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
Gnesinka [82]
2 years ago
9

A premedical student at a university was complaining that she had just paid $158. 60 for her human anatomy book, including tax.

Find the price of the book before taxes if the university tax rate is 9%
Mathematics
1 answer:
Artist 52 [7]2 years ago
3 0

Answer:

145.50

Step-by-step explanation:

158.60 / (1+.09)

158.60 / 1.09 = 145.50458 (<em>Approximately, I assume you have to round. I included extra digits incase they want more.</em>)

You might be interested in
Which of the following are solutions to the equation below?
DENIUS [597]
A and C could be the answer
8 0
2 years ago
PLEASE HELP!! i'm writing a test and i have no idea how to do this. (I'm giving 30 points)
Vesna [10]

Answer:

12/y

Step-by-step explanation:

if you see in the picture the first three numbers 3,6 and 9 you add 3 in each number like 3+3=6 then 6=3 = 9 and 9 + 3 = 12 and so on. ( 45 also comes in this pattern )

have a wonderful day

8 0
2 years ago
From 175 yards away, a marksman hit 14/50 of the targets last year.
Maurinko [17]
BOOOOGAAAAAAAAAAAAAAAAAAAAA
8 0
2 years ago
(a) The function k is defined by k(x)=f(x)g(x). Find k′(0).
Brut [27]

Answer:

(a) k'(0) = f'(0)g(0) + f(0)g'(0)

(b) m'(5) = \frac{f'(5)g(5) - f(5)g'(5)}{2g^{2}(5) }

Step-by-step explanation:

(a) Since k(x) is a function of two functions f(x) and g(x) [ k(x)=f(x)g(x) ], so for differentiating k(x) we need to use <u>product rule</u>,i.e., \frac{\mathrm{d} [f(x)\times g(x)]}{\mathrm{d} x}=\frac{\mathrm{d} f(x)}{\mathrm{d} x}\times g(x) + f(x)\times\frac{\mathrm{d} g(x)}{\mathrm{d} x}

this will give <em>k'(x)=f'(x)g(x) + f(x)g'(x)</em>

on substituting the value x=0, we will get the value of k'(0)

{for expressing the value in terms of numbers first we need to know the value of f(0), g(0), f'(0) and g'(0) in terms of numbers}{If f(0)=0 and g(0)=0, and f'(0) and g'(0) exists then k'(0)=0}

(b) m(x) is a function of two functions f(x) and g(x) [ m(x)=\frac{1}{2}\times\frac{f(x)}{g(x)} ]. Since m(x) has a function g(x) in the denominator so we need to use <u>division rule</u> to differentiate m(x). Division rule is as follows : \frac{\mathrm{d} \frac{f(x)}{g(x)}}{\mathrm{d} x}=\frac{\frac{\mathrm{d} f(x)}{\mathrm{d} x}\times g(x) + f(x)\times\frac{\mathrm{d} g(x)}{\mathrm{d} x}}{g^{2}(x)}

this will give <em>m'(x) = \frac{1}{2}\times\frac{f'(x)g(x) - f(x)g'(x)}{g^{2}(x) }</em>

on substituting the value x=5, we will get the value of m'(5).

{for expressing the value in terms of numbers first we need to know the value of f(5), g(5), f'(5) and g'(5) in terms of numbers}

{NOTE : in m(x), g(x) ≠ 0 for all x in domain to make m(x) defined and even m'(x) }

{ NOTE : \frac{\mathrm{d} f(x)}{\mathrm{d} x}=f'(x) }

4 0
3 years ago
A large company made $6,439,583 last year . what in the value of the 9 in $6,439,583?
Mama L [17]

The value of 9 is 9,000 it’s in the  Thousands place

8 0
2 years ago
Read 2 more answers
Other questions:
  • The function f(x) = −x2 − 7x + 30 shows the relationship between the vertical distance of a diver from a pool's surface f(x), in
    11·2 answers
  • Which of the following values is equal to − (−4.3)?<br><br> A) -4.3<br> B) 0<br> C) 4<br> D) 4.3
    15·2 answers
  • WILL GIVE BRAINLIEST!!<br><br><br><br><br> Solve for x. <br><br><br> 2x^2−8x+5=0
    15·1 answer
  • Answer the Question <br><br> [7 x ( 78 x 3) - 6] Remember PEMDAS
    12·1 answer
  • What is the volume of the rectangular prism with 16cm , 9cm, and 4cm
    10·1 answer
  • What would be a reasonable estimate for 7m = 91
    14·2 answers
  • Julissa wants to join her local gym. A gym membership is $27 a month with a one–time initiation fee of $117. Which equation repr
    14·1 answer
  • The amount of carbon-14 in an object is given by y = ae– 0.00012t where a is the initial amount of carbon and t is the age in ye
    14·1 answer
  • Help pls Evaluate.<br><br><br><br> ​​ 169−−−√ ​<br><br><br><br> Enter your answer in the box.
    14·2 answers
  • 1. Given the points P (1, - 4). Q (3,-2), R (-3,5), find the coordinates of the mid-points A and B of PO and PR respectively and
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!