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3 years ago

the graph of the function f(x)= -(x-6)(x+2) is shown below which statement about the function is true

1 answer:

5 0

We can’t answer this question without more info. It’s clearly a multiple choice question, so you need to provide the answers.

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Class a had a mean score of 7.8 and a standard deviation of 1 class b had a mean score of 8.1 and a standard deviation of 0.2 wh

Karo-lina-s [1.5K]

Class 2 scored better on average

<h3>How to determine which class scored better on average?</h3>

The averages and the standard deviations are given as:

Class 1

Mean score = 7.8

Standard deviation = 1

Class 2

Mean score = 8.1

Standard deviation = 0.2

As a general rule, the smaller the standard deviation; the better the average

Class 2 has a smaller deviation

Hence, class 2 scored better on average

Read more about standard deviation at:

brainly.com/question/28061243

#SPJ1

6 0

1 year ago

the length of a rectangle is two feet greater then twice its width if the primeter is 25 find the width

Mademuasel [1]

Answer:

Step-by-step explanation:

Perimeter is simply length + width. They gave us that the length is 2 feet plus 2 times the width:

$25=(2w+2)+W$

Subtract 2 from both sides to get 23 = 2w + w

Combine like terms to get 23 = 3w

Divide by 3 to get $w=7 \frac{2}3}$ feet

7 0

2 years ago

Which equation represents a circle with a center at (-3,-5) and a radius of 6 units?

kondaur [170]

Answer: (x+3)2 + (y+5)2 =36

Step-by-step explanation:

7 0

2 years ago

Help me please.....:)

kozerog [31]

Answer:I don’t know if I’m right but imma have to say G

Step-by-step explanation:

I’m not good at math

8 0

3 years ago

Is the following shape a right triangle? How do you know?

Gwar [14]

Answer:

D. Yes, two sides are perpendicular, and the side lengths fit the

Pythagorean theorem.

4 0

3 years ago