Answer:
D
Step-by-step explanation:
To obtain vertex form from the given equation use the method of completing the square
given 8y + x² = - y² - 181 + 26x
rearrange having the x terms and y terms together
add y² to both sides
8y + x² + y² = - 181 + 26x ( subtract 26x from both sides )
x² - 26x + y² + 8y = - 181
add (half the coefficient of the x/y terms )² to both sides
x² + 2(- 13)x + 169 +y² + 2(4)y + 16 = - 181 + 169 + 16
completing the square on both the x and y terms
(x - 13)² + (y + 4)² = 4 → D
Answer:
#1
Step-by-step explanation:
Hope this helps! <3
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Answer:
1,500
Step-by-step explanation:
Ratio of Sugar to Flour: 5:8 -> 25:40
Ratio of Flour to Baking Soda: 10:1 -> 40:4
Sugar to Flour to Soda: 25x:40x:4x
= 
-> x = 60
Sugar = 25x = 1,500
Hope this helps :)
Answer:
there is sufficient evidence to support the claim that male student have a sitting height different of 91.4 cm.
Step-by-step explanation:
p value = 0.0198
level of significance = 0.05
hypothesis:-
decision:-
p value = 0.0198 <0.05
so, we reject the null hypothesis.]
