Mathematics :asked onlorie76
17.05.2023the following question
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Step-by-step answer
17.05.2023, solved by verified expert
270 words in 3 minutes
Step-by-step explanation:
Emilio:
Mai:
Emilo + Mai:
=
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Mathematics
Emilio can type 60 words in one minute. mai can type half as many.together how many words can they type in 3 minutes ?
Step-by-step answer
P Answered by PhD 
3
270 words in 3 minutes
Step-by-step explanation:
Emilio: 
Mai: 
Emilo + Mai: 
= 
Mathematics
Dennis can unload a work van in 15 minutes. Leticia can unload the same work van in 10 minutes. How many minutes would it take Dennis and Leticia to unload the work van together?
Step-by-step answer
P Answered by PhD 1
Answer: D. 12.5.
Explanation:
Since in the task condition we are given the working time of each and are asked to find out their working time together. If they unload the car together, then everyone will spend half of their time. Hence:
15/2+10/2;
7.5+5;
=12.5 minutes.
Thus, if Dennis and Letizia unload the car together, they will need 12.5 minutes.
Mathematics
A shoe store employee needs to decide how many shoes to put on display. The store manager wants the number of sneakers on display to be at least two more than the number of soccer cleats on display. The store employee represents this restriction as y≥2+x , where x is the number of soccer cleats, and y is the number of sneakers on display.
Step-by-step answer
P Answered by PhD
Answer: B. (10, 12).
Explanation:
Given that a shoe store employee needs to decide how many shoes to put on display. The store manager wants the number of sneakers on display to be at least two more than the number of soccer cleats on display. The store employee represents this restriction as
y≥2+x, where x is the number of soccer cleats, and y is the number of sneakers on display.
Hence, we have to find viable moments from the following:
A. (-1, 3): not viable, since no shoes can be negative;
B. (10, 12): viable with 12≥ 2+10, meets the condition;
C. (14, 12): not viable, since 12<2+14, does not meet the condition;
D. (15, 18,5): not viable, since 18,5≥2+15, none of them can be decimal.
Mathematics
solange has a nut that is 5/8 inches wide she buys a nut that is 1/4 inch wider and a nut that is 1/4 narrower than the 5/8 inch nut what are the widths of the two nuts she buys
Step-by-step answer
P Answered by PhD
Width of the nut that is 1/4 inch wider than the 5/8 inch nut = 5/8 + 1/4
= (5 + 2)/8
= 7/8 inch inch
Width of the nut that is 1/4 inch narrower than the 5/8 inch nut = 5/8 - 1/4
= ( 5 - 2 )/8
= 3/8 inch
Mathematics
The Chin family is having new carpet installed in the dining room. The carpet costs $249 for installation and $9 for each square yard. If the Chin family has $500 to spend, can they afford to have 30 square yards of carpet installed? Explain your answer.
Step-by-step answer
P Answered by PhD
Fixed cost of installation = $249
Rate of carpet per square yard = $9
Area within the family want to install the carpet = 30 square yard
Total amount family can spend on the carpet = $500
Total cost of carpet installation = fixed cost + rate of carpet per square yard × area within carpet installed
= 249 + 9×30
= 249 + 270
= $519 > $500
So the total cost of carpet installation in 30 square yard is greater than the money family have. So they can't install carpet in 30 square yard
Mathematics
It takes 1½ cups of sugar to make 3 dozen chocolate chip cookies. How many cups of sugar will be needed to make 60 cookies?
Step-by-step answer
P Answered by PhD
Quantity of sugar used to make 3 dozen cookies = 1 1/2 cup = 1 + 1/2 = 3/2 cup
Quantity of sugar used to make 1 dozen cookies = ( 3/2 ) ÷3
= 1/2 cup
Number of cookies to be made = 60
12 cookies = 1 dozen of cookies
60 cookies = 60/12
= 5 dozen of cookies
Quantity of sugar needed to make 5 dozen cookies = 5 × Quantity of sugar used to make 1 dozen cookies
= 5 × 1/2
= 5/2 cup
Mathematics
what is the change in stephanie s height from ages 9 to 12?
Step-by-step answer
P Answered by PhD 1
Answer : the change in stephanie's height from ages 9 to 12 = 6 inches
Height of 9 years old Stephanie = 53 inches
Height of 12 years old Stephanie = 59 inches
the change in stephanie's height from ages 9 to 12 = Height of 12 years old Stephanie -Height of 9 years old Stephanie
= 59 - 53
= 6 inches
Mathematics
What is 16% in simplest fraction
Step-by-step answer
P Answered by PhD 1
Simple fraction of 16% = 16/100
= 4/25
Mathematics
The European Working Time Directive (EWTD) directs that staff should work no more than an average of 48 hours a week, over a 13-week period. You work from 9:00 - 18:45 with a 30 minutes lunch break for three days a week and from 10:30 - 21:00 two days a week with a 45 minutes break. You also work from 10:00 – 14:00 every second Sunday. Are your hours EWTD compliant?
Step-by-step answer
P Answered by PhD
Answer: it is not EWTD compliant.
Explanation:
Given that:
Directive = maximum average working hours per week = 48 hours.
Work:
9:00 - 18:45 = (9 45 minutes) - 30 minutes = 9 hours 15 minutes;
9 hours 15 minutes for 3 days = 27 hours 45 minutes;
10:30 - 21:00 = (10 30 minutes) - 45 minutes = 9 hours 45 minutes.
Sundays (10:00 - 14:00) = 4 hours.
Total work hours per week:
2(9hrs 15 mins) + 3(9hrs 45 mins) + 4 hours;
=18 hrs 30 mins + 29 hrs 15 minutes + 4 hours;
=(18 + 29 + 4) + 45 minutes;
=51 hours 45 minutes.
51 hours 45 minutes > 48 hours ; a Hence, it is not EWTD compliant
Mathematics
Alejandro by his lunch for him and his friends for $20.50 he’s a 15% tip how much is the total cost of the lunch with the tip included
Step-by-step answer
P Answered by PhD
Cost of lunch = $20.50
Tip = 15% of lunch cost
= (15/100) × 20.50
= $3.075
Total cost of lunch included tip = $20.50 + $3.075
= $23.575
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