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Neko [114]
2 years ago
6

I need help with this

Mathematics
1 answer:
Lisa [10]2 years ago
8 0

Answer:

1

Step-by-step explanation:

15,580.84 rounded to the nearest 10 thousand is 20,000

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An electric motor makes 3,000 revolutions per minutes. How many degrees does it rotate in one second?
GrogVix [38]
Maybe like 5 minutes because of how much it is turning in a minimum amount of time

6 0
3 years ago
The marketing department of a sports supply store wants to estimate the percentage of adults in the town who belong to a gym.
velikii [3]
A) If you only sample people in a sports supply store, your sample will be biased.  People in a sports supply store are more likely to be people that belong to a gym.
B) While it does not have necessarily the same amount of bias as sampling people in the sports supply store, people that go to a park are generally more likely to be people that exercise or have a gym membership.
C) Taking a random sample of people in town is a good way to get a non-biased sample.  They are not necessarily predisposed to answer your question one way or another.
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4 0
3 years ago
Solve x^3 = 1/8 Is it 1/2, +1/2, 1/4 or + 1/4 ( area and square roots)
k0ka [10]

Answer:

Step-by-step explanation:

x^3 = 1/8

Taking the cube of both side

x^3 = 1/(2)^3

(x)^3 = (1/2)^3

Eliminate ^3 from both sides

x = 1/2

8 0
3 years ago
Can someone help me with this question?
sesenic [268]

Answer:

One of the angles in the triangle might be 50.

AND

The length of the third side must be 11cm or smaller.

Step-by-step explanation:

-The triangle might be an equilateral triangle (having all the same sides and angles). False, since the triangle sum theorem states that all angles inside of a triangle must add up to 180, so an equilateral triangle would need to have all three angles at 60 degrees.

-One of the angles in the triangle must be 120 (false; it can be anything above 90, which is not only 120)

-The length of the third side must be 11cm or smaller. (True, Triangle Inequality Theorem)

-One of the angles in the triangle might be 50 (possibly, so very much true)

3 0
2 years ago
If B is the midpoint of AC and AB = 4x + 14 and BC = x + 20, determine how long AC is.
Serhud [2]

Answer:

44 units

Step-by-step explanation:

Since B is the mid-point of AC

AB=BC

or,4x+14=x+20

or, 4x-x=20-14

or 3x=6

or,x=6/3=2

AC=AB+BC

= 4x+14+x+20

= 4(2) + 14 +2 +20

= 8+14+22

=44 units

5 0
3 years ago
Read 2 more answers
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