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bixtya [17]
3 years ago
6

The members at a health club decreased in number by 15% from last year to this year. The following expression was used to find t

he number of members in the health club this year, T, where H is the number of members in the health club last year.
Select the correct interpretation for the given equation.
A.
H is 0.85% of the number of members last year.
B.
H is 0.15% of the number of members last year.
C.
H is 15% of the number of members last year.
D.
H is 85% of the number of members last year.
Mathematics
2 answers:
irga5000 [103]3 years ago
4 0
Answer is c


Hit the thank button
DanielleElmas [232]3 years ago
4 0

Answer:B

Step-by-step explanation:

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Amanda [17]

Answer:

907.46

Step-by-step explanation:

We know the area of a circle is:

\pi r^{2} \\\pi (34/2)^{2}\\17^{2} \pi \\907.46

5 0
2 years ago
Select all that apply. (PLEASE HELP!!)
AlexFokin [52]
A and B are the answers.

If you need proof, just ask in the comments, and I’ll get back to you.

I hope this helps!
5 0
3 years ago
Factor (difference of squares) the binomial 25x^2-4 and find one of its factors
Lunna [17]

Step-by-step explanation:

Hey, there!

Here,

Given that:

= 25 {x}^{2}  - 4

we need to find factor,

As it is in a^2-b^2 form as per its factor (a+b) (a-b), keeping same formula here,

25x^2 means (5x)^2

and 4 means 2^2

Now, it would be,

= ( {5x)}^{2}  -  {2}^{2}

= (5x + 2)(5x - 2)

Therefore, it's factor would be (5x+2)(5x-2).

<em><u>Hope it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

6 0
3 years ago
Help with these precalculus problems, please.
likoan [24]
Yay, easy peasy, nice refresher


53. evaluate for x=infinity
we get 100/(infiniy^2-5) which is basically 100/infinity which is a very small number so about 0



54.
vertical assemtotes, neato
that is where the denomenator equals 0
but wait, simplify first
ok, fraction is simplified (anything factored out would be a hole)
so set the denom to 0 and solve
x^2-5=0
(x-√5)(x+√5)=0
x=-√5 and √5
vertical assemtotes at x=-√5 and x=√5




55. horizontal assemtotes
for the function p(x)/f(x)

if p(x) has lower degree than f(x) then y=0 is the horizontal assemtote

if p(x) has equal degree to f(x) then divide the leading coefients of p(x) and f(x)

if p(x) has greater degree than f(x) then we got slant assemtotes

100/(x^2-5)
100 has lower degree than x^2
y=0 is the horizontal assemtote



56. evalate for x=-5
we get -150/-10=150/10=15
the limit is 15



57. that negative on the right side means that we must approach it from the left
let's see if we can factor out the denomenator
nope
so go and evaluate values like 4, 4.5, 4.9, etc, approaching x=5 from the left
we keep getting smaller and smaller valuse
this make sense because as x approaches 5, we get 30(c)/(c-5) where c is close to 5, and as c appraoches 5 very close, the top part is appraoching 150 but the bottom approaches a very small negative number, and if we do something like 150/-0.00000000001, we get a very negative number
the limit is negative infinity

alternately, you could figure that there is a vertical assemtote at x=5 so we can see that if we aproximaate closer and closer values, we get smaller values. so from what we know about assemtotes, expecially vertical ones, we say that it approaches negative infinity




58.
evalauating we get infintity/inifinty, not helpful
hmmm, is there a horizontal assemtote to help us?
the degree of top is higher so we got a slant assemtote
the only way is to use long division to divide the top by the bottom (see attachment)
we get
\frac{1}{2}x-\frac{1}{4}+\frac{\frac{1}{4}}{2x+1}
the slant assemtote is y=\frac{1}{2}x-\frac{1}{4}
as you can see, as x approaches infinity, y also will approach infinity











ANSWERS:
53. 0
54. VA is x=-√5 and x=√5
55. HA is y=0
56. the limit is 15
57. the limit is -∞
58. the limit is ∞

6 0
3 years ago
URGENT!! HELP WITH THIS MULTIPLE CHOICE MATH PROBLEM (MORE COMING...)
ch4aika [34]

Your answer would be 0,6.

- Because if you look at it correctly you see the right is at 0 and the top is at 6

6 0
3 years ago
Read 2 more answers
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