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yanalaym [24]
3 years ago
14

Emiliano earned $50 in July. He earned $70 in August. What is the percent increase or decrease in Emiliano's monthly earnings? A

. 40% increase O B. 29% increase C. 40% decrease D. 20% decrease​
Mathematics
1 answer:
Alenkinab [10]3 years ago
5 0

Answer:

the answer is 40% increase

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a chef bought 8 packs of hot dog buns with a total of 48 buns. what is the unit rate for the number in 1 pack? please help.
Romashka [77]
There are 6 buns in each pack.
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7 0
3 years ago
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The demand function for q units of a product at $p per unit is given by p(q + 3)2 = 100,000. Find the rate of change of quantity
wariber [46]

Answer:

-0.625 unit

Step-by-step explanation:

Given that:

p(q+3)^2 = 100, 000

where;

p = price

q = quantity

To find the rate of change of quantity (q) with respect to price (p) we go by the differentiation

(q+3)^2\frac{dp}{dp} +p^2(q+3)\frac{dq}{dp}=0

(q+3)^2 +p^2(q+3)\frac{dq}{dp}=0

\frac{dq}{dp}=\frac{-(q+3)}{2p}

when P =40

Then 4(q+3)² = 100, 000

(q+3)² = \frac{100,000}{4}

(q+3)² = 25,000

(q+3) = \sqrt{2500}

q+ 3 = 50

q = 50 -3

q = 47

NOW; \frac{dq}{dp}=\frac{-(q+3)}{2p}

\frac{dq}{dp}=\frac{-(47+3)}{2*40}

\frac{dq}{dp}=\frac{-47-3}{2*40}

\frac{dq}{dp}=\frac{-50}{80}

\frac{dq}{dp}=-0.625

Thus, the rate of change of quantity with respect to price when p = $40 is -0.625 unit.

8 0
4 years ago
Which of the following is a solution of y - x > -3?
Colt1911 [192]
X<<span>y+<span>3 its simple here is your answer</span></span>
4 0
3 years ago
Find the measure of the central angle that you would draw to represent 67% in a circle graph. Round your answer to the nearest d
natima [27]
Circle=360 so
67%=67% of 360

percent means parts out of 100 so
67%=67/100=0.67

'of' means multiply
67% of 360=0.67 times 360=241.2

round
241

answer is 241 degrees
5 0
3 years ago
If x=1 y= -1, a= -2, b=3, then value of ax+by is_____
Thepotemich [5.8K]

Answer:

- 5

Step-by-step explanation:

Substitute the given values into the expression

ax + by

= (- 2 × 1) + (3 × - 1)

= - 2 + (- 3)

= - 2 - 3

= - 5

4 0
3 years ago
Read 2 more answers
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