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Serhud [2]
3 years ago
14

Deidre does not think exercise makes a difference in weight loss when trying to lose weight. She gets two random samples of the

amount of weight lost between those with exercise and those without. The top graph shows the amount of weight lost for those with exercise and the bottom graph shows the amount of weight lost for those without exercise. Which statement correctly compares the distributions?
A) Those who did not exercise lost 5 more pounds than those who did exercise.
B) Those who did not exercise lost 2 fewer pounds than those who did exercise.
C) Those who exercised had more consistent weight loss than those who did not exercise.
D) On average, those who exercised lost about 4 more pounds than those who did not exercise.
Mathematics
2 answers:
melamori03 [73]3 years ago
7 0

Answer = c

Step-by-step explanation:Since the medians are approximately the same they lost on average around the same amount regardless of exercise. Notice that the range of those with exercise is smaller though so they were more consistent in the amount of weight lost.

Len [333]3 years ago
7 0

Answer:

c

Step-by-step explanation:

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Peter answered 15 questions on a quiz and obtained 29 points. If 3 points were given for each correct answer and one point deduc
nalin [4]

Answer: peter got 11 right and 4 wrong

Step-by-step explanation: So when he answers 11 answers correctly he gains 33 points so he loses 4 points from the remaining 4 wrong answers.

8 0
3 years ago
F(x) = -x² – 10x + 16<br> Find f(-7)
Gala2k [10]

Answer:

-5

Step-by-step explanation:

or, f(x) = -x^2+10x+16

or, f(7) = (-7)^2+10*-7+16 (-7*-7=49)

=49-70+16

=65-70

=-5

5 0
3 years ago
Reflect the point (-20,4)
Firdavs [7]
Refrection of (-20, 4) across x-axis gives (-20, 4) = (-20, -4)

Refrection of (-20, 4) across y-axis gives (20, 4)

Refrection of (-20, 4) across y = -x gives (20, -4)

Refrection of (-20, 4) across y = 7 gives (20, 10)
4 0
3 years ago
Plssss helpppp me on this last answererrr
Oksanka [162]
The answer is y= -3x-3
Please mark as BRAINLIEST!
4 0
3 years ago
Identify the zeros of the polynomial function N(x)=1/2 (x-1)(x+3).
zhannawk [14.2K]

Answer:

a:x=-3

c:x=1

Step-by-step explanation:

The zeros of a function are the values of x for which the value of the function f(x) becomes zero.

In this problem, we have the following function:

f(x)=\frac{1}{2}(x-1)(x+3)

Here we want to find the zeros of the function, i.e. the values of x for which

f(x)=0

In order to make f(x) equal to zero, either one of the factors (x-1) or (x+3) must be equal to zero.

Therefore, the two zeros can be found by requiring that:

1)

x-1=0\\\rightarrow x=+1

2)

x+3=0\\\rightarrow x=-3

So the correct options are

a:x=-3

c:x=1

6 0
3 years ago
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