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dalvyx [7]
3 years ago
12

A bar graph is shown. The x-axis is labeled 1 through 9 and the y-axis is labeled 0, 5, 10, 15. Bar 1 is 2 units high, bar 2 is

4 units high, bar 3 is 6 units high, bar 4 is 8 units high, bar 5 is 10 units high, bar 6 is 8 units high, bar 7 is 6 units high, bar 8 is 4 units high, and bar 9 is 2 units high.
Which of the following statements is true about a graph that is perfectly symmetric, such as the one above?

The mean is greater than the median.

The mean is equal to the median.

The mean is less than the median.
Mathematics
1 answer:
LenaWriter [7]3 years ago
6 0

Answer:

the mean is equal to the median

Step-by-step explanation:

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The vertex angle of an isosceles triangle is 20° less than the sum of the base angles. Which system of equations can be used to
WINSTONCH [101]

The answer to the above question can be explained as under -

We know that, the sum of angles of triangle is 180°.

So, vertex angle plus base angles are equal are equal to 180°.

Let the vertex angle be represented by "v" and base angles be represented by "b".

Thus,  v + b + b = 180°

So,  v + 2b = 180°

Next, the question says, the vertex angle is 20° less than the sum of base angles.

Thus, 2b - 20° = v

<u>Thus, we can conclude that the correct option is A) v + 2b = 180°, 2b - 20° = v</u>

6 0
3 years ago
An election ballot asks voters to se4five city commissioners from a group of fifteen candidates. In how many wsys can this be do
svp [43]

That's "15 choose 5"

\displaystyle{15 \choose 5} = \dfrac{15! }{5! 10!} = \dfrac{15 \cdot 14 \cdot 13 \cdot 12 \cdot 11}{5 \cdot 4 \cdot 3 \cdot 2 \cdot 1} = (15/(5(3))(14/2)(13)(12/4)(11)\\\\= 7(13)(3)(11)=231(13)=3003

Answer: 3003 ways

8 0
3 years ago
What is the sign of the point pf the product of nineteen negatice numbers?
Masteriza [31]
A. Negative ♡

Im pretty sure about this

6 0
3 years ago
A circle is centered at N(-6, -2). The point E(-1,1) is on the circle.
galina1969 [7]

Answer:

Outside the circle

Step-by-step explanation:

Let's first write the equation of this circle: (x-h)^2+(y-k)^2=r^2, where (h, k) is the center and r is the radius. Here, the center is (-6, -2). We need to find the radius, which will just be the distance from N to E:

NE = \sqrt{(-6-(-1))^2+(-2-1)^2} =\sqrt{25+9} =\sqrt{34}

The radius is √34, which means that r² = 34. So, our equation is:

(x + 6)² + (y + 2)² = 34

Plug in -10 for x and -7 for y:

(x + 6)² + (y + 2)² = 34

x² + 12x + 36 + y² + 4y + 4 = 34

x² + 12x + y² + 4y + 40 = 34

x² + 12x + y² + 4y + 6 = 0

(-10)² + 12 * (-10) + (-7)² + 4 * (-7) + 6 = 7

Since 7 > 0, we know that H lies outside the circle.

6 0
3 years ago
Read 2 more answers
The polynomial f(x) = x³-x²+px+q, where p and q are constants, has remainder 8 when divided by (x-1). If (x+1) is factor of f(x)
quester [9]

Answer:p=-1 and q=1

Step-by-step explanation:

7 0
2 years ago
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