2 years ago

Find the measure of each angle

Mathematics

1 answer:

Phantasy [73]2 years ago

8 0

Answer:

6(78)-34

Step-by-step explanation:

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Complete the square to the problem X^2+6x-16=0

marishachu [46]

Answer:

Step-by-step explanation:

$(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\-------------------------------\\\\x^2+6x-16=0\qquad\text{add 16 to both sides}\\\\x^2+6x=16\\\\x^2+2(x)(3)=16\qquad\text{add}\ 3^2\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=16+3^2\\\\(x+3)^2=16+9\\\\(x+3)^2=25\Rightarrow x+3=\pm\sqrt{25}\\\\x+3=-5\ \vee\ x+3=5\qquad\text{subtract 3 from both sides}\\\\\boxed{x=-8\ \vee\ x=2}$

3 0

3 years ago

Some one plz help me

Deffense [45]

Answer:

Given:

- angle: E

- opposite-leg : 3

- adjacent - leg: 4

- hypotenuse: 5

sin(E) = opposite-leg / hypotenuse = 3 / 5

Answer: 3 / 5

Step-by-step explanation:

Brainliest?

5 0

2 years ago

Read 2 more answers

Reposting since it wasn’t answered. Increased points to 25.

insens350 [35]

Answer:

a,b,d,e

answered in the first question

4 0

3 years ago

Factor. 21x^2 -32x+12

baherus [9]

Through trial and error:
(7x-6)(3x-2)

Usually it works best to test out a number of possibilities :)

3 0

3 years ago

How many square centimeters are in an area of 5.60 in2?

Phantasy [73]

1 square inch = 2.54^2 = 6.4516 square cms

So 5.60 in^2 = 6.60 * 6.4516 = 36.13cm^2 to nearest hundredth

7 0

3 years ago

Find the measure of each angle​

Find the measure of each angle