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Naddik [55]
3 years ago
13

6 The manufacturer of an oven states that the

Mathematics
1 answer:
Len [333]3 years ago
7 0

Result, Rachel can be certain that the temperature is suitable for her cake.

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A local store is selling fresh tuna. The table below shows the price for the amount of tuna.
r-ruslan [8.4K]

Answer:

I predict it would be $45

Step-by-step explanation:

7 0
2 years ago
What is the mean absolute deviation of this data set?<br><br> 4, 8 , 3, 8, 7, 10, 9
sergeinik [125]

Answer: Mean Absolute Deviation (MAD): 7

Hope this helps u!

Have a good day and stay safe!

8 0
3 years ago
Read 2 more answers
A manufacturer has been selling 1000 flat-screen TVs a week at $500 each. A market survey indicates that for A manufacturer has
luda_lava [24]

Answer:

a) Demand function: q=6000-10\cdot p

b) The rebate should be of $200, so the sale price becomes $300 per unit.

c) The rebate should be of $150, so the sale price becomes $350 per unit.

Step-by-step explanation:

a) In this case, we have a known point of the demand function (1000 units sold at $500), and the slope of a linear function (increase by 100 units fora decrease in $10).

We can express the demand function (linear) as:

q=b+m\cdot p

To calculate the slope m, we use:

m=\Delta q/\Delta p=(+100)/(-10)=-10

To calculate b, we use the known point and the calculated slope:

q=b+m\cdot p\\\\b=q-m\cdot p=1000-(-10)\cdot (500)=1000+5000=6000

Then the demand function is:

q=6000-10\cdot p

b) The revenue can be expressed as:

R=q\cdot p = (6000-10p)\cdot p=6000p-10p^2

To maximize, we can derive and equal to zero

dR/dp=6000-2*10p=0\\\\20p=6000\\\\p=300

The rebate should be of $200, so the sale price becomes $300 per unit.

c) If we take into account the cost, we have that

R=q\cdot p-C=(6000p-10p^2)-(68000+100q)\\\\R=(6000p-10p^2)-(68000+100(6000-10p))\\\\R=6000p-10p^2-(68000+600000-1000p)\\\\R=-10p^2+7000p-668000

To maximize, we can derive and equal to zero

dR/dp=-20p+7000=0\\\\p=7000/20=350

The rebate should be of $150, so the sale price becomes $350 per unit.

5 0
3 years ago
Expression of "three fifths of a number b subtracted from thrice the same number" into mathematical symbol
liubo4ka [24]

Answer:

3b - \frac{3}{5} b  

Step-by-step explanation:

Let the number be "b"

So the expression would be:

3b - \frac{3}{5} b  

6 0
3 years ago
Which number line shows all the values of x that make the inequality -3x + 1 &lt; 7 true
Brilliant_brown [7]

After solving the equation (work shown in image) your answer would be x > -2. I drew an image of how the number line should look at least similar to, using the solution.

*whenever you divide or multiply with a negative number reverse/flip the sign

< or > signs will always have an open circle

≥ or ≤ signs will have a closed/filled in circle

TIP: To know which way the arrow should point, look at the sign and think of it as an arrow.

< would have the arrow on the number point

this way: <-

or > which would have the arrow on the number line point this way: ->

8 0
2 years ago
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