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Darina [25.2K]
3 years ago
7

PLEASE ONLY RIGHT ANSWERS BIG PART OF MY GRADE!! BRAINLIEST!!!!!!

Mathematics
2 answers:
Tresset [83]3 years ago
8 0

Answer:

138

Step-by-step explanation:

Substitute c for 5 and d for 4

6(5)^2 - 5(4) + 8

6 · 25 - 5 · 4 + 8

150 - 20 + 8

= <u>138</u>

lubasha [3.4K]3 years ago
4 0

Answer:

138

Step-by-step explanation:

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Select all the correct answers. If the measure of angle 0 is 5(pi)/4, which statements are true?
elixir [45]

Finding the equivalent angle of \theta, the correct statements are given as follows:

  • The Measure of the reference angle is 45.
  • \cos{\theta} = \frac{\sqrt{2}{2}}.
  • \tan{\theta} = 1
  • \sin{\theta} = \frac{\sqrt{2}{2}}.

<h3>What are equivalent angles?</h3>

Each angle on the second, third and fourth quadrants will have an equivalent on the first quadrant.

In this problem, the given angle is as follows:

\theta = \frac{5\pi}{4}

It is on the third quadrant, as it is between pi and 1.5 pi, hence the equivalent on the first quadrant, also known as the reference angle, is given by:

\frac{5\pi}{4} - \pi = \frac{5\pi}{4} - \frac{4\pi}{4} = \frac{\pi}{4}

The angle of 45º has equal sine and cosine, and tangent of 1, hence the correct statements are:

  • The Measure of the reference angle is 45.
  • \cos{\theta} = \frac{\sqrt{2}{2}}.
  • \tan{\theta} = 1
  • \sin{\theta} = \frac{\sqrt{2}{2}}.

More can be learned about equivalent angles at brainly.com/question/24787111

#SPJ1

8 0
1 year ago
How are natural numbers, whole numbers and integers used in everyday life?
Nezavi [6.7K]
Natural numbers: Counting things! You look around your room and see an electronic device, then another, then another! You just counted to 3 using the natural numbers.

Whole numbers! You try to look for electronic devices and realise that they’re all gone. You have zero electronic devices, and you just used whole numbers.

You go online to find where your electronic devices went, and realise they were taken because you’re in debt to the bank so they took some of your stuff. You’re in negative numbers, and now you’ve used integers.
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3 years ago
I need your help, please answer!!
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Answer:

non linear ( ꈍᴗꈍ)( ╹▽╹ )( ╹▽╹ )

4 0
3 years ago
12 cm<br> 6 cm <br> What is the area of this
Ahat [919]

Answer:

If it's a rectangle, then:

12 x 6 = 72 cm²

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What number is halfway between -15 and 20
ollegr [7]

Answer : 2.5

Solution:

To find the halfway number it means that you need to find the middle most value using the formula

Mid value = (X + Y) / 2

So in this case it would be,

Mid value =  (-15 + 20 ) / 2

Mid Value = ( 5 ) / 2

Mid Value = 2.5 answer

Hope this helps in understanding the question! :)

Note : do not forget the negative sign as it will change the answer and may cost you marks!

4 0
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