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
maxonik [38]
3 years ago
12

Which of the following is equal to the rational expression when x=-1 or -7? (x+1)(x-1)/(x+7)(x+1) a. x+7/x-1 b. x-1/x+7 c. x+1/x

+7
Mathematics
1 answer:
e-lub [12.9K]3 years ago
5 0

Answer:b

Step-by-step explanation:

(×+1)(×-1)

---------------

(×+1)(×+7)

=cancel (×+1) both the numerator and denominator then you are left with

(×-1)

-------

(×+7)

=(×-1)/(×+7)

You might be interested in
A jacket cost £70 but is reduced by 12% in a sale. What is its new price
klemol [59]
100% = 70
1% = .7 (divide by 100)
12% = 8.4 (Multiply 1% by 12)
70 - 8.4 = 61.6 (New Price)
Hope this helped! Got any questions just ask!


8 0
3 years ago
(5 4 – 2) × (–2) = ? <br> a. 22 <br> b. –14 <br> c. 14 <br> d. –22
tamaranim1 [39]
The correct answer is b. -14
:)
6 0
3 years ago
Solve for m .<br> 3m = 9
Rzqust [24]

Answer:

3

Step-by-step explanation:

9÷3=3 so the answer is 3 and you can check by doing 3×3=9

6 0
3 years ago
Solve the simultaneous equations:<br><br> 5x + 3y = 9<br> 7x - 2y = 25<br><br> x=__<br> y=__
kondor19780726 [428]

Answer:

x= 3, y= -2

Step-by-step explanation:

5x+3y= 9

x= 25÷7 + 2÷7 y

5(25÷7 +2÷7 y)

5( 25÷7 +2÷7 y ) + 3y= 9

y= -2

x= 25÷7 + 2÷7 x (-2)

x= 3

5 0
3 years ago
Helppppp............
Arlecino [84]

Answer:

V=lwh

4x6x3

v=72

3 0
3 years ago
Read 2 more answers
Other questions:
  • Eighteen and nine tenths is 2.6 less than a number. find the number.
    15·1 answer
  • John and 4 friends are going out for pizza for lunch . They split one pizza and 5 large drinks. The pizza cost $10.00. After usi
    8·1 answer
  • Which values are solutions to the inequality below? <br><br>Check all that apply. &gt;4
    11·2 answers
  • What does the numerator of the fraction 5/6 mean?
    7·1 answer
  • I have a bag of 4 cotton candy lollipops 3 cherry 6 butterscotch and 1 orange what is the probability of randomly choosing a cot
    9·1 answer
  • (-2, 1) is a solution for which of the following equations?
    11·1 answer
  • Given \qquad \overline{PQ}\perp\overline{PS} PQ ​ ⊥ PS start overline, P, Q, end overline, \perp, start overline, P, S, end over
    9·1 answer
  • Ayudenme plis lo mas rapido posible
    12·2 answers
  • Write the equation of the line fully simplified slope-intercept form. ​
    9·1 answer
  • TOT ROLIOS
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!