1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Morgarella [4.7K]
3 years ago
11

At a concert, the number of security guards needed is based on the average density of people in an area of 25'x25' called a bloc

k. The concert space measures 350' by 200'. The number of security guards is based on the number of blocks necessary and each security guard can only be responsible for one block. 12,000 people are expected to attend the concert.
a) how many security guards will be needed?
b) how many people, rounded to the nearest 10, will be in each block?
Mathematics
1 answer:
ira [324]3 years ago
3 0

find total area  by multiplying  350' x 200' = 70,00 sq ft

area of one block, multiply 25' x 25' = 625 sq ft  = area for one Security guard

divide area for one security guard into total area of facility  70,000 / 625 =

112 security guards

find how many people for each block = 70,000 / 625 = 112 blocks

12,000 people divided by 112 blocks = 12,000 / 112 = 107.14 rounded to nearest 10 = 110 people per block

You might be interested in
At pizza hut, 9% of the pizzas made last night had extra cheese. if 27 pizzas has extra cheese, how many pizzas in all were made
True [87]
Answer: 300

You need to change 9% into a decimal so it would be 0.09

Then divide 27 ÷ 0.09 = 300

So 9% of 300 is 27
3 0
2 years ago
What is the solution set of (x - 2)(x - 3) = 2?
Deffense [45]

Answer:

X = 4, 1

Step-by-step explanation:

Multiplying out

X^2 - 2x - 3x +6 = 2

X^2 - 5x +4 = 0

Factoring:

X^2 - 4x - X +4

X(x-4) - 1(x-4)

(x-1)(x-4)=0

X= 1, 4

8 0
2 years ago
Estelle treated her sister to lunch while visiting her in Lowell. Their lunch cost $80, and the sales tax in Lowell is 15%. If E
yan [13]

Answer:

Estelle paid $104 in total.

Step-by-step explanation:

15% of $80.00 is 12. So add 12 two times to 80 because of 15% sales tax and 15% tip.

3 0
3 years ago
The city of Atlanta plans to hold a parade after the Atlanta Falcons win the Super Bowl. They intend to allow fans to watch from
erastovalidia [21]

Answer:

17600 people.

Step-by-step explanation:

Given that The parade route will be 1 mile long (5,280 feet are in a mile) and the sidewalks are 10 feet deep.

The area of the parade route will be

5280 × 10 = 52800 ft^2

If the average person takes up 3 square feet of space, then, divide the area by 3. That is,

52800 / 3 = 17600 people.

Therefore, the estimate for the number of people who can attend the parade will be 17600 people.

7 0
3 years ago
A bag of rice weighs 3.18 pounds . find it’s mass in kilograms
LekaFEV [45]

The mass in kilograms would be: 1.442424

7 0
2 years ago
Read 2 more answers
Other questions:
  • a recipe calls for 1 and 3/4 cups of flour. How many cups will you need if you are preparing 3 batches of the recipe?
    15·2 answers
  • Is the difference of two polynomials always a polynomial? Explain..
    12·1 answer
  • josh has now hiked a total of 17 km and is 2 km short of being 1/2 of the way done with his hike. write an equation to determine
    13·1 answer
  • An office spends 275.00 per month on office supplies.The manager wants the company to decrease office supply cost by 14%. How mu
    13·1 answer
  • SOMEONE PLEASE HELP!!!
    6·1 answer
  • if -2 is a root of the equation 3x2 +7x + p = 0, find the values of k for which the roots of the equation x2 + k(4x + k - 1) + p
    6·1 answer
  • The function h is defined by the following rule.<br> Find h(x) for each x-value in the table.
    6·1 answer
  • Will get brainliest<br>What is the value of x?​
    6·1 answer
  • Your grades on three exams are 80, 93, and 91. What grade do you need on the next exam to have an average of 88 on all four exam
    10·1 answer
  • When positive integer x is divided by positive integer y, the remainder is 9. If = 96.12, what is the value of y ? 96 75 48 25 1
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!