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Olin [163]
4 years ago
11

1. For each problem, use the properties of inequalities to write a true inequality statement.

Mathematics
1 answer:
vlabodo [156]4 years ago
8 0

Part a) The true inequality statement is: -2>-5

Part b) The true inequality statement is: -4>-7

Part c) The true inequality is 6

Step-by-step explanation:

We are given the two integers are -2 and -5.

Part a)

Write a true inequality statement.

The true inequality statement is: -2>-5

Part b)

Subtract-2 from each side of the inequality. Write a true inequality statement.

Subtracting -2 from each side we get:

-2>-5\\-2-2>-5-2\\-4>-7

The true inequality statement is: -4>-7

Part c)

Multiply each number by-3. Write a true inequality statement.​

Multiplying -3 on both sides:

-2>-5\\-2*-3>-5*-3\\Multiplying\,\,-3\,\,will\,\,change\,\,the\,\,inequality\,\,sign\\6

The true inequality is 6

Keywords: Solving inequalities

Learn more about Solving inequalities at:

  • brainly.com/question/6703816
  • brainly.com/question/11788572
  • brainly.com/question/4192226

#learnwithBrainly

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I do not understand this
valentinak56 [21]

Answer:

10. 0.20

11. country

12. Hip-Hop and R&B, 3/10

13. Rock, 0.05

Step-by-step explanation:

10. for the boys, pop= 10% and country= 10%. add them together to get 20% and write that as a decimal, which is 0.20

11. 1/5 of 100% is 20%, and 20% of girls chose country as their favorite

12. Hip-Hop and R&B are the favorites for the most boys at 30% each. write that as a fraction of 100% which is 3/10

13. Rock is the least favorite among the girls at 5%, and 5% as a decimal is 0.05

3 0
3 years ago
Please answer all questions I need help
Gwar [14]
For number 9 it's x+8= 14 and 7x=21
For number 10 the answer is that Beth is correct because the only number that could be replaced for x would be 2. There is no number besides 2 that you could put in the equation x+3=5 to get the answer 5.
3 0
3 years ago
A large mixing tank currently contains 350 gallons of water, into which 10 pounds of sugar have been mixed. A tap will open, pou
Marysya12 [62]

Answer

Let t be number of minutes since tap is opened

water is increased by 20 gallons of water per minute.

sugar increase rate of 3 pounds per minute

water :- W(t) = 350 + 10 t

sugar :- S(t) = 10 + 3 t

concentration

C(t) = \dfrac{S(t)}{W(t)}

at t = 15 minutes

C(15) = \dfrac{S(15)}{W(15)}

C(15) = \dfrac{10 + 3\times 15 }{350 + 10\times 15}

C(15) = 0.11

at beginning t = 0 minutes

C(0) = \dfrac{S(0)}{W(0)}

C(0) = \dfrac{10 + 3\times 0}{350 + 10\times 0}

C(0) = 0.0286

C(15) > C(0)

hence, concentration is increasing as time is passing.

3 0
4 years ago
What is the volume of a cylinder whose circumfrence of 2 and heigth of 204?
True [87]
Volume = πr²h

circumference = 2πr = 2,   Height, h = 204

2πr = 2

πr = 2/2

πr = 1

r = 1/π

Volume = πr²h = π*(1/π)² * 204 = 204/π

Volume =  204/π   cubic length or ≈ 64.935 cubic length

I hope this helps.
8 0
4 years ago
What is 78/100 in standard form
grigory [225]

Answer:

0.78 x 10^ 0

Step-by-step explanation:

4 0
3 years ago
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