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Cerrena [4.2K]
3 years ago
5

Solve the quadratic equation by the square root property 6x2=54

Mathematics
1 answer:
anyanavicka [17]3 years ago
8 0

6x^2=54\qquad|\text{divide both sides by 6}\\\\x^2=9\to x=\pm\sqrt9\\\\\boxed{x=-3\ \vee\ x=3}

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ASHA 777 [7]

Answer:

11=0

or

-11=0

keep in mind that you get these answers by completely simplifying the equation, but they are both false

Step-by-step explanation:

step 1: simplify both sides

2-16.5 simplifies to -14.5

4-7.5 simplifies to -3.5

so you get -3.5 = -14.5

step 2: add one side to the other to get a zero on one side

add 3.5 on both sides to get 0=-11

or

add 14.5 on both sides to get 11=0

step 3: evaluate the statement

since both -11 and 11 are not equal to 0, this statement is false

7 0
3 years ago
g Determine the critical values for these tests of a population standard deviation. ​(a) A​ right-tailed test with 16 degrees of
Vladimir79 [104]

Answer:

Step-by-step explanation:

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t =1.697

Critical values can be obtained from critical t tables.

Left tailed will have negative sign and right tailed positive

7 0
3 years ago
A)Which would you use to solve the following system and why?
posledela
A
I would choose the first system to stay the same because it would easier to multiply than divide (something along those lines)
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Step-by-step explanation:

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Answer:

6.8*0.85= 5.78

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