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alexandr402 [8]

3 years ago

11

How to multiply radicals

1 answer:

vovangra [49]3 years ago

3 0

You can do more than just simplify radical expression . You can multiply and divide them , too. You can use your knowledge of exponents to help you ! Three ways you can multiply a radical 1) Make sure that the radical have the same index 2) Multiply the numbers under the radical signs 3) Simplify the radical expressions .m Do you understand all of these blabla words . Hope so...

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If m∠JKM = 43, m∠MKL = (8 - 20), and m∠JKL = (10x - 11), find each measure.

Brut [27]

Correct Question: If m∠JKM = 43, m∠MKL = (8x - 20), and m∠JKL = (10x - 11), find each measure.

1. x = ?

2. m∠MKL = ?

3. m∠JKL = ?

Answer/Step-by-step explanation:

Given:

m<JKM = 43,

m<MKL = (8x - 20),

m<JKL = (10x - 11).

Required:

1. Value of x

2. m<MKL

3. m<JKL

Solution:

1. Value of x:

m<JKL = m<MKL + m<JKM (angle addition postulate)

Therefore:

$(10x - 11) = (8x - 20) + 43$

Solve for x

$10x - 11 = 8x - 20 + 43$

$10x - 11 = 8x + 23$

Subtract 8x from both sides

$10x - 11 - 8x = 8x + 23 - 8x$

$2x - 11 = 23$

Add 11 to both sides

$2x - 11 + 11 = 23 + 11$

$2x = 34$

Divide both sides by 2

$\frac{2x}{2} = \frac{34}{2}$

$x = 17$

2. m<MKL = 8x - 20

Plug in the value of x

m<MKL = 8(17) - 20 = 136 - 20 = 116°

3. m<JKL = 10x - 11

m<JKL = 10(17) - 11 = 170 - 11 = 159°

3 0

3 years ago

Find the value of x.

patriot [66]

Answer:

the answer to this question is very simple

its

33.75°

8 0

2 years ago

2x +4 (3 - 2x) = 3(2x + 2)/6 + 4<br> from my math book

liberstina [14]

Answer:

x = 1

Step-by-step explanation:

2x +4 (3 - 2x) = 3(2x + 2)/6 + 4

2x+12-8x = (6x+6)/6 +4

-6x + 12 = x+1+4

12-5 = 7x

7x = 7

x=1

Hope this helps!

4 0

2 years ago

Read 2 more answers

From the top of a building, 40 feet above the ground, a construction worker locates a rock at a 12° angle of depression. How far

MA_775_DIABLO [31]

Answer:

188 m

Step-by-step explanation:

$\tan(12) = \frac{40}{x} \\ x = \frac{40}{ \tan(12) } \\ x = 188$

6 0

3 years ago

Read 2 more answers

nikitadnepr [17]

Answer:

i am not so sure but I think its 10x = 33

3 0

3 years ago