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Travka [436]
3 years ago
8

Which fractions are equivalent to 1 2 ? Select all that apply. A. 2 4 B. 3 6 C. 3 4 D. 4 8

Mathematics
2 answers:
Serggg [28]3 years ago
8 0
Answer:
A
B
D
Step-by-step explanation:

12+12=24
12+12+12=36
12+12+12+12=48
vova2212 [387]3 years ago
3 0

Answer:

A , B And D


2/4 divide both numbers by to and you get 1/2


3/6 divide both numbers by 3 and you get 1/2


4/8 divide both numbers by 4 and you get 1/2

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For the​ following, indicate whether a confidence interval for a proportion or mean should be constructed to estimate the variab
Mrrafil [7]

Answer:

Step-by-step explanation:

The research question is given as "Does chewing your food for a longer period of time reduce​ one's caloric intake of food at​dinner?"

Here interest of study variable is "reduction of caloric intake of food at dinner".

For construction of confidence interval, the researcher records the calorie consumption at dinner.

Since calorie consumption is a variable, we need to construct confidence interval for mean.

So correct choice of sentences as "The confidence interval for a mean should be constructed because the variable of interest is an individual's reduction in caloric intake, which is a quantitative variable."

3 0
3 years ago
What is a simplified expression for (x – y) – (x – y)?
sleet_krkn [62]

Answer:

0

Step-by-step explanation:

(x – y) – (x – y)

Distribute the minus sing

x-y-x+y

Combine like terms

x-x-y+y

0

6 0
4 years ago
A cone and a cylinder have the same base and height, as shown below. A cone is inside of a cylinder with same base and height. T
lord [1]

Answer:

The volume of the cone = 28 inch³

Step-by-step explanation:

First let's consider the formula for the volume of the shapes

For cylinder

Volume= πr²h

For cone

Volume= 1/3 πr²h

So we'd notice that no much difference except that the volume if a cylinder is divided by two to get that off a cone.

So if the volume of the cylinder is

84π inch

The volume of the cone is 84/3 = 28

The volume of the cone = 28 inch³

3 0
3 years ago
Christian opened a savings account with $3250. His account will earn 5.2% simple interest.
harina [27]

Answer:

$4,264.00

Step-by-step explanation:

6 0
3 years ago
A rancher’s herd of 250 sheep grazes over a 40-acre pasture. He would like to find out how many sheep are grazing on each acre o
DerKrebs [107]
Given:250 sheep in a 40-acre pasture.Number of sheep grazing in each acre.
250/40 = 6.25 or 6 sheep per acre
n = 6sample proportion: signified by ρSample 1: 4 → 4/6 = 0.67Sample 2: 1 → 1/6 = 0.17Sample 3: 9 → 9/6 = 1.50
multiply the sample proportion by 1-ρSample 1: 0.67(1-0.67) = 0.67(0.33) = 0.2211Sample 2: 0.17(1-0.17) = 0.17(0.83) = 0.1411Sample 3: 1.50(1-1.5) = 1.5(-0.5) = -0.75
divide the result by n. n = 6Sample 1: 0.2211/6 = 0.03685Sample 2: 0.1411/6 = 0.02352Sample 3: -0.75/6 = -0.125
square root of the quotient to get the standard error.Sample 1: √0.03685 = 0.1919Sample 2: √0.02352 = 0.1534Sample 3: √-0.125 = invalid
z value 95% confidence 1.96.
Sample 1: 1.96 * 0.1919 = 0.3761 or 37.61% margin of errorSample 2: 1.96 * 0.1534 = 0.3007 or 30.07% margin of error
3 0
3 years ago
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