3 years ago

Will mark brainliest! Solve for the measure of angle Y.

Mathematics

1 answer:

Liono4ka [1.6K]3 years ago

3 0

Answer:

Step-by-step explanation:

(x+8) + (x-3) = 180-164

2x+5 = 16

x = 5.5

y = x-3 = 2.5°

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Read 2 more answers

How many roots does this has?<br>x^2+(2√5x)+2x=-10<br>find Discriminant

Alexxandr [17]

Given:

The equation is

$x^2+(2\sqrt{5})+2x=-10$

To find:

The number of roots and discriminant of the given equation.

Solution:

We have,

$x^2+(2\sqrt{5})x+2x=-10$

The highest degree of given equation is 2. So, the number of roots is also 2.

It can be written as

$x^2+(2\sqrt{5}+2)x+10=0$

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Discriminant of the given equation is

$D=b^2-4ac$

$D=(2\sqrt{5}+2)^2-4(1)(10)$

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$D=8\sqrt{5}-16$

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Since discriminant is $8\sqrt{5}-16\approx 1.89$ , which is greater than 0, therefore, the given equation has two distinct real roots.

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