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3 years ago

Find the distance between the two points in simplest radical form. (4, -3) and (-1, -9)

Mathematics

2 answers:

Dima020 [189]3 years ago

6 0

Answer: your the imposter you killed red then vented in admin

Step-by-step explanation:

Aleksandr-060686 [28]3 years ago

5 0

Hope this help and ion know which form you need so this is both of this don’t help comment back and I’ll help

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If (cos)x= 1/2 what is sin(x) and tan(x)? Explain your steps in complete sentences.

Natasha_Volkova [10]

The correct answers are:
1) sin(x) = $\frac{ \sqrt{3} }{2}$
2) tan(x) = $\sqrt{3}$

Explanation:
Given:
$cos(x) = \frac{1}{2}$

Step 1:
Since, according to the Trigonometric identity:
$sin^2(x) + cos^2(x) = 1$ -- (1)

Step 2:
Plug in the value of cos(x) in equation (1):
$sin^2(x) + ( \frac{1}{2} )^2 = 1 \\ sin^2(x) + \frac{1}{4} = 1 \\ sin^2(x) = \frac{3}{4}$

Step 3:
Take square-root on both sides:
$\sqrt{sin^2(x)} = \sqrt{\frac{3}{4}}$

sin(x) = $\frac{ \sqrt{3} }{2}$

Now to find the tan(x), we would use the following formula:

tan(x) = $\frac{sin(x)}{cos(x)}$ --- (2)

Plug in the values of sin(x) and cos(x) in equation (2):
tan(x) = $\frac{ \frac{ \sqrt{3} }{2} }{ \frac{1}{2} }$

Hence tan(x) = $\sqrt{3}$

6 0

3 years ago

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9. A waffle iron can make a waffle in 4 minutes. How many waffles can be made in an hour?

Sati [7]

Answer:

15. 15x4=60

Step-by-step explanation:

8 0

3 years ago

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What is the common difference for this arithmetic sequence?54,50,46,42,38,...

drek231 [11]

Answer:

Minus each number to figure out the common difference which is -4.

54-4= 50

50-4= 46

46-4= 42

42-4= 38

3 0

3 years ago

Write two fractions multiplication expressions that are equivalent to the expression 3/4X2/3

kolbaska11 [484]

Answer:

1st fraction =

2/6*3/2

2nd fraction =

3/6*2/2

Step-by-step explanation:

7 0

2 years ago

The greatest value of sinA.cosA is

-BARSIC- [3]

Use the trig identity
2*sin(A)*cos(A) = sin(2*A)
to get
sin(A)*cos(A) = (1/2)*sin(2*A)

So to find the max of sin(A)*cos(A), we can find the max of (1/2)*sin(2*A)

It turns out that sin(x) maxes out at 1 where x can be any expression you want. In this case, x = 2*A.

So (1/2)*sin(2*A) maxes out at (1/2)*1 = 1/2 = 0.5

The greatest value of sin(A)*cos(A) is 1/2 = 0.5

4 0

3 years ago

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