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Molodets [167]
3 years ago
10

Mrs. Murphy earns a 3.5% commission at her job in retail. How much does she need to sell in order to earn $630

Mathematics
2 answers:
Dimas [21]3 years ago
6 0
Answer: 22.05
Hope this works
nexus9112 [7]3 years ago
4 0

<em>Answer</em>

<em>$22.05</em>

<em></em>

<em>She need to sell she need to sell </em><u><em>$22.05</em></u><em> in order to earn in order to earn $630</em>

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Find the equation of the line tangent to the function at the given point f(x)=5x^2 at x=10
Svet_ta [14]

f(x) = 5x²

f(10) = 5(10)²  = 5(100)  = 500

f'(x) = 10x

f'(10) = 10(10)   = 100  

Now, find the line that passes through (10, 500) and has a slope of 100

y - y₁ = m(x - x₁)

y - 500 = 100(x - 10)

y - 500 = 100x - 1000

        y = 100x - 500

8 0
3 years ago
the production of a printer consists of the cost of raw material at 100 dollars the cost of overheads at 80$ and wages at 120$ i
Vadim26 [7]

Answer:

The percentage increase in the production cost of the printer is 3%.

Step-by-step explanation:

We are given that the production of a printer consists of the cost of raw material at 100 dollars the cost of overheads at 80$ and wages at 120$.

Also, the cost of raw materials and overheads are increased by 11% and 20% respectively while wages are decreased by 15%.

Cost of raw material = $100

Cost of overheads = $80

Cost of wages = $120

So, the total cost of the printer = $100 + $80 + $120

                                                   = $300

Now, the increase in the cost of raw material = $100 + 11% of $100

                                                                           = \$100 + (\frac{11}{100} \times \$100)

                                                                           = $100 + $11 = $111

The increase in the cost of overheads = $80 + 20% of $80

                                                                = \$80 + (\frac{20}{100} \times \$80)

                                                                = $80 + $16 = $96

The decrease in the cost of wages = $120 - 15% of $120

                                                          = \$120 - (\frac{15}{100} \times \$120)

                                                          = $120 - $18 = $102

So, the new cost of a printer = $111 + $96 + $102 = $309

Now, the percentage increase in the production cost of the printer is given by;

      % increase =  \frac{\text{Net increase in the cost of printer}}{\text{Original cost of printer}} \times 100

                         =  \frac{\$309- \$300}{\$300} \times 100

                         =  3%

Hence, the percentage increase in the production cost of the printer is 3%.

4 0
3 years ago
What is the value of the expression 5ab-2c, where a =2, b=3 and c=0?
ira [324]

Answer:

30

Step-by-step explanation:

5*2*3 - 2*0 = 30 - 0 = 30

5 0
2 years ago
For problems 3 and 4, find the missing side of the triangle. Leave answers in simplest radical form.
maria [59]

Answer: 3. 4\sqrt{13}            4. \sqrt{225}    

Step-by-step explanation:

8^2 + 12^3 = c^2

64 + 144 = c^2

208 = c^2

√208

4\sqrt{13}

The final answer is the square root of 208

8^2 + b^2 = 17^2

64 + b^2 = 289

-64               64

   b^2 = 225

\sqrt{225}

 

7 0
3 years ago
The teachers at West Elementary are planning a field trip for 385 students. It will cost $1,750 for transportation and $3,080 fo
melomori [17]
The cost needed for the trip is <span>$1,750 for transportation and $3,080 for tickets to the museum.
This makes a total of: 1750 + 3080 = $4830 needed

Now, we have 385 students. Teachers will collect $12 from each. This means that the amount collected would be: 12 * 385 = $4620

Based on the above calculations, the amount needed for the trip is $4830 and the amount collected is $4620.
This means that collecting $12 from each student would not be enough for the trip.</span>
5 0
3 years ago
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