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3 years ago

Compare and Contrast:

2 answers:

6 0

Equation 1 :
| 5x - 6 | = -41.....no solution because an absolute vlue cannot equal a negative number

equation 2 :
| 7x + 13 | = 27...2 solutions

C. equation 2 has more solutions then equation 1.

Lady bird [3.3K]3 years ago

4 0

So the question ask on which of the following questions is true about the two solution that is given and the best answer among the following, based on my calculation and further formulation, the answer is letter C. Equation 2 has more solution than Equation 1. Hope this helps

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shutvik [7]

First calculate the missing angle $\alpha$ . By knowing all angles in triangle have a sum of 180°.

$\alpha=180-(\gamma+\beta)$
$\alpha=180-(90+49)=\boxed{41}$

Now we required to use angle functions in a right triangle. The cosine of $\beta$ is equal to the relation of side $a$ and hypotenuse $c$ .

Now we solve this for hypotenuse.

$\cos(\beta)=\frac{a}{c}$

$c=\frac{a}{\cos(\beta)}$

Now put in the numbers.

$c=\frac{9}{\cos(49)}\approx\boxed{13.7}$

So we know the length of hypotenuse and length of side $a$ therefore side $b$ can be calculated using Pythagorean theorem: $c^2=a^2+b^2$ .

Solve for side $b$ .

$c^2=a^2+b^2$

$b=\sqrt{c^2-a^2}$

$b=\sqrt{13.7^2-9^2}\approx\boxed{9.7}$

So there you go. If you have any questions feel free to ask.

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4 years ago

Which statement is true ?

lilavasa [31]

Answer:

Option C I guess

Step-by-step explanation:

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