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pashok25 [27]
3 years ago
13

Who's create 0 in why?

Mathematics
1 answer:
larisa86 [58]3 years ago
7 0

Answer:

Hindu astronomer discovered 0 by using math. They use zero because they use it ion a number line with positive and negative numbers. They also use the 0 for counting the numbers.

Step-by-step explanation:

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Simplify the following expression. 2x^5+3x^3-5x^2+7x+1+7x^5-3x^3-4
alisha [4.7K]

Answer:

9x^5−5x^2+7x−3

Step-by-step explanation:

2x5+3x3+−5x2+7x+1+7x5+−3x3+−4

(2x5+7x5)+(3x3+−3x3)+(−5x2)+(7x)+(1+−4)

9x^5+−5x^2+7x+−3

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3 years ago
Which is the best reason why 3/5 is the exact quotient for 1/2÷5/6
romanna [79]
Because when divided a fraction u must flip a fraction and cross multiply
1/2÷5/6
1/2×6/5
3/5
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3 years ago
7x + 10y = 36<br><br> Y= 2x + 9
gizmo_the_mogwai [7]

Answer:

(-2,5)

Step-by-step explanation:

5 0
3 years ago
Find the value of the trig function indicated ​
Lera25 [3.4K]

Answer:

\cos(\theta)=\frac{4}{5}

Step-by-step explanation:

Step 1:

Let us find the missing side. We know this is a <u>right triangle</u>, so we can use the pythagorean thereom to find the last side. Let us set 12 as variable <em>a</em>, 20 as variable <em>c</em>, and the unknown side as variable <em>b</em>.

a^2+b^2=c^2\\12^2_b^2=20^2\\b^2=400-144\\b^2=256\\b=\pm16

We do know that a <u>length can never be negative</u>, so the side <em>b</em> would be 16.

Step 2:

According to SOHCAHTOA, cosine is utilizes the adjacent and hypotenuse of the given angle theta. Let us write the equation:

\cos(\theta)=\frac{adjacent}{hypotenuse} \\\\\cos(\theta)=\frac{16}{20} \\\\\cos(\theta)=\frac{4}{5}

<em>I hope this helps! Let me know if you have any questions :)</em>

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3 years ago
I'm stuck with these questions.
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Remember to use King Henry Died By Drinking Chocolate Milk
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