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Whitepunk [10]
3 years ago
10

Identify the terms and like terms in the expression.

Mathematics
1 answer:
AleksandrR [38]3 years ago
4 0

Answer:

terms: 2n, -n, -4, 7n

like terms: 2n, -n, 7n

Step-by-step explanation:

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A company knows that unit cost C and unit revenue R from the production and sale of x units are related by Upper C equals StartF
levacccp [35]

Answer:

$990 per unit.

Step-by-step explanation:

The Unit Cost (C) and Unit Revenue R from the production and sale of x units are related by the function:

C=\dfrac{R^2}{220000} +3221

We are required to find the rate of change of revenue per unit when the cost per unit is changing by $9 and the revenue is ​$1,000.

Rate of Change of C,

\dfrac{dC}{dt}=\dfrac{R}{110000} \dfrac{dR}{dt} \\\dfrac{dC}{dt}=\$9, R=\$1000\\9=\dfrac{1000}{110000} \dfrac{dR}{dt}\\\dfrac{dR}{dt}=9 \div \dfrac{1000}{110000}\\=9 X  \dfrac{110000}{1000}\\\dfrac{dR}{dt}=\$990 $ per unit$

The Revenue is changing at a rate of $990 per unit.

6 0
3 years ago
Find the equation of a line that passes through the point (3,5) and has a gradient of 2.
Karolina [17]

Answer:

y = 2x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 2 , then

y = 2x + c ← is the partial equation

To find c substitute (3, 5) into the partial equation

5 = 6 + c ⇒ c = 5 - 6 = - 1

y = 2x - 1 ← equation of line

7 0
3 years ago
Please help also with the questions on the picture, it's really urgent too...... Thank you✨<br><br>​
tiny-mole [99]
2.(6-2)x180
=720
2x+2x+x+115+105+100=720
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n=24
b)3960/24=165
Exterior angle=180-165
=15
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4 years ago
Help please omg lord
ludmilkaskok [199]

Answer:

"Not really sure sorry"

Step-by-step explanation:

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Please help with this math problem ASAP! Will give brainliest!
Charra [1.4K]

Answer:

I only know what y is, y is 4a, wait I think a is z and z is a. I’m not sure

Step-by-step explanation:

6 0
3 years ago
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