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Black_prince [1.1K]
3 years ago
8

Hi can you please help me with my work and please no Link please no Link please​

Mathematics
1 answer:
STatiana [176]3 years ago
8 0

Answer:

The second one, -11/12

Step-by-step explanation:

I used a website so sorry I don't have an explanation

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Big Reward! (Answer the right answer not just comment).
Zina [86]
A: One solution- a=11 b=5
B: Has no solution- a=10 b=5
C: Infinite solution- a=10 b=-8
8 0
3 years ago
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I have a triangular shaped base. I am composed of 3 rectangular faces. I am a 3D figure. What am I?
Alisiya [41]

Answer:

<em>Triangular prism </em>

Step-by-step explanation:

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3 years ago
How do I find the area of a triangle and a circle??
Salsk061 [2.6K]

Answer:

<em>Area</em><em> </em><em>of</em><em> </em><em>triangle</em><em> </em><em>=</em><em>1</em><em>/</em><em>2</em><em>×</em><em>base</em><em>×</em><em>height</em>

<em>Area</em><em> </em><em>of</em><em> </em><em>circle</em><em> </em><em>=</em><em> </em><em>pie</em><em> </em><em>×</em><em> </em><em>radius</em><em> </em><em>^</em><em>2</em>

3 0
3 years ago
Factor completely 81x8 − 1. (9x4 − 1)(9x4 1) (3x2 − 1)(3x2 1)(9x4 − 1) (3x2 − 1)(3x2 1)(9x4 1) (3x2 − 1)(3x2 1)(3x2 1)(3x2 1).
mojhsa [17]

Answer:

(3x^2 - 1)(3x^2 + 1)(9x^4 + 1).

Step-by-step explanation:

Using the identity for the difference of 2 squares;

a^2 - b^2 = (a - b)(a + b)  

we put a^2 = 81x^8 and b^2 = 1  giving

a = 9x^4 and b = 1, so:

81x^8 − 1 =   (9x^4 - 1)(9x^4 + 1)

Applying the difference of 2 squares to 9x^4 - 1:

= (3x^2 - 1)(3x^2 + 1)(9x^4 + 1).

4 0
2 years ago
The product of 2 times x and the sum of 9 and 5 times the square of x​
Olegator [25]

Answer:

2x * (9 + 5x^2)

Step-by-step explanation:

5 0
3 years ago
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