Ask question

Ask question

All categories

2 years ago

12

Jan conducts an experiment and tosses a coin 40 times. She gets heads 30 times instead of the expected 20. What could be a reaso

n for this difference?
A) She miscounted.
B) She needs more trials.
C) She needs a different coin.
D) She got 30 and that is close enough.

1 answer:

Nady [450]2 years ago

8 0

the answer is B. hope i helped

You might be interested in

What is the slope of the line given by the following equation? Give an exact number. -13x 5y=-7

Black_prince [1.1K]

The slope should be 13/5x

8 0

3 years ago

Define democracy?Write any four key elements of democracy. Easy answer required.

umka21 [38]

Democracy: a system of government by the whole population or eligible members of state, typically through elected representatives

elements:
- equality
- accountability
- rule of law
- transparency

6 0

3 years ago

What is the volume of this container?

Keith_Richards [23]

Answer:

The volume of the container is $56\ in^{3}$

Step-by-step explanation:

we know that

The volume of the figure is equal to

$V=Bh$

where

B is the area of the base

h is the height of the figure

Let

$h=4\ in$

Find the area of the base B

$B=(4*4)-(1*2)=14\ in^{2}$

substitute

$V=14*4=56\ in^{3}$

3 0

3 years ago

3(-8m - 1) + 5 (m + 8)

Vlada [557]

Step-by-step explanation:

3(-8m-1) + 5(m+8) (remove the parentheses)

-24m - 3 + 5m + 40 (collect like terms and calculate)

-19m + 37

7 0

3 years ago

Write an exponential function for the chart below:

agasfer [191]

51 * 2^x

51 * 2^0 = 51 * 1 = 51

51 * 2^1 = 51 * 2 = 102

51 * 2^2 = 51 * 5 = 204

...

8 0

2 years ago