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3 years ago

Which answer shows the relative frequency by the row of girls?

Mathematics

2 answers:

fenix001 [56]3 years ago

5 0

Answer:

The answer is (C) 60%, 12.2%, 27.8%, 100%

Step-by-step explanation: Plz Trust me ;)

Art [367]3 years ago

4 0

Answer:

Step-by-step explanation:

Only option C values add up to 100%

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Verify that (cos²a) (2 + tan² a) = 2 - sin² a....<br>

Sveta_85 [38]

Trigonometric Formula's:

$\boxed{\sf \ \sf \sin^2 \theta + \cos^2 \theta = 1}$

$\boxed{ \sf tan\theta = \frac{sin\theta}{cos\theta} }$

Given to verify the following:

$\bf (cos^2a) (2 + tan^2 a) = 2 - sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

$\rightarrow \sf (cos^2a) (2 + \dfrac{sin^2 a}{cos^2 a} )$

$\texttt{\underline{apply distributive method}:}$

$\rightarrow \sf 2 (cos^2a) + (\dfrac{sin^2 a}{cos^2 a} ) (cos^2a)$

$\texttt{\underline{simplify the following}:}$

$\rightarrow \sf 2cos^2 a + sin^2 a$

$\texttt{\underline{rewrite the equation}:}$

$\rightarrow \sf 2(1 - sin^2a ) + sin^2 a$

$\texttt{\underline{distribute inside the parenthesis}:}$

$\rightarrow \sf 2 - 2sin^2a + sin^2 a$

$\texttt{\underline{simplify the following}} :$

$\rightarrow \sf 2 - sin^2a$

Hence, verified the trigonometric identity.

7 0

2 years ago

Read 2 more answers

To find the mileage, or how many miles a car can travel per gallon of gasoline, you can use the expression m/g, where m is the d

MAVERICK [17]

Answer:32.5

Step-by-step explanation:

585/18

8 0

2 years ago

A circle has an area of 75 square centimeters. Which answer is closest to the measure of its radius?

REY [17]

Answer:

5 √(3/π) centimeters .

Step-by-step explanation:

I think that's the exact answer

6 0

3 years ago

Read 2 more answers

2 - 1 and 3/8 I don't know but I think it is 1 and 3/8 lol

Lubov Fominskaja [6]

Yea you are right it is right

5 0

3 years ago

What is the equation of the line written in general form?

SIZIF [17.4K]

Answer:

option 2 or y + x -2 = 0

Step-by-step explanation:

Given a line on a graph, it is easiest to start with point-slope form.

y = mx + b

where m is the slope (rise/run) and b is the y-axis intercept.

From the plot m = -2/2 = -1 and b = 2 SO

y = mx + b

y = -x + 2

Then the general form is

y + x -2 = 0

7 0

3 years ago