

A.)  Profit = Sale Price - (Materials + Labor)
      Profit = 16.99 - (4.25 + 5.35)
      Profit = 16.99 - (9.60)
      Profit = $7.39

      Profit / Sale Price = % Profit
      7.39 / 16.99
             or
       739 / 1699

B.)  % Profit = Profit / Sale Price × 100
      % Profit = 7.39 / 16.99 × 100
      % Profit = 0.43496 × 100
      % Profit = 43.496 %
      % Profit = 43 %

C.)  Total Sales = $324.86

       Necklaces Sold = Total Sales / Individual Sale Price
       Necklaces Sold = 324.86 / 16.99
       Necklaces Sold = 19.12 

**This question is absolutely ridiculous because either she made money from tips or someone either paid too much or too little**

       Total Profit = Necklaces Sold × [Sale Price - (Materials + Labor)]
       Total Profit = 19 × [16.99 - (4.25 + 5.35)]
       Total Profit = 19 × (7.39)
       Total Profit = $140.41

               OR

       Total Profit = 20 × (7.39)
       Total Profit = $147.80
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A swimming pool can be filled in 18 hours if water enters through a pipe​ alone, or in 25 hours if water enters through a hose a
pychu [463]
I am not sure, but this is what I got:
 <span>Pipe ALONE = 18 hours 

Pipe ALONE in 1 hour = 1/18 of the pool 

Hose ALONE in 1 hour = 1/25 of the pool 

TOGETHER in 1 HOUR = 1/18 +1/25 = 43/450 

TOGETHER they will fill the pool in 450/43 hours 

So 5/6 of the pool will take 5/6 X 450/43 = 2250/ 258 = 8.7209302 hours OR 

8 hours AND 43.26 minutes ANSWER
</span>
Hope this helps!


6 0
3 years ago
Si la amplitud del complemento de un ángulo agudo es mayor, menor o igual que la del suplemento de un ángulo agudo. ¿podes respo
Harrizon [31]

Answer:

Dados dos ángulos vecinos, ambos son complementarios si la suma de sus medidas es igual a 90° y suplementarios si esa suma de medidas es igual a 180°. Puesto que uno de los ángulos es el ángulo agudo mencionado en el enunciado, es decir, un ángulo cuya medida es mayor que 0° y menor que 90°. Entonces, el ángulo complementario debe ser inevitablemente menor que el ángulo suplementario.

Step-by-step explanation:

Dados dos ángulos vecinos, ambos son complementarios si la suma de sus medidas es igual a 90° y suplementarios si esa suma de medidas es igual a 180°. Puesto que uno de los ángulos es el ángulo agudo mencionado en el enunciado, es decir, un ángulo cuya medida es mayor que 0° y menor que 90°. Entonces, el ángulo complementario debe ser inevitablemente menor que el ángulo suplementario.

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What percent of the copiers are expected to fail before 36 months?
Korvikt [17]

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Step-by-step explanation:

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Solve the following system of equations by substitution.
jasenka [17]

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The answer is B.(5,10)

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5 0
3 years ago
Read 2 more answers
Can you guys please help me posted picture of question
Dimas [21]
Number of outcomes of rolling a die = 6
Number of outcomes from the spinner = 8

First we have to draw the 6 leaves to represent the 6 outcomes of rolling the die. Next on each of these leaves 8 possible outcomes of the spinner will be drawn using leaves.

So 6 leaves are being divided into further 8 leaves.

Thus total number of leaves will be  = 6 x 8 = 48 leaves

Therefore, the correct answer is option D 
3 0
3 years ago
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