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Assoli18 [71]
3 years ago
7

HELP!!

Mathematics
2 answers:
kykrilka [37]3 years ago
4 0

Answer:

picture plzz

Step-by-step explanation:

miss Akunina [59]3 years ago
4 0

Answer:

can you put a picture please?

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Evaluate the following trigonometric expression, using the principal value for the cosine
Maslowich

Given:

The expression is

\tan (\cos ^{-1}(-\dfrac{1}{2}))

To find:

The value of given expression.

Solution:

We have,

\tan (\cos ^{-1}(-\dfrac{1}{2}))

=\tan (\pi-\cos^{-1}(\dfrac{1}{2}))          [\because \cos^{-1}(-\theta)=\pi -\cos^{-1}\theta]

=\tan (\pi-\cos^{-1}(\cos \dfrac{\pi}{3}))      [\because \cos \dfrac{\pi}{3}=\dfrac{1}{2}]

=\tan (\pi-\dfrac{\pi}{3})

=-\tan (\dfrac{\pi}{3})                 [\because \tan(\pi-\theta)=-\tan \theta]

=-\sqrt{3}         [\because \tan \dfrac{\pi}{3}=\sqrt{3}]

Therefore, the value of given expression is -\sqrt{3}.

5 0
3 years ago
When rounded to the thousands place, which of the numbers below round to 89,000? Select all that apply. A) 89,458 B) 88,450 C) 9
slega [8]

Answer:

A) 89,458  and

E) 88,615

When rounded to the thousands place, the numbers above will round to 89,000

Step-by-step explanation:

A) 89,458

When rounded to the thousands place, the number above will round to 89,000 because 458 is less than 500 .

In rounding we check the number next to the number which is to be rounded.

If that number is less than 5 it is dropped off and if it is greater and equal to 5 it is added to the next number.

In this number we check the hundreds place to round to the thousands number.

B) 88,450

When rounded to the thousands place, the number above will round to 88,000 because 450 is less than 500 .

C) 90,054

When rounded to the thousands place, the number above will round to 90,000 because 0 is less than 5 at the hundreds place .

D) 89,905

When rounded to the thousands place, the number above will round to 90,000 because 905 is greater than 500 .

E) 88,615

When rounded to the thousands place, the number above will round to 89,000 because 615 is greater than 500 .

3 0
3 years ago
Can please anyone help me
kodGreya [7K]

Answer:

y-17=5(x+2)

Step-by-step explanation:

point slope form is y-y1=m(x-x1)

y1 = y coordinate

m = slope

x1 = x coordinate

so you put in the x and y coordinates from the ordered pair into the equation

8 0
3 years ago
rajendra has 14 4/5 pounds of trail mix he is putting them into bags out 1 1/2 pounds each does he have enough trail mix complet
sukhopar [10]
Rajendra has enough trail mix to fill 8 bags with approximately 2 extra

14 4/5 = 14.8
1 1/2 = 1.5

14.8 / 1.5 ~ 10
7 0
3 years ago
Read 2 more answers
What is the area of a triangle that has a height of 10 feet and base length of 6 feet
disa [49]

Answer:

A = 30

Step-by-step explanation:

The area of a triangle is \frac{1}{2} bh

Plug in the values given:

A = 1/2 (10) (6) = 1/2 (60) = 30

4 0
4 years ago
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