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kirill [66]
3 years ago
14

To solve the formula M = 2P + 3Q for the variable Q

Mathematics
2 answers:
PolarNik [594]3 years ago
7 0
Q=M-2P/3

because in order to solve for a variable you have to get alone. Make sense?
pickupchik [31]3 years ago
3 0
M = 2P + 3Q
SUBTRACT 2P FROM BOTH SIDES
3Q = M - 2P
DIVIDE BOTH SIDES BY 3
Q = (M - 2P)/3
You might be interested in
PLEASE HELP ASAP!!!!
lina2011 [118]
<h3>Answer:</h3>

System

  • p + m = 10
  • 0.8m = 0.4·10

Solution

  • p = m = 5 — 5 lb peanuts and 5 lb mixture
<h3>Step-by-step explanation:</h3>

(a) Generally, the equations of interest are one that models the total amount of mixture, and one that models the amount of one of the constituents (or the ratio of constituents). Here, there are two constituents and we are given the desired ratio, so three different equations are possible describing the constituents of the mix.

For the total amount of mix:

... p + m = 10

For the quantity of peanuts in the mix:

... p + 0.2m = 0.6·10

For the quantity of almonds in the mix:

... 0.8m = 0.4·10

For the ratio of peanuts to almonds:

... (p +0.2m)/(0.8m) = 0.60/0.40

Any two (2) of these four (4) equations will serve as a system of equations that can be used to solve for the desired quantities. I like the third one because it is a "one-step" equation.

So, your system of equations could be ...

  • p + m = 10
  • 0.8m = 0.4·10

___

(b) Dividing the second equation by 0.8 gives

... m = 5

Using the first equation to find p, we have ...

... p + 5 = 10

... p = 5

5 lb of peanuts and 5 lb of mixture are required.

8 0
4 years ago
A fair coin is tossed 14 times, what is the probability of exactly 6 heads
Mrrafil [7]

Answer:

42.85% or 6/14

Step-by-step explanation:

6 / 14 = 0.428571428571

0.428571428571 * 100 ~ 42.85%                

<em>Can I get Brainliest?</em>                    

6 0
4 years ago
What is -4 times -1 plus 3?
Tom [10]
The answer is 7. Double negatives cancel out so -4x-1=4 then add three
8 0
4 years ago
Read 2 more answers
Help asap! 14 points given
STALIN [3.7K]
In graphing or? To answer this you’re going to need to be more specific
8 0
3 years ago
On a scale drawing a door that is 7 feet tall is drawn 2 inches tall. In this scale, 1 inch is equal to how many feet?
Cloud [144]

Answer:

4.5 ft

Step-by-step explanation:

7/2=4.5

8 0
3 years ago
Read 2 more answers
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