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kompoz [17]
3 years ago
7

Simplify 3(4x+10)+-2(5x+11)

Mathematics
2 answers:
kompoz [17]3 years ago
7 0

Answer:

3*4x+3*10-2*5x-2*11=12x+30-10x-22=2x+8

Step-by-step explanation:

Remove all the terms inside the brackets and multiply each by the values outside the bracket(expand) then solve each of the like terms (12x,10x and 30,22)

e-lub [12.9K]3 years ago
4 0
3(4x + 10) + -2(5x + 11)
12x + 30 - 10x - 22
Combine liked terms
2x + 8

Answer:
2x + 8
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In physics, Boyle’s law states that if the temperature is constant, then the pressure, P, of a gas is inversely proportional to
VMariaS [17]

The constant of proportionality for this situation is 425

Step-by-step explanation:

When a quantity is inversely proportional with another quantity, then

the product of the two quantities is constant

1. If y is inversely proportional with x

2. Then y ∝ \frac{1}{x}

3. that mean y = \frac{k}{x} where k is the constant of variation

4. Then xy = k

∵ In physics, Boyle’s law states that if the temperature is constant

∵ The pressure, P, of a gas is inversely proportional to the volume,

   V, of the gas

∴ P ∝ \frac{1}{V}

∴ P = \frac{k}{V}

∵ The pressure of the gas in a cylinder is equal to 250 kilo pascals

∵ The volume of the container is 1.7 cubic meters

- Substitute these values in the rule of variation to find k

∴ 250 = \frac{k}{1.7}

- Multiply both sides by 1.7

∴ k = 425

The constant of proportionality for this situation is 425

Learn more:

You can learn more about proportion in brainly.com/question/10708697

#LearnwithBrainly

4 0
3 years ago
The cable company charges a monthly fee of $45. Each movie rental is $1.99. You owe 68.88. How many movies did you rent?
lukranit [14]
45+1.99x=68.88
Subtract 45 from both sides
1.99x = 23.88
Divide both sides by 1.99
X=12
3 0
3 years ago
Read 2 more answers
What Is 18/11 As A Decimal?
Hitman42 [59]
the answer is 1.63636364 
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3 years ago
What is the equation for <br><br> 6/7 - 1/8=
miv72 [106K]
Another way to put 6/7 - 1/8 is 48/56- 7/56 since the LCM of 7 and 8 is 56 (if you don’t know what that is I can explain it) sorta like subtraction you subtract both numerators (48 and 7 or 48-7) which gives you 41 then you put the denominator (56) below that. So in other words it equals 41/56
3 0
3 years ago
KLMN ~ PQRS ; find x<br> Pls help!!
Valentin [98]
A should be the answer I hope it helps
7 0
3 years ago
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