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Mazyrski [523]
3 years ago
11

Evaluate the expression when m = 6 and n= 50.n-4m​

Mathematics
2 answers:
jolli1 [7]3 years ago
6 0

Answer:

26

Step-by-step explanation:

sattari [20]3 years ago
3 0
If n=50, and 4m = 24 (because 4 times 6 equals 24); then 50 minus 24 equals 26.
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We looking for distance
drek231 [11]

Answer:

240 m

Step-by-step explanation:

Figure is attached.

The distance the particle travels is the area under the v-t graph over the time interval from 0 min to 4 min.  The reason you can't just multiply velocity by time is that the velocity is changing at a constant rate over the given time interval (the line is going upward--the particls is speeding up).

What's the area under the graph?

The red outline forms a trapezoid.  The area of a trapezoid is  A=\frac{1}{2}h(b_1+b_2)  where the <em>b</em>'s are the lengths of the two parallel base and  <em>h</em>  is the height (the distance between the bases).

Reading the graph carefully (notice the scales!)...

A=\frac{1}{2}(4)(30+90)=(2)(120)=240 \text{m}

8 0
2 years ago
Name three angles that sum to 180 degrees
aliya0001 [1]

Answer:

Three 60 degree angles would equal 180 degrees

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP I AM ABOUT TO FAILL
Mademuasel [1]

Answer:

Step-by-step explanation:

90

8 0
2 years ago
Read 2 more answers
Solve it. also show you got the the answer. thank you.​
dangina [55]

Answer:

a) 42\leq 5t

b) 8

Step-by-step explanation:

a) The MAX is 42 basketballs, so it has to be either less than or equal to 42. each team wants 5 so you would multiply 5 basketballs per team (which is variable t)

b) Once you plug in 10 in replacement of 5 you get the inequality: 42\leq 5 * 10

once you figure it out you get 42 \leq 50. 50-42 = 8. Gopal should purchase at least 8 basketballs.

4 0
3 years ago
What is your favorite color? A large survey of countries, including the United States, China, Russia, France, Turkey, Kenya, and
eduard

Answer:

the questionnaire is incomplete, however the questions with the answers are left below and the used graph is attached

Step-by-step explanation:

a) What is the level of significance?

H0= P=0.240

Ha=p different 0.240

for 0.05 level z is 1.96

reject the null hypothesis if the absolute value of the statistical test results |z|>1.96

X=8.

n=59

Stderror=Se= √(p*(1-p)/n)=0.0556

P’= x/n= 8/59=0.136

Test stat z= ( p’-p)/Se= -1.87

P value = 0.0307

a) What is the level of significance?

significance level = 0.05

H0: p = 0.24; H1: \ neq 0.24

B. What sampling distribution will you use?

The normal standard, in this way we know that np> 5 and nq> 5.

sample test statistic value = -1.87 (try -1.88 if this goes wrong)

c) Find the P-value of the test statistic. (Round your answer to four decimal places.)

P value of test statistic = 0.0307 (try 0.0301 if this goes wrong)

Regarding the distribution of the sampling, we analyze that the upper left curve is the right

D. Based on your answers in parts (a) to (c), will you reject or fail to reject the null hypothesis? Are the data statistically significant at level ??

At ? = 0.05 level, given this result it can be concluded that the data are not statistically significant and that the null hypothesis cannot be rejected

E. Interpret your conclusion in the context of the application

thus, we conclude that at a level of o.05 there is insufficient evidence to report the proportion of university students who prefer the color blue when found at 0.24

4 0
3 years ago
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