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Irina-Kira [14]
3 years ago
5

Trigonometry and Geometric Modeling; the ratios, which are called trigonometric ratios, include __________, ____________, and __

_____________.
Mathematics
1 answer:
Margarita [4]3 years ago
4 0

Answer:

Sine, cosine and tangent

Step-by-step explanation:

Given a right triangle you can find the sine (or cosine, or tangent) of either of the non- 90° angles.

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3X+9=15<br> WHAT IS THE RESULT?????
Rasek [7]
15 - 9 = 6 6÷3=2 X=2

You do the inverse operation
4 0
3 years ago
4, 9, 13, 18,<br> The common difference 'd' is
Ivanshal [37]

Answer:

There is no common difference

Step-by-step explanation:

     4      9      13      18

diff     5      4       5

Because the difference between 9 and 13 is 4

and the difference in the other terms is 5

there is no common differeence

7 0
2 years ago
How many days are there in 6 weeks? Solve the related word problem to represent the inverse operation There are days in 6 weeks
expeople1 [14]

Answer:

there a 42 days in 6 weeks

Step-by-step explanation:

multiply 6 x 7= 42

3 0
3 years ago
8.46 If 100 is decreased by a% and the result is decreased by b%, then what is the total percent decrease (in terms of a and b)?
Marysya12 [62]

Answer:

The total percent decrease is $a+b-\frac{a b}{100}$

Step-by-step explanation:

  • We are given with a word problem
  • We are asked to find the total percentage decrease
  • We can do this in two steps

         Step 1: Finding the two percentage decrease

         Step 2: Finding their difference

Step 1 of 2

Let the decrease by a% be 100-a

Then b% decrease is

$$\begin{aligned}\frac{b}{100} \times(100-a) &=\frac{100 b-a b}{100} \\\frac{100 b}{100}-\frac{a b}{100} &=b-\frac{a b}{100}\end{aligned}$$

Step 2 of 2

The percentage difference between the two percentages is,

$$\begin{aligned}&(100-a)-\left(b-\frac{a b}{100}\right)=100-a-b+\frac{a b}{100} \\&100-a-b+\frac{a b}{100}=100-\left(a+b-\frac{a b}{100}\right)\end{aligned}$$

Since 100 is the total percent $a+b-\frac{a b}{100}$ is the percentage decrease.

3 0
1 year ago
What is the missing length?<br> 20 cm<br> area = 580 cm
Ludmilka [50]

Answer:

580 / 20 = 29 cm = P

7 0
2 years ago
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