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NeX [460]
3 years ago
11

If a /b = p /q, then (a + b )/b = _______. (p + b )/q (p + p)/q (p + q)/q (p + a)/q

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
6 0

Answer:

\dfrac{a+b}{b}=\dfrac{p+q}{q}

Step-by-step explanation:

The given equation is,

\Rightarrow \dfrac{a}{b}=\dfrac{p}{q}

Adding 1 in both sides,

\Rightarrow \dfrac{a}{b}+1=\dfrac{p}{q}+1

\Rightarrow \dfrac{a+b}{b}=\dfrac{p+q}{q}

This rule is also known as Componendo property of fractions.

Therefore,

\dfrac{a+b}{b}=\dfrac{p+q}{q}


maxonik [38]3 years ago
5 0
Hope this helps you!

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Complete the number pattern for 3,400,00 34,000 ______ 3.4 ______
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The blank answers are 340 and 0.34

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3 years ago
Help for brianilist! first answer will get brianilist!!!!!!!
stealth61 [152]
HI THERE!!!!!

The answer is your question is the second choice 59 in^2.

Here is how you can do it:
 
1. Area of rectangle = length*width = 7*4 = 28 square inches
2. Area of triangle on the top = 0.5*base*height = 0.5*7*6 = 21 square inches
3. Area of triangle on right side = 0.5*base*height = 0.5*4*5 = 10 square inches.

Now you can do the total area:
Add them all →→ 28+21+10 = 59

Hope this helps u out.;)P.S. id really appreciate brainliest thx

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7 0
3 years ago
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Kay [80]

Answer:

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Step-by-step explanation:

7 0
3 years ago
17) The total cost to produce x units of paint is C(x) = (5x + 3)(7x + 4). Find the marginal
Bad White [126]

Answer:

17) MC(x) = 35 − 12/x²

18) R(x) = -0.05x² + 80x

Step-by-step explanation:

17) The marginal average cost function (MC) is the derivative of the average cost function (AC).

AC(x) = C(x) / x

MC(x) = d/dx AC(x)

First, find the average cost function:

AC(x) = C(x) / x

AC(x) = (5x + 3)(7x + 4) / x

AC(x) = (35x² + 41x + 12) / x

AC(x) = 35x + 41 + 12/x

Now find the marginal average cost function:

MC(x) = d/dx AC(x)

MC(x) = 35 − 12/x²

18) x is the demand, and p(x) is the price at that demand.  Assuming the equation is linear, let's use the points to find the slope:

m = (40 − 50) / (800 − 600)

m = -0.05

Use point-slope form to find the equation of the line:

p(x) − 50 = -0.05 (x − 600)

p(x) − 50 = -0.05x + 30

p(x) = -0.05x + 80

The revenue is the product of price and demand:

R(x) = x p(x)

R(x) = x (-0.05x + 80)

R(x) = -0.05x² + 80x

7 0
3 years ago
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