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VLD [36.1K]
2 years ago
8

Find the product. (-3/5) (2/9)

Mathematics
1 answer:
ivann1987 [24]2 years ago
6 0

Answer:

-0.13333333333

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The radius r and height h of a right circular cone are both increasing at a constant rate of 2 cm/h. At what rate in centimeters
Elden [556K]

Answer:

94.2

Step-by-step explanation:

i honestly dont know if this answer is right but i am currently takeing classes in math about Geometry. We was learning about Word problems, that had to do with volume, Area, and perimeter, and learned what radius is, etc..

  • So i thought you take the formula it gives you and use. Since Pie means 3.14 you use that in the formula. V= 1×3.14×2×15 = 94.2
  • you would multiply everything together because every number is close together.
  • the height is 15 cm, thats how you get 15 at the end.
  • next step is to solve the equation in your calculator. and it gives you that number. = 94.2
7 0
3 years ago
What is the best estimate of the sum of the fractions? StartFraction 31 over 4 EndFraction + StartFraction 17 over 3 EndFraction
sergey [27]

Answer:

The answer is B

Step-by-step explanation:

none

3 0
3 years ago
Read 2 more answers
NO LINKS OR ANSWERING QUESTIONS YOU DON'T KNOW!!!!
Over [174]

9514 1404 393

Answer:

  b.  -150

Step-by-step explanation:

We usually take elevation to be positive above sea level, and negative below sea level. If the elevation is below sea level, it is negative. If it is within 200 ft of sea level, the magnitude of the negative number is 200 or less. That is, the elevation must satisfy ...

  -200 ≤ elevation < 0

The only answer choice in that range is -150.

Ethan's elevation in feet could be -150.

5 0
2 years ago
Name at least two independent variables that could result in a change in a monthly electric bill
CaHeK987 [17]

Answer:

1. The amount of time you keep your porch light on.

2. The temperature you keep your air conditioner at.

Step-by-step explanation:

<u>Porch Light Time Example: </u>

The light does not turn on or off based on the bill, thus its independent, but the bill is effected by the amount of time the light is on thus dependent.

You keep your porch light on for 24 hours a day for 1 month, that month your electricity bill is $50.

Next month you keep your porch light on for 12 hours a day and your electricity bill is $40.

<u>Air Conditioner Temp Example: </u>

The thermostat temperature is not effected by the bill, thus its independent, but the bill is effected by the thermostat, thus dependent.

You set your thermostat to 70 degrees for 1 month, that month your electricity bill is $50.

Next month you set your thermostat to 75 degrees for 1 month, that month your electricity bill is $40.

7 0
2 years ago
You are saving for a skateboard that costs $125. Your aunt gives you $45 to start and you save $3 each week. The expression 45 +
AnnZ [28]

Answer:

4 weeks= $57

45+3(4)

45+12=57

10 weeks= $75

45+3(10)

45+30=75

15 weeks= $90

45+3(15)

45+45=90

20 weeks=$105

No there is not enough money because you are $20 short after 20 weeks. You need to wait 7 more weeks




5 0
3 years ago
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