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valina [46]
2 years ago
9

Can y’all help me please !!! it’s due by 11:59

Mathematics
1 answer:
rusak2 [61]2 years ago
8 0
Repost I can’t see the question and the picture
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Quadratic equations of the form _____ can be solved using square roots
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Answer:

Step-by-step explanation:

Quadratic equations of the form (x - h)^2 + k = 0 can be solved using square roots:  Take the square root of both sides, prefacing the right side with " ± "

6 0
3 years ago
You will begin with a relatively standard calculation. consider a concave spherical mirror with a radius of curvature equal to 6
vodomira [7]
We are given a concave spherical mirror with the following dimensions:

Radius = 60 cm; D o = 30 cm
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First, we need to know the focal length, f, of the object (this should be given). Then we can use the following formulas for calculation: 

Assume f = 10 cm

1/ f = 1 /d o + 1 / d i
1 / 10 = 1 / 30 + 1 / d i

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Therefore, the distance of the object from the mirror is 3 centimeters. The negative sign means it is "inverted". 
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2 years ago
Simplify. y^-3 pls help me i need this very bad
prisoha [69]
My understanding is that when the power is a negative number, move it to the denominator and change it to positive. 
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y^(-3)=1/(y^3)
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