<u>ANSWER: </u>
If x = 
and x = -3 are the roots of the equation, then values of a and b are 3, -6
<u>SOLUTION:
</u>
Given, quadratic equation is 
and its roots are -3 ,
We know that, for any quadratic equation of form 
with roots 
then,
Sum of roots 
= 
Product of roots ( 
= 
Now, for given quadratic equation 
= -3 and 
=
hence Sum of roots = 
on solving we get "a" = 3
Now product of roots = 
b = -6
hence, the values of a and b are 3, -6.
2.146, 2.164, 2.46, 2.614
Answer:
There is no Thousands place in the number 920
Step-by-step explanation:
There are only units (0), tens (20) and hundreds (900).
Answer: Todd used 27 black tiles.
Step-by-step explanation:
Let x represent the number of black tiles that Todd used.
Todd uses 21 white tiles & some black tiles to make a mosaic. This means that the total number of white and black tiles that Todd used is 21 + x
Each tile has an area of 3 square centimeters. This means that the total area covered by the white tiles is
21 × 3 = 63 square centimeters
Also, the total area covered by the black tiles is
3 × x = 3x square centimeters
The mosaic has a total area of 144 square centimeters. This means that
3x + 63 = 144
3x = 144 - 63
3x = 81
x = 81/3 = 27
Answer:
Your answer is 116
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