Mathematics, 12.01.2020 21:31 JEThompson6416

What is the measure of jhn?
25°
45°
50°
95°

What is the measure of jhn? 25° 45° 50° 95°

Answers: 3

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Answer from: Bangggggg6

First, it is important to realize that angles MHL and JHK are vertical angles and are therefore equal and we are given both of these angle measures. We can find angle JHK because angle JHN plus angle NHK equals JHK. So Since we have angles JHN (x+20) and NHK (x+25) we therefore have angle JHK (x+20+x+25 or 2x+45). Now, wince we have angles MHL and JHK and we know that they are equal, we can write the equation: MHL=JHK, or 3x+20=2x+45. First, we must subtract 2x from both sides to get x+20=45. Then, we must subtract 20 from both sides to get x=25. Since we have a value for x and we know angle JHN is x+20, angle JHN must be 45 (25+20=45).

I hope this helps!

Answer from: gonsalex6688

The answer you are looking for is B.45 degrees, hope that helps.

Answer from: Quest

the simplified form is

$\frac{x^2(2x+3)}{2(4x-3)}$

step-by-step explanation:

we want to simplify the expression,

$\frac{\frac{6x+9}{15x^2} }{\frac{16x-12}{10x^4} }$

let us change the middle bar to a normal division sign to obtain,

$\frac{6x+9}{15x^2}\div\frac{16x-12}{10x^4}$

we multiply the first fraction by the reciprocal of the second fraction to obtain,

$\frac{6x+9}{15x^2}\times \frac{10x^4}{16x-12}$

we factor to obtain,

$\frac{3(2x+3)}{3\times5\times x^2}\times \frac{2\times5\times x^2\times x^2}{4(4x-3)}$

we cancel the common factors to get,

$\frac{(2x+3)}{1}\times \frac{ x^2}{2(4x-3)}$

we simplify to get,

$\frac{x^2(2x+3)}{2(4x-3)}$

the correct answer is b

Answer from: Quest

the largest number of the four options is 1.8 x 10-2

you have it in scientific notation.

1.80 x 10-6 = 0.00000180

1.80 x 10-4 = 0.000180 (bigger, or "less small", than the former one)

1.8 x 10-2 = 0.0180. as you see. the "less small", or the biggest one of them all.

as you have negative exponent, it means you are dividing 1.8 by 100 (i.e. moving the dot towards left, two times).

if you had positive exponent for the scientific notation, power of tenths, you would be multiplying times 100 (moving the dot towards right) as below:

1.8 x (10)2 = 180

so. if you have negative exponent in scientific notation, move the dot toward left. if it is positive, toward right as many times the exponent tells you.

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What is the measure of jhn?
25°
45°
50°
95°
...