3 years ago

Please Help Math Problem

Mathematics

1 answer:

olasank [31]3 years ago

7 0

In similar triangles the angles equal each other an din this case

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Evaluate sin^-1 1/2 . Round your answer to the nearest hundredth.

adoni [48]

Answer:

Step-by-step explanation:

Given the expression $sin^{-1} 1/2$ , the following steps must be taken to evaluate the expression.

$Let\ y = sin^{-1}1/2$

$y = sin^{-1} 0.5$

From the calculator, the value of y wil give;

$y = 30\\\\y = 30.00 (to\ the \ nearest \ hundredth)$

Hence $sin^{-1} 0.5 = 30.00$ .

6 0

4 years ago

What is the number in scientific notation? 0.0765

devlian [24]

Answer:

$7.65 * 10^{-2}$ is scientific notation of 0.0765

Step-by-step explanation:

For scientific notation , follow the following notation:

$a * 10^{b}$ -------->(equation 1)

Let, $a^{'} = 0.0765$

In standard form

$a = 7.65$

As decimal point move 2 places from left to right, therefore

b = -2

Put the value of 'a' and 'b' in (equation 1)

$7.65 * 10^{-2}$ is scientific notation of 0.0765

4 0

4 years ago

How many values are between 30 and 50?

skad [1K]

between 30 and 50 is approximately 40

7 0

2 years ago

Five years ago, John’s age was half of the age he will be in 8 years. How old is he now?

Stella [2.4K]

Answer:

Step-by-step explanation:

x-5=(x+8)/2

x-5=x/2+4

add 5

x=x/2+9

subtract x/2

x/2=9

times 2

x=18

6 0

3 years ago

In a triangle, two of the angles measure 78° and 49°. Find the measure of the third angle.

Klio2033 [76]

Sum of interior angles of a triangle = 180
so
<span>third angle = 180 - 78 - 49 = 53

</span>

3 0

3 years ago

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