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
rewona [7]
3 years ago
10

3. Simplify 2a + 2 / a^2 – 1 A) 2 / a – 1 B) 2a + 2 / a^2 – 1 C) -2 D) a + 1 / a – 1

Mathematics
2 answers:
Svetach [21]3 years ago
7 0
<span>(2a + 2) / (a^2 – 1)
(2(a +1)) / (a^2 - 1)
(2(a + 1)) / (a^2 - 1^2)
(2(a + 1)) / ((a + 1)(a - 1))
2 / a - 1

The answer is: 2/a - 1.</span>
andriy [413]3 years ago
6 0

Answer:

bot

Step-by-step explanation:

You might be interested in
When 5x2+2=4x is solved using the quadratic formula, what are the values of a,b, and c?
viktelen [127]

Hey there,

<u>What </u><u>are </u><u>the </u><u>values </u><u>of </u><u>a,</u><u> </u><u>b </u><u>and </u><u>c?</u>

5x² + 2 = 4x

5x² + 2 - 4x = 4x - 4x

5x² - 4x+ 2 = 0

<em>Quadratic </em><em>général </em><em>e</em><em>quation</em><em>:</em>

ax² + bx + c = 0

  • a = 5
  • b = -4
  • c = 2

I hope this helps ✅(◠‿◕)

3 0
3 years ago
Patty walked 2/5 of a mile in 5 1/2 minutes. At this rate, how long will it take Patty to walk 3 miles?
lapo4ka [179]

Answer:

41.25 minutes i think sorry if its wrong

4 0
3 years ago
Need help figuring this out!
Ulleksa [173]

For this case, we have that by definition, the area of a triangle is given by:

A = \frac {b * h} {2}

where:

b: It's the base

h: It's the height

In this case we have:

b = 21 \ ft\\h = 6 \ ft

Substituting:

A = \frac {21 * 6} {2}\\A = 63 \ ft ^ 2

Answer:

63 \ ft ^ 2

6 0
3 years ago
Pablo folds a straw into a triangle with side lengths of 4x2 – 3 inches, 4x2 – 2 inches, and 4x2 – 1 inches. The perimeter of th
Oduvanchick [21]
Perimiter=legntho f straw=12x^2-6

if x=1.5 inches
12(1.5)^2-6=legnth
12(2.25)-6=
27-6=
21

legnth is 21 inches

8 0
4 years ago
Read 2 more answers
PLEASE ANSWER ASAP!!
ExtremeBDS [4]

Answer:

<u>Fred paid US$ 310 to Social Security as a payroll tax</u>

<u>Fred paid US$ 72.50 to Medicare as a payroll tax</u>

<u>Fred paid 18% of his income to the Federal government as an income tax</u>

<u>Fred paid 5% of his income to the state government as an income tax</u>

Step-by-step explanation:

Fred's earnings in June were $ 5,000

A. Payment to Social Security

5,000 * 6.2% = 5,000 * 0.062 = 310

B. Payment to Medicare

5,000 * 1.45% = 5,000 * 0.0145 = 72.50

C. Federal Income Tax

900/5,000 = 0.18 = 18%

D. State Income Tax

250/5,000 = 0.05 = 5%

3 0
3 years ago
Other questions:
  • Last one please help
    11·1 answer
  • Miguel an 2 of his friends share 7 rice cakes equally.
    8·2 answers
  • On equal intervals, the y-values of a quadratic function have a common _________
    10·2 answers
  • What is 5.2x10^4 in standard form​
    6·1 answer
  • Need help !! 25 points ​
    14·1 answer
  • Arrange these numbers from least to greatest -5 positive 3 negative 2 1​
    13·2 answers
  • PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!!
    8·1 answer
  • I think it’s a pretty simple question but i don’t get it ! can someone help xoxo
    7·1 answer
  • Leo has 1 1/3 cups of sugar. He uses 3/4 cups of sugar in a recipe. How much sugar does Leo have left?
    15·1 answer
  • HELP ME PLZ ASAPPPPPP
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!