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3 years ago

11

Please help me with this

1 answer:

RoseWind [281]3 years ago

5 0

Answer:3/28

Step-by-step explanation:you just have to multiply the fractions

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Which relationship has a zero slope?

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A Horizontal line means you get a slope of zero

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3 years ago

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A basketball player made 44 out of 100 attempted free throws. What percent of free throws was made?

klemol [59]

Answer:

How much is 44 out of 100 written as a percentage? Convert fraction (ratio) 44 / 100 Answer: 44%

Step-by-step explanation:

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3 years ago

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At 9:00 on Saturday morning, two bicyclists heading in opposite directions pass each other on a bicycle path. The bicyclist head

7nadin3 [17]

Let x be the rate of the slower bicyclist and
x + 4 be the rate of the faster bicyclist

Since the bicyclists are headed towards opposite directions, the sum of the distances they covered traveling for one hour and 15 minutes should be equal to 40 km based on the given conditions above. This may be expressed as,

(x)(1.25) + (x + 4)(1.25) = 40

Calculating gives x = 14

Thus, the rate of the bicyclists are 14 km/h and 18 km/h.

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3 years ago

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Javier made a scatterplot to show the data he collected on the growth of a plant.

Leya [2.2K]

Answer:

The answer is C i.e y = 3.25 x + 4.60

Step-by-step explanation:

Given the graph in which the Javier made a scatter plot to show the data he collected on the growth of a plant.

Now, we have to choose the equation which best represents Javier's data.

The graph shown does not pass through origin therefore intercept can not be equal to 0. hence solution A discarded.

The graph of rest of three solutions attached and the points which shown in the graph match to the points on the graph of solution third as shown. Hence, The answer is C i.e y = 3.25 x + 4.60

4 0

3 years ago

"Large Sample Proportion Problem. Surveys were conducted in multiple countries and respondents were asked if they felt political

melomori [17]

Answer: 0.0158

Step-by-step explanation:

Given : The data for the United States is that out of 1,000 sampled, 470 indicated yes, they felt political news was reported fairly.

According to the given information we have,

Sample size : n= 1000

Sample proportion: $\hat{p}=\dfrac{470}{1000}=0.47$

The standard error for proportion is given by :-

$S.E.=\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$S.E.=\sqrt{\dfrac{0.47(1-0.47)}{1000}}$

$S.E.=\sqrt{0.0002491}$

$S.E.=0.0157829021412\approx0.0158$

[Rounded to the nearest four decimal places.]

Hence, the standard error for the confidence interval = 0.0158

6 0

3 years ago