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3 years ago

Find the number of unique permutations of the word ALGEBRA.

Mathematics

1 answer:

iVinArrow [24]3 years ago

4 0

Answer:

= 2520

Step-by-step explanation:

In 2520 distinct way the letter "ALGEBRA " can be Arranged

I think it's the answer

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Help please help!!!!!!!!!!!!!!!!!!!

BartSMP [9]

Answer:

The rectangle for the porch and most of the house is 15+ 10 = 25 by 30

25 x 30 = 750

The top triangles are 5 x 5 = 25. We don't need to divide because there are two triangles

The 5 and 5 from the triangle can subtract the bottom 30 to find the length of the rectangle

30-5-5=20 x from the height of the triangle = 100

100+750+25=875

hope this helps. Your answer is 875

Step-by-step explanation:

8 0

4 years ago

Factor 2x^2 - 2x - 12

Pavlova-9 [17]

Factor the polynomial.

2(x−3) (x+2)

How to get the answer:

Factor 2x^2−2x−12

2x^2−2x−12

=2(x+2)(x−3)

Answer: 2(x+2)(x−3)

8 0

3 years ago

Bob is 6 years older than his sister, and the sum of their ages is 32, how old is Bob?

luda_lava [24]

Bob is x yrs old
Sister is x+6 yrs old

X+X+6=32
2X+6=32
2X=32-6
2X=26
2X/2=26/2
X=13

Bob is 13 yrs old

Sister is 13+6 yrs
= 19 yrs

13yrs+19yrs = 32 yrs

Now its 100% accurate

6 0

3 years ago

Describe the steps you would use to factor 2x3 + 5x2 – 8x – 20 completely. Then state the factored form.

WARRIOR [948]

The polynomial $2x^3 + 5x^2-8x-20$ may have solutions which are the divisors of -20, therefore -20 has the following divisors: $\pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20$ .
If x=1, then $2\cdot1^3 + 5\cdot1^2-8\cdot1-20=-20\neq 0$ ,
if x=-1, then $2\cdot(-1)^3 + 5\cdot(-1)^2-8\cdot(-1)-20=-9\neq 0$ ,
if x=2, then $2\cdot2^3 + 5\cdot2^2-8\cdot2-20=0$ , then x=2 is a solution and you have the first factor (x-2).
If x=-2, then $2\cdot(-2)^3 + 5\cdot(-2)^2-8\cdot(-2)-20=0$ , then x=-2 is a solution, so you have the second factor (x+2).
Since x-2 and x+2 are two factors of $2x^3 + 5x^2-8x-20$ , then the polynomial $x^2-4$ is a divisor of $2x^3 + 5x^2-8x-20$ and dividing the polynomial $2x^3 + 5x^2-8x-20$ by $x^2-4$ you obtain
$2x^3 + 5x^2-8x-20=(x-2)(x+2)(2x+5)$ .

5 0

3 years ago

Read 2 more answers

Answer and two cuz i need help

natita [175]

Answer:

1) 15.5 2) 6.75

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers