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kirza4 [7]
3 years ago
7

Write the equation of this circle in standard form

Mathematics
1 answer:
givi [52]3 years ago
3 0

Answer:

c

Step-by-step explanation:

because if you solve the problem it is equal to c

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On a coordinate plane, a triangle is reflected across y = negative 2.
AleksandrR [38]

Answer:

The answer will be D.y=-2

Step-by-step explanation:

The reflection line is the fixed line that a shape or figure is reflected across of. The problem tells you that the triangle is reflected across y=-2

5 0
3 years ago
Read 2 more answers
- x2 +10x-16<br> As a graph
Ira Lisetskai [31]
The zero for -2x+10x-16 is positive 2

3 0
3 years ago
You are testing the claim that the mean GPA of night students is different from the mea GPA of day students. You sample 20 night
svetlana [45]

Answer:

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

Step-by-step explanation:

Here n= 20

Sample mean GPA = x`= 2.84

Standard mean GPA = u= 2.55

Standard deviation = s=  0.45.

Level of Significance.= ∝ = 0.01

The hypothesis are formulated as

H0: u1=u2   i.e the GPA of night students is same as the mean GPA of day students

against the claim

Ha: u1≠u2

i.e the GPA of night students is different from the mea GPA of day students

For two tailed test  the critical value is  z ≥ z∝/2= ± 2.58

The test statistic

Z= x`-u/s/√n

z= 2.84-2.55/0.45/√20

z= 0.1441

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

8 0
3 years ago
1/7 rounded to 2 decimal places
dmitriy555 [2]

Answer:

0.14

Step-by-step explanation:

1/7 = 0.142

Since 2<5 the answer is 0.14.

5 0
3 years ago
Chris is twice as old as Don, and next year the sum of their ages will be four times as much as Don’s age last year. Find their
RUDIKE [14]
Don's present age: 6
Chris's present age: 12
5 0
3 years ago
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