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3 years ago

What radian measure is equivalent to 900°? 5n 10n 1/5n 9n

Mathematics

2 answers:

Sergeu [11.5K]3 years ago

3 0

9n is the answer to this question

Alex Ar [27]3 years ago

3 0

Answer: 5n

Sources: Just trust me

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A rectangle has a length of 9.00 inches and a width of 4.25 inches. What is the area in square inches? Round to the correct sign

mash [69]

3 sig figs
multiply
9.00*4.25=38.25
round to 3
38.3 square inches

5 0

3 years ago

An airplane is traveling at a speed of 200 km/h. Identify the correct conversion factor setup required to compute the speed of t

Reptile [31]

Answer:

The correct conversion is B)

B) 200km 1hr x 1000m 1km x 1hr 60min x 1min 60s

Hence,

200 km/h ⇒ $\dfrac{200 \times 1000}{60\times 60}=55.56\ m/s$

Step-by-step explanation:

Given:

An airplane is traveling at a speed of 200 km/h.

The correct conversion is B)

B) 200km 1hr x 1000m 1km x 1hr 60min x 1min 60s

Reason:

For Converting Speed unit km/h ⇒ m/s

First we need to convert km ⇒ meter

So 1 km = 1000 meter

Secondly, in hour ⇒ seconds first we need to convert it into minutes then to seconds

hour ⇒ minute ⇒ seconds

So 1 hour = 60 minute and 1 minute = 60 seconds

Therefore, 1 hour = 60 min × 60 sec

Hence,

200 km/h ⇒ $\dfrac{200 \times 1000}{60\times 60}=55.56\ m/s$

8 0

3 years ago

Find \cos(\alpha)cos(α)cosine, left parenthesis, alpha, right parenthesis in the triangle. Choose 1 answer: Choose 1 answer: (Ch

icang [17]

Answer:

Check Explanation

Step-by-step explanation:

The diagram for this question is missing, but from the setup of the question, it is evident that the triangle to obtain cos α from is a right angled triangle.

It is evident from the options provided that the right angled triangle is one with dimensions of 20, 21 and 29.

These three dimensions perfectly form a Pythagorean triple.

So, the value of cos α now depends on the setup of the triangle.

From trigonometric relations, if α is an angle in the right angled triangle, cos α is given mathematically as

Cos α = (Adj/Hyp)

For this Pythagorean triple,

Hyp = hypotenuse side = 29

Adj = Adjacent side = 20 or 21, depending on the triangle's setup.

If the adjacent is 20,

Cos α = (20/29), option A is correct.

If the adjacent is 21,

Cos α = (21/29), option C is correct.

Hope this Helps!!!

7 0

3 years ago

Can anyone out there help me find why the answer is 800,000.00

emmasim [6.3K]

S = total sales
$45,000 is his goal
$13,000 is his base salary

Luca gets 4% commission on his sales. 1.04s = total sales + 4% commission on sales

base salary + (total sales + 4% commission) = 45,000

AKA

13,000 + 1.04s = 45,000 --> Subtract 13,000 from both sides

1.04s = 32,000 --> Divide both sides by 1.04 to find the total sales

<u>s = $30769.24 (2.d.p.)</u>

3 0

3 years ago

Marco is making mosaic garden Stones using red, yellow ,and blue tiles. He has 45 red tiles,90 blue tiles,and 75 yellow tiles. S

son4ous [18]

The Greatest Common Factor: G C F ( 45, 90 , 75 ) = 15
The greatest number of stones Marco can make is 15.
45 : 15 = 3
90 : 15 = 6
75 : 15 = 5
He will use: 3 red, 6 blue and 5 yellow tiles in each stone.

4 0

3 years ago