MATHEMATICS HIGH SCHOOL

If a hospital patient is given 50 milligrams of medicine which leaves the bloodstream at 10% per hour, how many milligrams of medicine will remain in the system after 6 hours? Use the function A(t) = Iert. A) 12.39 mg
B) 27.44 mg
C) 45.24 mg
D) 91.11 mg

Answers

Answer 1
Answer: A(t) = 50 e^-(0.1 x 6) = 50 e^-0.6 = 50 x 0.5488 = 27.44 mg
Answer 2
Answer: I think the answer is B.

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Alison wants to find out how much time people spend reading books. She is going to use a questionnaire.Design a suitable question for Alison to use in her questionnaire.

Answers

Well, for her questionnaire she could use and create questions or queries that are obviously related to her hypothesis or study. These could be done in a likert type of scale.
1.       I read most often.
a.       Strongly Agree b.      Agree c.       Disagree d.      Strongly Disagree

2.       When I read my books its takes me 24 hours a day
a.       Strongly Agree b.      Agree c.       Disagree d.      Strongly Disagree

3.       When I start reading I can’t stop
a.       Strongly Agree b.      Agree c.       Disagree d.      Strongly Disagree



Will mark brainliest!! solve & simplify the following equation: 2x²-7x=4​

Answers

Answer:

x=  −1/2   or x=4

Step-by-step explanation:

This is ALGEBRA, equations, factoring and zero property. ok.. let's solve this step-by-step

2x^2−7x=4

Step 1: Subtract 4 from both sides.

2x^2−7x−4 =4 −4

2x^2−7x−4=0

Step 2: Factor left side of equation.

(2x+1)(x−4)=0

Step 3: Set factors equal to 0.

2x+1=0 or x−4=0

x=  −1/2   or x=4

(BTW, there are supposed to be two answers, it's factoring)

Sorry if the format is not clear, but I hope this helped (really feel you, algebra can be brain-striking)!! Please leave a comment, rating and/or mark as the brainliest-whichever you think I deserve! Thank You :)

Divide. (-5w + 10w^8 + 5w^6) / (5w^5)A.
-w^5+5w^3+w

B.
-5w^5 +10w^8+w

C.
-w^5+10w^8+5w^6

D.
-w^5+2w^3+w

Answers

If you would like to solve (-5w + 10w^8 + 5w^6) / (5w^5), you can do this using the following steps:

(-5w + 10w^8 + 5w^6) / (5w^5) = (-w + 2w^8 + w^6) / (w^5) = (2w^8 + w^6 - w) / (w^5) = 2w^3 + w - 1/(w^4)

None of the above results is correct. The correct result would be 2w^3 + w - 1/(w^4).

Answer:

24 on ed

Step-by-step explanation:

the fee for the parking garage at the airport is $16 for the first day plus $4.50 for each additional day. which equation represents the fee, f, for leaving your car at the airport for d days, where d is the number of days beyond the first day? a. f = 4.5d 16 b. d = 16f 4.5 c. f = 16d 4.5 d. d = 4.5d 16

Answers

It will be a. f=4.5d+16. Unlike the other equations. F represents the fee for the parking garage, and d represents the number of days. 

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3
f(x) = (x + 3)2 − 6
f(x) = (x + 6)2 + 3
f(x) = (x + 6)2 − 6

Answers

complete the square
move the 3 aside and work in parenthasees
f(x)=(x^2+6x)+3
take 1/2 of 6 and square it (6/2=3, 3^2=9)
add 9 and -9 inside
f(x)=(x^2+6x+9-9)+3
factor perfect square
f(x)=((x+3)^2-9)+3
get rid of parenthases
f(x)=(x+3)^2-9+3
f(x)=(x+3)^2-6

2nd choice

Answer:

f(x) = (x+3)2+3

Step-by-step explanation:

Peyton has a goal to walk 10,000 steps each day. On Tuesday afternoon,Peyton walked 7,338 steps. She averages 2.5 feet per step

Answers

Please consider the complete question.

Peyton has a goal to walk 10,000 steps each day. On Tuesday afternoon, Peyton walked  7,338 steps. She averages 2.5 feet per step.

How many more feet does Peyton need to walk to reach her goal of 10,000 steps?

First of all we will find the steps Peyton needs to walk to reach her goal.

\text{Steps Peyton needs to walk}=10000-7338

\text{Steps Peyton needs to walk}=2662

Since Peyton averages 2.5 feet per step, so to find number of feet in 2662 steps, we will multiply 2662 by 2.5 as:

\text{Distance that Peyton needs to walk to reach her goal}=2662* 2.5\text{ ft}

\text{Distance that Peyton needs to walk to reach her goal}=6655\text{ ft}

Therefore, Peyton needs to walk 6655 feet to reach her goal.
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