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Otrada [13]
3 years ago
7

If roots of a quadratic equation are real and equal, then which of the

Mathematics
1 answer:
ycow [4]3 years ago
4 0

Answer: where are the options??

Step-by-step explanation:

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A building's basement is 12 feet below ground. If the total length of the building from basement to roof is 62 feet, what is the
Effectus [21]

Answer:

62-12=50

Step-by-step explanation:

hope that helps!

5 0
2 years ago
An experiment was conducted as a one-way factorial design with K sample means, each based on n scores. What is the number of deg
nordsb [41]

Answer:

The mean squares has d.f (n-1)

Step-by-step explanation:

The total number of degrees of freedom is n-1 as there is only one restriction of computing the grand mean. The d.f for k samples is k-1 beacuase the mean of the sample means must equal the grand mean. Similarly , the d.f for within SS is n-k , due to the k restrictions of computing the k sample means. Hence we find that

Total df= Within df + Between df

n-1=  (n-k)+(k-1)

Between SS has (k-1) d.f

Within SS has (n-k) d.f

These two quantities are known as mean squares and has d.f (n-1)

8 0
3 years ago
Colin pays £721.45 a year on his car insurance.
Burka [1]

Answer:

655.08

Step-by-step explanation:

<h3>721.45 ×0.092=66.3734</h3><h3>721.45-66.3734=655.0766</h3>
4 0
2 years ago
HELP FAST!!! Here are two rectangles. The length and width of one rectangle are 8 and 5. The width of the other rectangle is 5,
deff fn [24]

Answer:

5•x=? and 8•5=40, personal opinion: the left rectangle is most likely a square so if you need to solve it it's 5•5=10

Step-by-step explanation:

A(area)=l (length)•w (width)

just plug in your numbers, in this case it would be 8(length) times 5(width)

6 0
3 years ago
The circles centered at points A, C, and D have radii of length AC.
natita [175]

it is the second one

Step-by-step explanation:

3 0
2 years ago
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