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
slava [35]
3 years ago
11

A number is chosen at random from the first 100 positive integers. Find the probability that the number is either even or a perf

ect square.
3/5

11/20

1/20
Mathematics
2 answers:
Nostrana [21]3 years ago
4 0

Answer:

Option A is correct.

Step-by-step explanation:

Total Number of Outcome = 100

Number of even numbers = 50

Number of perfect square = 10

Probability=\frac{Number\:of\:favorable\:outcome}{Number\:of\:total\:outcome}

Probability=\frac{50}{100}+\frac{10}{100}=\frac{60}{100}=\frac{3}{5}

Therefore, Option A is correct.

Ber [7]3 years ago
3 0
The answer is B. 11/20
You might be interested in
The area of four walls of a rectangular room is 96m2 and its height is 4m.
Delicious77 [7]

Answer:

<h2>The answer is 56 m</h2>

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

where

l is the length

w is the width

To find the area we must first find the length of the rectangle using it's area.

That's

Area = length × height

From the question

Area = 96 m²

height = 4 m

So we have

96 = 4l

Divide both sides by 4

length = 24 m

Now we have

Perimeter = 2(24) + 2(4)

= 48 + 8

We have the final answer as

<h3>56m</h3>

Hope this helps you

7 0
4 years ago
The half life of radium is 1690 years. if 80 grams are present now, how much will be present in 830 years
Pachacha [2.7K]

Answer:

A(t) = amount remaining in t years

      = A0ekt, where A0 is the initial amount and k is a constant to                     be determined.  

Since A(1690) = (1/2)A0 and A0 = 80,

                we have 40 = 80e1690k

                1/2 = e1690k

                ln(1/2) = 1690k

                k = -0.0004

So, A(t) = 80e-0.0004t

Therefore, A(430) = 80e-0.0004(430)

                           = 80e-0.172

                           ≈ 67.4 g

Step-by-step explanation:

5 0
2 years ago
Answer A and B
ArbitrLikvidat [17]

Answer:

A: 630 was the highest

B: camped at 380

7 0
2 years ago
Read 2 more answers
The sum of a positive number and 22 is 455 times the reciprocal of the number find the number
dalvyx [7]

Answer:

13

Step-by-step explanation:

Let the number be x.

ATQ x+22=455/x. x^2+22x=455. x=-35 or 13. Since x is positive, x=13

3 0
3 years ago
What is the symbol for a segment bisector
lutik1710 [3]
This is the symbol for a segment bisector in geometry

Hope this helps!! :)

4 0
4 years ago
Other questions:
  • How do you solve these?
    7·1 answer
  • The table displays the volume of a triangular prism and triangular pyramid with the same base area and height. Use the drop-down
    15·1 answer
  • How many ways can 12 swimmers finish in first, second, and third place
    13·1 answer
  • How do you do radical 128 with an index of negative 3
    13·1 answer
  • You will need 10 CAT6 cables for wiring computers in a new office. A local computer store sells them for $4.00 each plus 6% sale
    13·1 answer
  • Enter the slope-intercept equation of the line shown below.
    13·1 answer
  • Could someone answer this and explain an easier way to do this?
    15·1 answer
  • then we can walk 1/3 miles in 5 minutes if Tammy walks a constant Pace how far does he walk in 1 minute ​
    11·1 answer
  • Determine if the relation is a function.
    9·1 answer
  • Need Help with this..
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!