MATHEMATICS HIGH SCHOOL

The box plots below show the lifespan, in months, of laptop batteries manufactured by two companies:Based on the data, which company's batteries have the smallest median lifespan?

Company A
Company B
Company C
Company D

Answers

Answer 1
Answer: Company:     minimum    Q1        Median      Q3     maximum
A                      19           19.5        23            23.5       24
B                       21           22          24            25          26
C                       20           21          22            24          28
D                       19           20          22.5         23.5       27

The company that has the smallest median life span is Company C. Its battery only has a lifespan of 22 months.
Answer 2
Answer:

Company C is the correct answer!

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What is the derivative of: y=1/(x+1)+2?

Answers

That derivative is    - 1 / (x + 1)²
y=(1)/(x+1)+2=(x+1)^(-1)+2\n\ny'=\left[(x+1)^(-1)+2\right]'=-(x+1)^(-1-1)=-(x+1)^(-2)=-(1)/((x+1)^2)

Compute the sales tax on the following transactions. An article retails for $38.50. The city sales tax is 4%, and the federal excise tax is 7%. How much is the total tax? A. 1.54 B. 2.70
C. 4.24
D. 34.26

Answers

The answer is C) 4.24

4% + 7% = 11%

to get 11% of 38.50 you move the decimal two spaces to the left on the percent and multiply that number by the other number.

11% ---> .11

38.50 x .11= 4.24.

I hope this answer gave you a better understanding on how to work with percentages! :) Have a good day :)

A rectangle’s width is 2 meters shorter than its length, l. Its area is 168 square meters. Which equation can be used to find the length of the rectangle?l(l – 2) = 168
l(l + 2) = 168
2l 2 = 168
1/2l 2 = 168

Answers

Since area of a triangle is;
l*w=area
l(l-2)=168

Answer:

Step-by-step explanation:

the anwser is A or the first one trust

please answer please!!!! Will mark brainliest for complete answer. -the first photo is to calculate the area. Just question number 7 a and b i). And question number 8.

Answers

Triangle:
Area = 1/2*b*h
= (1/2)*3*4
= 3*2
= 6 m^2


7a.
1cm^3
Or, 1cm * 1cm * 1cm
Or, 10mm * 10 mm * 10 mm
Or, 1000 mm^3

7b.i)
10 cm^3
Or, 10cm * 1cm* 1cm
Or, 100mm * 10mm * 10mm
Or, 10000 mm^3

8.)
Volume = 50 cm^3
Base area= 5 cm^2
Now,
Volume = area * height
Or, 50 = 5 * height
Or, height = 50/5
Or, height = 10 cm

Plz mark this as the brainiest. :)

How do you calculate the circumference of a circle

Answers

2\pi r where 'r' is a radius
You need to use the following equation - 2(pi) r .    r = radius and so put the circle's radius in the equation and multiply! 

Which type of triangle contains its centroid?A. right
B. acute
C. obtuse
D. all of the above

Answers

The correct answer is , B ) acute

The answer is D all of the above

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