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omeli [17]
1 year ago
8

Hellpppp Neeededd, How To Solve… Quadratic Formula Equation To x² +9x+8=0

Mathematics
1 answer:
mrs_skeptik [129]1 year ago
6 0

Answer:

-8 or -1

Step-by-step explanation:

x*2+9x+8=0

(x+8)(x+1)=0

x+8=0 or x+1=0

x= -8 or x= -1

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3 years ago
What is the y-value of the point of intersection of y=2sinx-cosx and y=cosx over the interval 0≤x≤pi/2 ? a. 0 b. (square root of
horsena [70]
We have that

<span>y=2sinx-cosx
y=cosx
</span>over the interval 0≤x≤pi/2-------> 0≤x≤1.57

using a graph tool
see the attached figure

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the y-value of the point of intersection is 0.707 -----> √2/2

the answer is the option 
<span>b. (square root of 2)/2</span>

7 0
3 years ago
Read 2 more answers
2.1 x 10^10 OVER 7 x 10^17
vlabodo [156]
2.1 x 10^10/ 7 x 10^17 
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hope this helps and have a great day :)


4 0
3 years ago
Read 2 more answers
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