A 9-kg of mangoes for 12$_____per kg

Answers

Answer 1

Answer: If 9kg costs 12$, then a single kg costs around 1.3$

This is done with a simple proportion

9 : 12 = 1 : X
x = 12/9
x = 1.33

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Two beach rental companies compared their sales from last weekend. Both companies rent out jet skis and kayaks, and they charge the same prices. Will's Watersports made a total of $780 from renting 12 jet skis and 9 kayaks. Family Fun Rentals made a total of $570 from renting 7 jet skis and 11 kayaks. What is the cost of each type of rental?

An infinite geometric series has 1 and 1/5 as its frist two terms:1, 1/5' 1/25' 1/125' what is the sum,s,of the infinite series?A 1/4
B1/25
c 5/4
d 1

Answers

you have a geometric series

since you are summing the powers of 1/5, this converges
(1/5 < 1)

it's equal to 1/(1-1/5)
=1/(4/5) = 5/4

for geometric series, the sum is always
x = 1/(1-r)
where r is the ratio of successive terms.

if you set the sum equal to x:
x = 1+r+r^2+r^3...
and multiply each term by r
rx= r+r^2+r^3+....
then subtract

x-rx = 1+r-r+r^2-r^2+r^3-r^3+....

x-rx = 1
x(1-r)=1
x=1/(1-r)

The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds. From the data, we can conclude that the number of men weighing more than 165 pounds is... and the number of men weighing less than 135 pounds is....

Answers

The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15 pounds. From the data, we can conclude that the number of men weighing more than 165 pounds is beyond the mean weight of 1000 men and the number of men weighing less than 135 pounds is less than the mean weight of 1000 men.

What is the reciprocal of 2/9

Answers

The reciprocal of any number is the other number you must multiply it by to equal one. In this case it's 9/2

Answer:

9/2

Step-by-step explanation:

Given the function f(x) = 5x, Section A is from x = 0 to x = 1 and Section B is from x = 2 to x = 3.Part A: Find the average rate of change of each section. (4 points)
Part B: How many times greater is the average rate of change of Section B than Section A? Explain why one rate of change is greater than the other

Answers

Average rate of change of section A = (f(1) - f(0))/ (1 - 0) = (5(1) - 5(0))/(1 - 0) = (5 - 0)/1 = 5
Average rate of change of section B = (f(3) - f(2))/(3 - 2) = (5(3) - 5(2))/(3 - 2) = (15 - 10)/1 = 5

Average rate of change of section B is equal to that of section A.

This figure is a regular 12 sided polygon. find measure of angle 3

Answers

the measure of angle 3 is 75

Given the following information, choose the brand that is the better buy. Brand A: $1.25 for 10 ounces Brand B: $1.47 for 12 ounces Brand C: $1.68 for 14 ounces Brand D: $1.84 for 16 ounces

Answers

brand D is correct bc it makes more since

The brand that is better to buy is Brand A

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