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kirill115 [55]
2 years ago
15

Can someone PLEASE help me solve these last 2 problems so I can be done with this math class....really stumped on these 2....

Mathematics
1 answer:
dexar [7]2 years ago
3 0
Both distances 3966 and 4746 were done in 6 hours, so the speeds are:
speed against wind = 3966/6=661 km/h (difference of airplane and wind)
speed with wind = 4746/6=791 km/h (sum of airplane and wind)

The speed of airplane is greater than that of the wind, so this is a sum and difference problem.

Greater speed (plane) = (sum+difference)/2=(791+661)/2=726 km/h
Lesser speed (wind) = (sum-difference)/2 = (791-661)/2 = 65 km/h

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Please show the workings ​
defon
Use ur calculator
Find the answer then round it to (3 sf)
At first the answer will be 35.69050361
Then round to 36.0
Hope this help <3
Help me and mark my answer as brainliest plz
6 0
2 years ago
E probability of observing the experiment result, a sample mean, for example, or something more unusual just by chance if the nu
pentagon [3]

The probability of observing the experiment result, a sample mean, for example, or something more unusual just by chance if the null hypothesis is true is the definition of "P-Value."

<h3>What is null hypothesis?</h3>

A null hypothesis is a sort of statistical hypothesis which asserts that there is no statistical significance in a particular set of observations.

Using sample data, hypothesis testing is performed to determine the believability of a theory. It really is expressed as H0 and is also known to simply as "null."

Some key features regarding null hypothesis are-

  • A null hypothesis is a statistical conjecture that claims there is no variation between particular qualities of a population and data-generating process.
  • The alternate hypothesis asserts the existence of a distinction.
  • Hypothesis testing allows you to reject the null hypothesis with a particular level of confidence.
  • If the null hypothesis can be rejected, it lends support to the alternative hypothesis.
  • The notion of falsity in science is founded on null hypothesis testing.

To know more about null hypothesis, here

brainly.com/question/14016208

#SPJ4

8 0
1 year ago
In janie's class 7 out of 25 students have blue eyes.what percent of the class has blue eyes?
azamat
We will find out 7% of 25.
7/100*25
=1.75 %

Therefore, 1.75% of Janie's class has blue eyes.

HARRY POTTER FOREVER! : P
3 0
3 years ago
Read 2 more answers
Help pls and thank:)
I am Lyosha [343]

Answer:

y=-3x+2

Step-by-step explanation:

Slope-intercept form is given by the equation y=mx+b, where m is defined as the slope and b is defined as the y-intercept (the value on the y-axis that the line crosses). First we can determine the slope by using the slope formula.

m=(y2-y1)/(x2-x1), given two points (x1, y1) and (x2, y2). Keep in mind you can choose which point is (x1,y1) and which is (x2,y2) as long as you are consistent.

Plugging in for (-1,5) and (1,-1), you will get:

m=(-1-5)/(1-(-1))=-6/2=-3

Next, we need to find the y-intercept. For this problem, you can determine it is 2 by looking at the graph of the line. We now have both components to create the slope-intercept form.

m=-3, b=2

y=-3x+2

3 0
2 years ago
Brook states that the distance on the line is 4 units. Caleb states that the whole line does not have a distance because it cont
Reika [66]
The answer would be that Brook measured the distance between L and M
6 0
3 years ago
Read 2 more answers
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