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seropon [69]
2 years ago
12

If -2a > 6 then a < -3 true or false

Mathematics
1 answer:
Lelechka [254]2 years ago
3 0

Answer:

True

Step-by-step explanation:

To solve it you divide both sides by -2, which flips the inequality sign around.

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100 POINTS!!! PLEASE SHOW YOUR WORK. I WANT TO UNDERSTAND IT
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Answer:

100 POINTS!!! PLEASE SHOW YOUR WORK. I WANT TO UNDERSTAND IT

5 QUESTIONS

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2) Xavier wants to make 10 gallons of a 42% saline solution by mixing together a 50% saline solution and a 10% saline solution. How much of each solution must he use?

3) A passenger on a plane made a trip to Portland and back/ The plane took the same route coming back. On the trip there it flew 210 kilometers per hour and on the return trip it went 280 kilometers per hour. If the total trip took 5 hours, how long did the trip take coming back?

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8 0
2 years ago
Find the standard deviation of
Kruka [31]

Answer:

11.5

The sample standard deviation measures the spread of a data distribution of the sample. It is usually used to estimate the population standard deviation

7 0
2 years ago
Please help
earnstyle [38]

Please consider the graph of the sphere.

We know that the volume of sphere is equal to \frac{4}{3}\pi r^3, where r represents radius of sphere.

We can see that diameter of sphere is 30 inches. We know that radius is half the diameter, so radius of the given sphere would be half of 30 inches that is \frac{30}{2}=15 inches.

V=\frac{4}{3}\pi r^3

V=\frac{4}{3}\pi (15\text{ in})^3

V=\frac{4}{3}\pi \times 3375\text{ in}^3

V=4\times 1125\pi \text{ in}^3

V=4500\pi \text{ in}^3

Therefore, the volume of the given sphere is 4500\pi\text{ in}^3 and option B is the correct choice.

8 0
3 years ago
I have to find the value of x please help me will give brainliest to correct answer​
Semenov [28]

Answer:

C. x = 5

Step-by-step explanation:

48 = 7x + 13

-13           -13

35 = 7x

5 = x

7 0
2 years ago
What is the median of 70,50,30,40
Marina86 [1]

Answer:

45

Step-by-step explanation:

6 0
2 years ago
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