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
Serjik [45]
3 years ago
14

Which of the following can be written as a rate?

Mathematics
1 answer:
Rina8888 [55]3 years ago
3 0

Answer:

D

Step-by-step explanation:

You might be interested in
Select the equivalent expression.<br> (6-4.8-7)-°<br> -2
dalvyx [7]
I think the answer is -7.8
4 0
3 years ago
Complete the table for the value of each digit in 123.
artcher [175]

Answer:

1,2,3,4,5,6,7,8,9,10

2,4,6,8,10,12,14,16,18,20

3,6,9,12,15,18,21,24,27,30

Step-by-step explanation:

6 0
3 years ago
In studies for a​ medication, 3 percent of patients gained weight as a side effect. Suppose 643 patients are randomly selected.
timofeeve [1]

Part a)

It was given that 3% of patients gained weight as a side effect.

This means

p = 0.03

q = 1 - 0.03 = 0.97

The mean is

\mu  = np

\mu = 643 \times 0.03 = 19.29

The standard deviation is

\sigma =  \sqrt{npq}

\sigma =  \sqrt{643 \times 0.03 \times 0.97}

\sigma =4.33

We want to find the probability that exactly 24 patients will gain weight as side effect.

P(X=24)

We apply the Continuity Correction Factor(CCF)

P(24-0.5<X<24+0.5)=P(23.5<X<24.5)

We convert to z-scores.

P(23.5 \: < \: X \: < \: 24.5) = P( \frac{23.5 - 19.29}{4.33} \: < \: z \: < \:  \frac{24.5 - 19.29}{4.33} ) \\  = P( 0.97\: < \: z \: < \:  1.20) \\  = 0.051

Part b) We want to find the probability that 24 or fewer patients will gain weight as a side effect.

P(X≤24)

We apply the continuity correction factor to get;

P(X<24+0.5)=P(X<24.5)

We convert to z-scores to get:

P(X \: < \: 24.5) = P(z \: < \:  \frac{24.5 - 19.29}{4.33} )  \\ =   P(z \: < \: 1.20)  \\  = 0.8849

Part c)

We want to find the probability that

11 or more patients will gain weight as a side effect.

P(X≥11)

Apply correction factor to get:

P(X>11-0.5)=P(X>10.5)

We convert to z-scores:

P(X \: > \: 10.5) = P(z \: > \:  \frac{10.5 - 19.29}{4.33} )  \\ = P(z \: > \:  - 2.03)

= 0.9788

Part d)

We want to find the probability that:

between 24 and 28, inclusive, will gain weight as a side effect.

P(24≤X≤28)=

P(23.5≤X≤28.5)

Convert to z-scores:

P(23.5  \:  <  \: X \:  <  \: 28.5) = P( \frac{23.5 - 19.29}{4.33}   \:  <  \: z \:  <  \:  \frac{28.5 - 19.29}{4.33} ) \\  = P( 0.97\:  <  \: z \:  <  \: 2.13) \\  = 0.1494

3 0
3 years ago
Bob and mark talk about their families. Bob says he has 3 kids, the product of their ages is 72. He gives another clue: the sum
taurus [48]
I can only give possible combinations of the ages. This is because only the product is given. Had the sum of all ages been given, possible combinations would boil down into 1 combination.

3 kids with a youngest. This means that the ages are not the same.
We do prime factorization to get the age combination.

72 ÷ 2 = 36
36 ÷ 2 = 18
18 ÷ 2 =   9
  9 ÷ 3 =   3
  3 ÷ 3 =   1

1 x 2 x 2 x 2 x 3 x 3 = 72

Possible combination with no repeating number.

1 x 8 x 9 = 72
2 x 4 x 9 = 72
4 x 6 x 3 = 72
1 x 6 x 12 = 72
4 0
3 years ago
Answer pls i need help
Hitman42 [59]

Answer:

75

Step-by-step explanation:

the angles are vertical (I think that's the right term) so they are the same

6 0
2 years ago
Other questions:
  • Michelle wants to determine the height of the flag pole outside of her school. She places a meter stick next to the flag pole an
    15·2 answers
  • The winner of the cross-country meet ran 6 miles in 2 hour. What is the average speed per minute?
    9·2 answers
  • The dining room table in Logan’s dollhouse is a replica of the dining room table in the actual house . The replica is 4 7/8 in.
    12·1 answer
  • Which Transformation is a isometry?
    8·2 answers
  • Compound interest is given by the formula A = P ( 1 + r ) t . Where A is the balance of the account after t years, and P is the
    10·1 answer
  • I want to know the answer and how to solve it in the calculator
    13·1 answer
  • How do you find the limit of (2+x)^3 -8/x as the limit approaches 0? Please explain how you did it.​
    13·1 answer
  • What would x be in the image above?
    5·1 answer
  • the width of a rectangle is 2 m less than the length. if the area of the rectangle is 48sq meters. what is the length and width
    5·1 answer
  • A. Write the ratio and express in simplest or lowest terms.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!