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
anzhelika [568]
3 years ago
13

Explain why the square root of 64 has a positive and negative value.​

Mathematics
1 answer:
weeeeeb [17]3 years ago
7 0

Since the square root of 64 is 8, 8 has an absolute value, so it can be opposites as it, eg. 8 = -8.

You might be interested in
Travis takes out a loan from his bank for $3,500. At the end of the year, Travis will need to pay the loan back to his bank alon
Reil [10]

Answer:

$3,787

Step-by-step explanation:

frist find the amount of intrest

3,500 X 0.082 X 1 = 287

next add the oragial amount to the amount of intrest

3,500 + 287 = 3,787

6 0
2 years ago
Please help I'm very confused and frustrated.
Ray Of Light [21]

Step-by-step explanation:

-36.8 + 9.2(2). [as the value of x is 2]

-36.8 + 18.4

= - 18.4 [as the number with the

Negative sign is greater]

7 0
2 years ago
Read 2 more answers
Adrian works in New York City and makes $40 per hour. She works in an office and must pay $20 a day for lunch. If she wants to m
andrew-mc [135]

Answer: She would have to work 7 hours to earn $260.

Step-by-step explanation: 40×7=280 280-20=260 Hope this helps.

6 0
2 years ago
2.5% of a population are infected with a certain disease. There is a test for the disease, however the test is not completely ac
Aleks04 [339]

Answer:

P(disease/positivetest) = 0.36116

Step-by-step explanation:

This is a conditional probability exercise.

Let's name the events :

I : ''A person is infected''

NI : ''A person is not infected''

PT : ''The test is positive''

NT : ''The test is negative''

The conditional probability equation is :

Given two events A and B :

P(A/B) = P(A ∩ B) / P(B)

P(B) >0

P(A/B) is the probability of the event A given that the event B happened

P(A ∩ B) is the probability of the event (A ∩ B)

(A ∩ B) is the event where A and B happened at the same time

In the exercise :

P(I)=0.025

P(NI)= 1-P(I)=1-0.025=0.975\\P(NI)=0.975

P(PT/I)=0.904\\P(PT/NI)=0.041

We are looking for P(I/PT) :

P(I/PT)=P(I∩ PT)/ P(PT)

P(PT/I)=0.904

P(PT/I)=P(PT∩ I)/P(I)

0.904=P(PT∩ I)/0.025

P(PT∩ I)=0.904 x 0.025

P(PT∩ I) = 0.0226

P(PT/NI)=0.041

P(PT/NI)=P(PT∩ NI)/P(NI)

0.041=P(PT∩ NI)/0.975

P(PT∩ NI) = 0.041 x 0.975

P(PT∩ NI) = 0.039975

P(PT) = P(PT∩ I)+P(PT∩ NI)

P(PT)= 0.0226 + 0.039975

P(PT) = 0.062575

P(I/PT) = P(PT∩I)/P(PT)

P(I/PT)=\frac{0.0226}{0.062575} \\P(I/PT)=0.36116

8 0
2 years ago
It's urgent please help
Alchen [17]

Answer:

14y=mxc I'm I right kwkbs

7 0
2 years ago
Other questions:
  • 6/16 equals 8 over what?
    10·2 answers
  • How does the graph of
    13·1 answer
  • How many solution does x^2=4x-5 have
    8·1 answer
  • Plzzzzz answer this question about density mass and volume!!!!!!!!!
    5·1 answer
  • What is the messer of x
    12·2 answers
  • I'll pick brainiest. Please help me!! Answer as best as you can. THANK YOU!!
    7·1 answer
  • What are the coordinates of A? b) What are the coordinates of B?​
    10·1 answer
  • What is the volume of the following rectangular prism?
    12·2 answers
  • During a sale, a store offered a 20% discount on a bed that originally sold for $430. After the sale, the discounted price of th
    13·1 answer
  • What is |5+3w|/-2 -1
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!