All categories

3 years ago

Somebody please help me

Mathematics

1 answer:

Mazyrski [523]3 years ago

8 0

Plan A: 30 + 0.01m
Plan B: 20 + 0.05m
in order for 2 plans cost the same, both need to be equal
so should be

20 + 0.05m = 30 + 0.01m

answer is D. last one
20 + 0.05m = 30 + 0.01m

You might be interested in

Please help!!! ASAP!

bulgar [2K]

Answer:

so what we have to do first is multiply 9*10

which is 90 now we divide by two to get 45

now we multiply 45 by 20 to get

900

Hope This Helps!!!

6 0

3 years ago

Kevin recently accepted a job at a Lucky Seven store 17 miles from his house. Use the

RideAnS [48]

Something is missing there is no given. But here are the given for this question:

Salary = $8.75 per hour

40 hour work week

52 work week per year

5 days of work per week

Gas mileage is 21 miles per gallon

Gas costs is 1.26 per gallon

Average speed is 45 miles per hour

Daily round trip to work and back home is 34 miles

a. Kevin’s annual salary is 8.75 per hour x 40 hour work week x 52 work week per year

= $18,200

b. Kevin will spend on fuel each week:

34 miles daily round trip x 5 day work week divided by 21 miles per gallon x 1.26 per gallon

= $10.20

c. Kevin will spend _ hours on commuting

= 34 miles is the daily round trip x 5 day work week divided by 45 miles average speed per hour

= 3.78 hours

Hope this helps!

7 0

3 years ago

Read 2 more answers

Can you pleaseee help meee

Mrac [35]

Yesssssssss, with what though

6 0

2 years ago

Totsakan spent $36.54 on envelopes. If they cost 4.06/box how many boxes did her buy?

Ivahew [28]

9 because you divide 36.54 by 4.06 i’m pretty sure

4 0

3 years ago

Read 2 more answers

A toy manufacturer wants to know how many new toys children buy each year. A sample of 1492 children was taken to study their pu

julia-pushkina [17]

By assuming the standard deviation of population 2.2 the confidence interval is 8.67 toys,8.94 toys.

Given sample size of 1492 children,99% confidence interval , sample mean of 8.8, population standard deviation=2.2.

This type of problems can be solved through z test and in z test we have to first find the z score and then p value from normal distribution table.

First we have to find the value of α which can be calculated as under:

α=(1-0.99)/2=0.005

p=1-0.005=0.995

corresponding z value will be 2.575 for p=0.995 .

Margin of error=z*x/d

where x is mean and d is standard deviation.

M=2.575*2.2/ $\sqrt{1492}$

=0.14

So the lower value will be x-M

=8.8-0.14

=8.66

=8.67 ( after rounding)

The upper value will be x+M

=8.8+0.14

=8.94

Hence the confidence interval will be 8.67 toys and 8.94 toys.

Learn more about z test at brainly.com/question/14453510

#SPJ4

8 0

2 years ago