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2 years ago

Expressions Review

Mathematics

1 answer:

fgiga [73]2 years ago

6 0

For #1 I think it’s A. For #2 I think it’s D. Ross sold 34 boxes.

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Given sin (-theta) = 1/5 and tan theta = sqrt.6/12

stich3 [128]

Given $sin (\theta) = \frac{1}{5}$ , and $tan \theta = \frac{\sqrt{6} }{12}$ , then:

$cos\theta=\frac{2\sqrt{6} }{5}$

<h3> Computations on trigonometric identities</h3>

From the details provided:

$sin (\theta) = \frac{1}{5}\ \\\\tan \theta = \frac{\sqrt{6} }{12} \times \frac{\sqrt{6} }{\sqrt{6} }\\\\tan \theta = \frac{\sqrt{6} \times \sqrt{6} }{12 \times \sqrt{6} }\\\\tan \theta =\frac{1}{2\sqrt{6} }$

From the relationship above:

Opposite = 1

Adjacent = $2\sqrt{6}$

Hypotenuse = 5

$cos\theta=\frac{Adjacent}{Hypotenuse} \\\\cos\theta=\frac{2\sqrt{6} }{5}$

Learn more on trigonometry here: brainly.com/question/20519838

3 0

1 year ago

What is the area of this quadrilateral?

weqwewe [10]

Answer:

12/2=6x2=12 and 9x6=36.12+36=48 thus is c

Step-by-step explanation:

8 0

2 years ago

32 is 64% of what number?

Alex73 [517]

To find percentage, you must divide 32 by the decimal percent. In this case, it is .64
The equation is X/P=Y, with Y being the answer.
When you plug the numbers in, you get this. 32 / .64 = Y
Since 32/ .64 is 50, the correct response is 50.

8 0

2 years ago

A TV that usually sells for $175.95 is on sale for 20% off. If sales tax on the TV is 6%, what is the price of the TV, including

shutvik [7]

Actual cost of the TV = $175.95
Percentage of discount given on the TV = 20%
Then
Amount of discount on the TV = (20/100) * 175.95 dollars
   = 175.95/5 dollars
       = 35.19 dollars
So cost of the TV after discount = (175.95 - 35.19) dollars
      = 140.76 dollars
Now
Percentage of sales tax that needs to be added = 6%
Then
Amount of sales tax that needs to be added = (6/100) * 140.76 dollars
   = 844.56/100 dollars
   = 8.45 dollars
Then
Price of TV after adding sales tax = (140.76 + 8.45) dollars
   = 149.21 dollars
So the cost of the TV after deducting the discount and adding the sales tax is $149.21

3 0

2 years ago

What is the inverse of g (x)=2x-3

MrRa [10]

Answer:

g^-1 (x)=1/2x+3/2

Step-by-step explanation:

y=2x-3

x=2y-3

2y=x+3

y=1/2x+3/2

4 0

3 years ago