3 years ago

Find the value of z in the triangle shown below.

Mathematics

1 answer:

suter [353]3 years ago

5 0

Answer:

x = 69.4 degrees

Step-by-step explanation:

∠x = sin(a·sin(B)/b) = 1.21158 rad = 69.419°

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Evaluate <br> 1/3 ÷ 2/5 =<br> Give your answer as a fraction in its simplest form.

Softa [21]

Answer:

5/6

Step-by-step explanation:

Since 1/3÷2/5 can also be written as 1/3/2/5

So the ÷ can then be converted to × and 2/5 will change to 5/2

So let's solve

1/3×5/2

5/6

Since there is no common number that can divide the two

So the final answer is 5/6

3 0

3 years ago

Read 2 more answers

What is 3x+4=16 <br> what is the value of x=

stiv31 [10]

Answer:

Step-by-step explanation:

3x+4=16

-4 -4

3x=12

3/3 12/3

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3 years ago

Which of the following is equivalent to the polynomial below?

Gnoma [55]

Answer:

$(x-(4+\sqrt{3}i))(x-(4-\sqrt{3}i))$

Step-by-step explanation:

Consider the quadratic expression

$x^2-8x+19$

First, find its discriminant:

$D=(-8)^2-4\cdot 1\cdot 19=64-76=-12$

Note that $i^2=-1,$ then $D=12i^2.$

Use quadratic formula to find the roots:

$x_{1,2}=\dfrac{-(-8)\pm \sqrt{12i^2}}{2\cdot 1}=\dfrac{8\pm 2\sqrt{3} i}{2}=4\pm \sqrt{3}i$

Now, given quadratic expression is equivalent to

$(x-(4+\sqrt{3}i))(x-(4-\sqrt{3}i))\\ \\=(x-4-\sqrt{3}i)(x-4+\sqrt{3}i)$

6 0

3 years ago

If a recipe calls for 12tsp of butter and 1 and 1/2 cups sugar, but only 10 tsp is available, then how much sugar will be needed

pashok25 [27]

I hope this helps you!

5 0

4 years ago

Please help me with this!!!! Tyyyyyy

Anna35 [415]

Answer:

Step-by-step explanation:

I don't know what it's asking for but I assume what is angle B so we'll go with that. I think it's B 129 because it's right across from angle F which looks almost identical and is 130 degrees that's a 1 degree difference.

4 0

3 years ago