(2ax2a)+(3bx3b)-(2x2ax3b)

1 answer:

7 0

4a^2 + 9b^2 - 12ab

Step- by-step

(2a*2a)+(3b*3b)-(2*2a*3b)

Remove parenthese

2a(2a) + 3b(3b) - (2(2a) (3b))

4a^2 + 9b^2 - (4a•(3b))

4a^2 + 9b^2 - 12ab

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Find all solutions for a triangle with a = 14, b= 12, and B = 90°.

ziro4ka [17]

Answer:

No solution.

Step-by-step explanation:

Given

$a = 14; b= 12; B = 90^\circ$

Required

Find all possible solutions

If $B = 90^\circ$ , then the triangle is right-angled and the hypotenuse is at b

Given that $a = 14; b= 12;$

This implies that a > b

In a right-angled triangle, the hypotenuse (side b) is the longest.

Since this is not true for the given sides, then the triangle has no solution.

5 0

3 years ago

9. Write an equation parallel to y = 2x + 4that<br> passes through the point (-4,-1).

sasho [114]

Answer:y=2x+7

Step-by-step explanation:

so for the new equation, we know the slope is going to be the same (because its parallel) so for starters we have y=2x+b so now in order to find b (the y-intercept) we have to plug the point into the equation. So it would look like -1=2(-4)+b and then you solve for b and get 7 for b. SO the final answer is y=2x+7.

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3 years ago

Someone help me with this pls

Olegator [25]

Your answer is B) (2x+1)(3x+2)
Explanation in picture \/