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
IRISSAK [1]
2 years ago
15

g A shopping center includes a grocery store and a drug store. One%E2%80%8B afternoon, a total of 200 people visited the shoppin

g%E2%80%8B center, and 121 shopped at the grocery%E2%80%8B store, 91 shopped at the drug%E2%80%8B store, and 33 shopped at both businesses. %E2%80%8Ba) How many people shopped at the grocery store or the drug%E2%80%8B store? %E2%80%8Bb) How many people shopped at neither the grocery store nor the drug%E2%80%8B store?
Mathematics
1 answer:
QveST [7]2 years ago
8 0

Answer:

a) 179 people shopped at the grocery store or the drug store.

b) 21 people shopped at neither the grocery store nor the drug store

Step-by-step explanation:

I am going to treat these events as Venn sets.

I am going to say that:

Set A: Shopped at the grocery store

Set B: Shoped at the drug store.

121 shopped at the grocery store:

This means that A = 121

91 shopped at the drug store:

This means that B = 91

33 shopped at both businesses.

This means that A \cap B = 33

a) How many people shopped at the grocery store or the drug store?

This is

A \cup B = A + B - (A \cap B)

With the values given in the exercise.

A \cup B = A + B - (A \cap B) = 121 + 91 - 33 = 179

179 people shopped at the grocery store or the drug store.

b) How many people shopped at neither the grocery store nor the drug store?

179 of 200 shopped in at least one. So 200 - 179 = 21 shopped at neither.

21 people shopped at neither the grocery store nor the drug store

You might be interested in
50 points please help i need it so bad
ki77a [65]

Answer:

D

Step-by-step explanation:

Recall that for a function f such that f:X \to Y, where X is the Domain and Y is the Codomain, the function has a inverse, if and only if, \forall y \in Y exist an unique x\in X such that f(x)=y.

\therefore f^{-1}(y)=x \iff f(x)=y

Therefore, the inverse of f for f(x)=\dfrac{3-x}{7} is

f^{-1} =3-7x

==============================================

f(x)=\dfrac{3-x}{7} \implies y= \dfrac{3-x}{7} \implies x=\dfrac{3-y}{7}

x=\dfrac{3-y}{7} \implies 7x = 3-y  \implies 7x -3 = -y   \implies -7x +3 = y  \implies f(x)=3-7x

6 0
2 years ago
The equation for the line of best fit is y=2x+2.5. Soon, Edmond is going to a new fair. Use the equation for the line of best fi
andriy [413]

Answer:

x = 5

Step-by-step explanation:

The equation of a line is given by :

y=2x+2.5

Where

y is cost and x is number of tickets

Put y = $12.5 in the above equation

So,

12.5=2x+2.5

10 = 2x

x = 5

So, he can purchase 5 tickets.

4 0
2 years ago
The product of two whole numbers is 832 and their sum is 58. What are the two numbers?
Anika [276]
3 and 8

Mark me as brainiest
7 0
1 year ago
Read 2 more answers
Select the fraction that is equivalent to 2/3
WITCHER [35]

Answer:

srry i dont know maybe use a calculator and stay safe

Step-by-step explanation:

5 0
3 years ago
Name one of two types of pentahedrons
Diano4ka-milaya [45]
Square piramid ,triangle prism.

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the answer to 5v-4/10=4/5
    10·1 answer
  • Which is a specific immune response?
    8·1 answer
  • Fill in the blank. Given below, you can conclude that OD is congruent to _______.
    6·1 answer
  • HELP HELP ME PLSS!! Please I really need help....
    7·1 answer
  • 5th grade math. Correct answer will be marked brainliest.
    8·2 answers
  • Solve for x. PLEASE SHOW WORK AND HELP
    14·1 answer
  • Please someone help
    5·1 answer
  • WORTH 100 POINTS
    14·2 answers
  • A home’s value increases at an average rate of 5.5 % each year. The current value is $120,000. What function can be used to find
    13·1 answer
  • Evaluate b-(-1/8)+c where b=2 and c=-7/4
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!