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Brut [27]
2 years ago
6

Which of the following is true of an ellipse with foci in the same location as the center?

Mathematics
1 answer:
uranmaximum [27]2 years ago
3 0

Answer:c

Step-by-step explanation:

c

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What are the zeros of the function f(x) = x2 + 5x + 5 written in simplest radical form?
AnnyKZ [126]
Given the function f(x)=x^2+5x+5 , to get the zeros we solve using quadratic formula;
x=[-b(+or-) sqrt(b^2-4ac)]/(2a)
from our function;
a=1,b=5, c=5

thus,

x=[-5(+or-)sqrt(5^2-4*1*5)]/(2*1)
x=[-5(+or-)sqrt(25-20)]/2
x=[-5+/-sqrt(5)/2

The answer is option C
4 0
3 years ago
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3.9t + 5.9t =<br><br><br><br><br> Sum one pls answer!!!!
MissTica

Answer:

9.8t

Step-by-step explanation:

3.9t + 5.9t = 9.8t

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2 years ago
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Temperature transducers of a certain type are shipped in batches of 50. A sample of 60 batches was selected, and the number of t
Contact [7]

Answer:

The number of six non conforming transducers at most =54/60=0.9

The number of fewer than six non conforming transducers =51/60=0.85

The number of at least six non conforming transducers at most =30/60=0.5

d) The center of the histogram is around 2 or 3 and it shows that there is some positive skewness in the data

Step-by-step explanation:

Relative Frequency Frequency       x

6/60=0.1                            6                   0

0.2                                    12                    1

0.2                                   12                     2

0.25                            15                      3

0.1                                    6                       4

0.05                               3                 5

0.05                               3                 6

0.0167                              1                          7

<u>0.033                               2                  8</u>

<u>∑                                    60                   </u>

The number of six non conforming transducers at most

= 6+12+12+15+6+3= 54

The number of six non conforming transducers at most =54/60=0.9

The number of fewer than five non conforming transducers

= 6+12+12+15+6 = 51

The number of fewer than six non conforming transducers =51/60=0.85

 

The number of at least six non conforming transducers

2+1+3+3+6+15= 30

The number of at least six non conforming transducers at most =30/60=0.5

We plot the histogram by placing the percentages (or relative frequency *100) on the y –axis and the X on the x-axis.

The center of the histogram is given by the mean of the distribution which in this case is = ∑fx/∑f= 161/60= 2.683

So option d is the best answer

d) The center of the histogram is around 2 or 3 and it shows that there is some positive skewness in the data

Because at the center (between 2 and 3) the curve is increasing

6 0
2 years ago
Convert the following fractions to decimals<br>9/16<br><br>6 3/5<br><br>1/4​
ZanzabumX [31]
0.5625
12.6
0.25
Give me a star and thx
8 0
3 years ago
20 POINTS PLS HELP ASP
3241004551 [841]

Answer:

x=65°

Step-by-step explanation:

Full circle is 360°,then 360-90-180=90,and

x+25=90

x=90-25

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8 0
3 years ago
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