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TEA [102]
2 years ago
6

N is an integer and -2

Mathematics
1 answer:
aliya0001 [1]2 years ago
6 0

Answer:

(2) n > 6 (3) -4, -3, -2, -1, 0, and 1.

Step-by-step explanation:

(2) to solve first we subtract 12n from both sides making it 3n > 18 then we divide 3...making it n>6 (remember if you're solving an inequality its not unlike solving an equation)

(3) For this let's separate it into -2<n+3 which solving gets us n > -5

Steps: we subtract 3 from both sides again which makes it -5 < n but usually the variable should go to the left of an equality so n> -5

The other part is n+3 is less than equal to 4. which equals n is less than equal to 1 (I think you get how to solve now :)

once we combine both of the inequalities you'll get -5<n less than equal to 1. Which means the possible values are -4, -3, -2, -1, 0, and 1.

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The store buys a vase for $25. The vase sells for $55. What is the markup on the vase?
Hatshy [7]

Answer:

The answer is $30

Step-by-step explanation:

Markup refers to the amount added to the cost price of goods to cover overhead and profit.

The vase was bought for $25, then is now selling for $55

$55-$25=$30

hope this helps please mark brainliest :)

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2 years ago
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One teacher wants to give each student 1 1/2 slices of pizza. If the teacher has 9 slices of pizza, then how many students will
Alecsey [184]

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6 students

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6 times 1.5 equals 9

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3 years ago
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Your bank account has a balance of −$12. You deposit $60. What is your new balance?
koban [17]

\tt{Hey~there!

\tt{To~find~out~how~much~money~is~in~the~bank,~add~-12~and~60.

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3 years ago
Given: f(x) = x - 7 and h(x) = 2x + 3<br> Write the rule for f(h(x)).
Lena [83]

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Type the correct answer in the box. Express your answer to three significant figures. An air mattress is filled with 0. 55 moles
qaws [65]

The volume of the air mattress in liters is 385.43 liters approx.

<h3>What is ideal gas law?</h3>

For an ideal gas(or a gas that behaves sufficiently like an ideal gas), we have the following relation:

\rm PV = nRT

where, the symbol denotes:

  • P = Pressure of the gas
  • V = volume of the gas
  • T = temperature of the gas
  • n = count of moles of the gas
  • R = universal gas constant = 8314.46261815324 L.Pa.K^{-1}.mol^{-1}

For the given case, the gas in the air mattress has following properties:

P = 3.5 kilopascals =3500 pascals

T =295 K

n = 0.55 moles

V = volume of gas in air mattress = volume of mattress (to evaluate).

Thus, using the ideal gas law, we get:

V = \dfrac{nRT}{P} = \dfrac{0.55 \times 8314.46261815324 \times 295}{3500} \approx 385.43 \: \rm liters

Thus, the volume of the air mattress in liters is 385.43 liters approx.

Learn more about ideal gas law here:

brainly.com/question/4147359

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