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agasfer [191]
3 years ago
15

I need to know the answers to the 3 questions in there

Mathematics
1 answer:
lina2011 [118]3 years ago
3 0
What are the three question?
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Give me an example of quadratic equation.​
nata0808 [166]
X(x - 2) = 4 [upon multiplying and moving the 4 becomes x² - 2x - 4 = 0] x(2x + 3) = 12 [upon multiplying and moving the 12 becomes 2x² - 3x - 12 = 0] 3x(x + 8) = -2 [upon multiplying and moving the -2 becomes 3x² + 24x + 2 = 0]
6 0
3 years ago
If you correctly answer 12 out of 18 questions on a quiz, what is your percentage correct? (Enter your answer as a fraction.
Degger [83]
So, you divide 18 by 12 to get 1.5
but since you want the fraction, just reduce 18/12 as much as possible to get 3/2
7 0
3 years ago
Read 2 more answers
I really need help guys im begging
soldier1979 [14.2K]
Havent done this in years but i think it would just be 12
3 0
3 years ago
Read 2 more answers
PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!
katen-ka-za [31]

Answer:

12

Step-by-step explanation:

a² + b² = c²

a² + 9² = 15²

a² + 81 = 225

a² = 225 - 81

a² = 144

\sqrt{a^2} =\sqrt{144}

a = 12

8 0
3 years ago
TVs are usually measured as a diagonal distance across the screen for screen measures 15.1 inches in height and 19 inches diagon
trasher [3.6K]

Answer:

11.53 inches

Step-by-step explanation:

Given data

Diagonal = 19 inches

Height=  15.1 inches

Let us apply the Pythagoras theorem

D^2= H^2+W^2

substitute

19^2= 15.1^2+W^2

361=228.01+W^2

361-228.01=W^2

132.99= W^2

W=√132.99

W=11.53 inches

Hence the width is 11.53 inches

5 0
3 years ago
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