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mel-nik [20]
3 years ago
7

(X^4-81)/x^3+3x^2+9x+27

Mathematics
1 answer:
Iteru [2.4K]3 years ago
6 0

Answer:

x-3

Step-by-step explanation:

(x^2-9)(x^2-9)/x^2*(x+3)+9(x+3)

(x+3)*(x^2+9)/(x+3)*(x^2+9) cross multiply

(x^2+9)*(x+3)/(x^2+9) cross multiply

x+3 final anser

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What is the solution to the equation 4x-6= 10x-3?<br>​
JulijaS [17]

Answer:

2x=-1 or x=-0.5

Step-by-step explanation:

4x-6=10x-3   (-4x)

-6=6x-3   (+3)

-3=6x   (divide by 3)

-1=2x

8 0
3 years ago
Jenna feeds her cat twice a day. She gives her cat 3/4 can of cat food each time. Jenna is having a friend take care of her cat
Anarel [89]

Given:

Number of times Jenna feeds her cat = 2

Cat food each time =\dfrac{3}{4}\text{ can}

Number of days = 5

Number of cans she bought = 8

To find:

Did Jenna buy enough cat food.

Solution:

Required food for each time  =\dfrac{3}{4}\text{ can}

Jenna feeds her cat twice a day.

Required food for a day =2\times \dfrac{3}{4}\text{ can}

                          =\dfrac{3}{2}\text{ can}

Required food for 5 days =5\times \dfrac{3}{2}\text{ can}

                           =\dfrac{15}{2}\text{ can}

                           =7.5\text{ can}

Since, 7.5 cans < 8 cans, therefore, Jenna buy enough cat food for her cat.

7 0
3 years ago
Solve the equation.<br> 9 + n/5 = 19<br> A 50<br> B 140<br> C 104<br> D 86
bagirrra123 [75]

Answer:

50

Step-by-step explanation:

5 0
3 years ago
85+45=3(28+15) is this right or wrong
Nadusha1986 [10]
No that would be 3825 but the answer it gave u is 129
5 0
3 years ago
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Three copies of a triangle were rotated and positioned as shown.
lara31 [8.8K]
<span>The question aks us to determine which statement is always true about the angles in the figure. If angle A and B form a right angle, then C must be also a right angle, which is not correct. Also if A and C form a right angle, then angle B must be a right angle. So answers A and C are false. Also thet we know that the sum of the interior angles of the triangle is 180 degrees. A + B + C = 180 deg. ( or a straight angle ). Answer: B. Angle A, angle B, and angle C, form a straight angle. </span>
4 0
3 years ago
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