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
lutik1710 [3]
3 years ago
7

Which function is the inverse of y = 1/4x^2 - 1, where x < 0

Mathematics
1 answer:
kykrilka [37]3 years ago
5 0

Answer:

B

Step-by-step explanation:

25 x 25= 625

625-1= 624

B= y= -(200 + 1) which to the square root = 625

You might be interested in
True or False? The graphs of y = tan x and <br> y = cos x have the same period.
Sveta_85 [38]

Answer:

False

Step-by-step explanation:

False.  The period of y = tan x is π, whereas that of y = cos x is 2π.

7 0
2 years ago
18n squared + 57n -10
aniked [119]
Most people use the decomposition method but i dont know how to do that so i use the Joes method a method similar to decomp. but easier.
canadian way

Find gcf: None
complet trinomial: 18n^2+57-10
find the product=10(18)
                       =-180
find the sum     =57
-3 and 60 goes into both meaning if you multiply 3 and60 you get -180 and if you add them you get 57.

so (n-3)(n+60)
divide by a in this case it 18
so (n<u>-3</u>)(n+<u>60</u>)
       18     18
do not divide. treat it like a fraction so you reduce it to lowest terms
(n<u>-3</u>)(n<u>-3)
</u>   18   10
<u /> at this point its reduced to lowest terms so now you take the deniminator and move it beside the "n"

=(18n-3)(10n-3)

therefore your answer is (18n-3)(10n-3)
I hoped this helped :)
3 0
3 years ago
Melanie swarm for 142 minutes during her first week of vacation. In her two weeks of vacation she swam for a total of 347 minute
Soloha48 [4]

Answer: Melanie swam 63 minutes more in second week.

Step-by-step explanation:

Given ,  Time taken by Melanie in first week to swim = 142 minutes

Combined  time taken by her in first two weeks in swimming = 347 minutes

Now , time taken by her in second week =  (Combined  time  of first two week) - (Time taken in first week)

= 347-142 minutes

=  205 minutes

Clearly , 205 > 142 i.e. She swam more in second week than first week./

Difference i= 205-142 = 63

Therefore, Melanie swam 63 minutes more in second week.

3 0
3 years ago
Please help ASAP I need this turned in! I don’t understand it!
ss7ja [257]

Car A: 3x + 6

Car B: 4x+8

Step-by-step explanation:

total: 7 (x+2)

7 0
3 years ago
You choose a marble at random from a bag containing 8 brown marbles 6 yellow marbles and one purple marble. You replace the marb
Andrej [43]
Pick 1: 6 yellow out of 15 total marbles = 6/15 = 2/5
Pick 2: 6 yellow out of 15 total marbles = 6/15 = 2/5

Pick 1 AND Pick 2
   2/5     x       2/5    = 4/25
5 0
3 years ago
Other questions:
  • A(2*10)/b+10)=<br> (a=2,b=3)
    11·1 answer
  • If a−3b/a+b = 3/4 , what are the following ratios?<br><br> a+b/a
    10·1 answer
  • T x 3/4 for t = 8/9
    8·2 answers
  • I need help ASAP plzz
    11·1 answer
  • Please help due today
    8·2 answers
  • How do you find the definition of rhombus
    6·1 answer
  • Help please I don’t get it &amp; I’m terrible at math.
    5·2 answers
  • A clerk has 4 different letters that need to go in 4 different envelopes. What is the probability that all 4 letters are put in
    11·1 answer
  • The ratio of boys to girls in a room is 4:9.<br> There are a total of 39 people in the room.
    6·2 answers
  • Select the postulate that is illustrated for the real numbers. 3x + 3 = 3(x + 1) The commutative postulate for multiplication Mu
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!