MATHEMATICS HIGH SCHOOL

If a certain medicine cures 90% of the people who take it, what is the probability that if 9 people take the medicine that 6 will be cured?A) 0.01
B) 0.02
C) 0.04
D) 0.33

Answers

Answer 1

Answer:

Answer:

that was wrong it was 0.04 so C

Step-by-step explanation:

Answer 2

Answer: The answer is 0.33

Took the test

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What is the simplified form of the quantity of x plus 6, all over 3 − the quantity of x plus 2, all over 3?

Answers

it is going to be an negative x

A population of insects increases at a rate of 1.5% per day. About how long will it take the population to double?2.5 days
5.0 days
46.6 days
66.7 days
An explanation would be great help.

Answers

The correct answer is:

46.6 days

Explanation:

The general form for exponential growth is

$A=p(1+r)^t$ , where A is the total amount, p is the initial amount, r is the percent of growth, and t is the amount of time (in this case, days).

We do not know the initial amount, the total amount, or the amount of time. We do know that r, the percent of growth, is 1.5%; 1.5% = 1.5/100 = 0.015:

$A=p(1+0.015)^t$

We also know we want the total amount, A, to be twice that of the initial amount, p:

$2p = p(1+0.015)^t\n2p=p(1.015)^t$

Divide both sides by p:

$(2p)/(p)=(p(1.015)^t)/(p)\n\n 2=1.015^t$

Using logarithms to solve this,

$\log_(1.015)(2)=t\n\n46.6=t$

Sorry, I tried to answer with a full explanation but the equation function on brainly.com stopped working. Now I can't delete my attempt at an answer with explanation. The correct answer is 46.6 days.

Organize the following polynomial expressions from least to greatest based on their degree:6x2
18x3 + 5ab - 6y
8a - 5
4x3y + 3x2 - xy - 4
III, I, IV, II

IV, II, I, III

III, I, II, IV

IV, I, II, III

Answers

The correct answer is
III, I, II, IV
8a - 5
6x2
18x3 + 5ab - 6y
4x3y + 3x2 - xy - 4

Answer:

The correct answer is C)

III, I, II, IV

8a - 5

6x2

18x3 + 5ab - 6y

4x3y + 3x2 - xy - 4

Step-by-step explanation:

Which of the following expressions represents "three times the difference between t and y"?y - 3t
3t-y
3(t-y)

Answers

The expression that represents "three times the difference between t and y" is $\bold{3(t - y)}$

What is expression?

"It is a mathematical statement which consists of numbers, variables and some mathematical operations."

For given question,

We need to write an expression for the statement "three times the difference between t and y"

The statement "the difference between t and y" in mathematical expression form would be t - y

Now, we write "three times the difference between t and y" in expression form as,

$3 * (t - y) \n= 3(t - y)$

Therefore, the expression that represents "three times the difference between t and y" is $\bold{3(t - y)}$

Learn more about expressions here:

brainly.com/question/24242989

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3 times the difference of t and y :
3(t - y)

Eremy constructed this solid by combining two rectangular prisms and a square pyramid.A rectangular prism with a length of 6 meters, width of 14 meters, and height of 2 meters. A rectangular prism with a length of 5 meters, width of 8 meters, and height of 3 meters. A square pyramid with a base of 6 meters by 6 meters and triangular sides with a height of 7 meters.

What is the surface area of this figure?

_____________ square meters
320
322
368
386

Answers

368 square meters is the answer

A shopkeeper marks his goods at 40% above cost (the price he pays for the goods) and then offers a 25% discount. If a jacket costs the shoe keeper $200, at what price is it sold