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Dmitry [639]
3 years ago
14

HELP PLEASE!!!!! Bryan took a total of 24 quizzes over the course of 4 weeks. After attending 5 weeks of school this quarter how

many quizzes will Bryan have taken in total?
Mathematics
2 answers:
Rus_ich [418]3 years ago
6 0

Answer:

30

Step-by-step explanation:

24/4=6 per week

6*5=30 quizzes

PLS GIVE BRAINLIEST

likoan [24]3 years ago
4 0

Answer:

30

Step-by-step explanation:

24/4 = 6

5 x 6 =30

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You plan to set up an endowment at your alma mater that will fund $209,000 of scholarships each year indefinitely. If the princi
Leto [7]

Answer:

$199,047.62

Step-by-step explanation:

PV = X(1+i)^nm

X=$209000

i=5% = 0.05

n=1

m=1

Pv=$209000(1+0.05)^-1x1

Pv=$209000(1.05)^-1

Pv=$209000(1/1.05)

Pv=$209000/1.05

Pv=$199,047.62

$199,047.62 is needed to be donated for investment at 5.0% compounded annually rate for a year so as to get $209,000 at end of the year for the purpose of funding the scholarship.

6 0
3 years ago
The manager of a fleet of automobiles is testing two brands of radial tires and assigns one tire of each brand at random to the
Darya [45]

Answer:

Brand 1    Brand 2    Difference

37734       35202        2532

45299      41635         3664

36240      35500        740

32100      31950         150

37210       38015       −805

48360     47800        560

38200    37810          390

33500    33215        285

Sum of difference = 2532+ 3664+740+150 −805+  560 +390 +285 = 7516

Mean = d=\frac{7516}{8}

Mean = d=939.5

a) d= 939.5

\text{Sample Standard deviation, s} = \sqrt{\dfrac{(x-\bar{x})^2}{n-1}}

=\sqrt{\dfrac{(2532-939.5)^2+(3664-939.5)^2+(740-939.5)^2 ...+(285-939.5)^2}{8-1}}

=1441.21

b)SD= 1441.21

c)Calculate a 99% two-sided confidence interval on the difference in mean life.

confidence level =99%

significance level =α= 0.01

Degree of freedom = n-1 = 8-1 =7

So, t_{\frac{\alpha}{2}}=3.499

Formula for confidence interval = \left( \bar{X} \pm t_{\frac{\alpha}{2}} \times \frac{s}{\sqrt{n}} \right)

Substitute the values

confidence interval = 939.5 \pm 3.499 \times \frac{1441.21}{\sqrt{8}} \right)

confidence interval = 939.5 - 3.499 \times \frac{1441.21}{\sqrt{8}} \right) to  = 939.5 + 3.499 \times \frac{1441.21}{\sqrt{8}} \right)

Confidence interval −843.396\ to  2722.396

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3 years ago
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A polynomial that can be factored is called
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<span>reducible.

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ron drew a quadrilateral with 4 right angles and 4 sides with the same length what figure díd he drew
vladimir1956 [14]
Ron drew a parallelogram.
6 0
3 years ago
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