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2 years ago

12

Christian and Yong had some stickers in the ratio 2:3. After Yong gave Christian 15 stickers, the ratio became 5:7. What was the

total number of stickers they ? HELP QUICK ASAP!!

1 answer:

Snezhnost [94]2 years ago

6 0

Answer:

15:23

step-by-step explanation:

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Suppose that for a company manufacturing calculators, the cost, revenue, and profit equations are given by Start 1 By 3 Matrix

Nesterboy [21]

Answer:

Cost is Increasing at a rate of 20,000 per week
Revenue is decreasing at a rate of 100,000 per week
Profit is decreasing at a rate of 120,000 per week

Step-by-step explanation:

The cost, revenue, and profit equations for a company manufacturing calculators are given below:

Cost, C=90000+40x
Revenue, $R=200x-\frac{x^2}{20}$
Profit = R - C

$\frac{dx}{dt} =500\\$ When Production output x=4000

<u />

<u>Change in Cost</u>

Cost, C=90000+40x

$\frac{dC}{dt} =40\frac{dx}{dt}=40*500\\\frac{dC}{dt}=20,000$

<u>Change in Revenue</u>

$\frac{dR}{dt} =200\frac{dx}{dt}-\frac{x}{10}\frac{dx}{dt}\\=200*500-\frac{4000}{10}*500\\\frac{dR}{dt} =-100,000$

<u>Change in Profit</u>

$\frac{dP}{dt} =\frac{dR}{dt}-\frac{dC}{dt}\\=-100,000-20,000\\\frac{dP}{dt}=-120,000$

Therefore, when production output is 4000 and increasing at a rate of 500 calculators per week,

Cost is Increasing at a rate of 20,000 per week
Revenue is decreasing at a rate of 100,000 per week
Profit is decreasing at a rate of 120,000 per week

5 0

3 years ago

What is the answer for this problem?

Lilit [14]

B is my answer.............. hope it helps

8 0

3 years ago

7. The value of a computer has a decay factor of 0.85 per year. After 2 years, the computer is worth $1445. What was the origina

Readme [11.4K]

Answer:

$64222.22

Step-by-step explanation:

If we call the original value as x, we can write:

1445 = x * (0.15)² (Note: We write 1 - 0.85 = 0.15 and not 0.85 because 0.85 is the decay factor)

1445 = 0.0225x

x ≈ 64222.22

7 0

3 years ago

Read 2 more answers

Kalynn plans to cut an 8 foot sandwich into pieces that are 1/2 foot long. How many pieces of the sandwich will she have after i

Kazeer [188]

Answer: 16

You divide 8 by 1/2 and you get 16 pieces

3 0

3 years ago

A rectangular block of copper metal has a mass of 1800 grams. The dimensions of the block

Hoochie [10]

Use formula p=m/v
P is density
M is mass
V volume
So you have the volume already now 8x5x4= 160 which is the volume
P= 1800/160 after you divide you get 11.25
The density is 11.25

3 0

3 years ago