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3 years ago

Why is less than or equal to -2 parentheses X -2 to the second power -1 the axis of the cemetery is X equals

1 answer:

3 0

Please work on the grammar here...it's difficult to understand what you are asking. Note: "cemetary" means "a place of burial." You meant "axis of symmetry."

Please go back to the original problem and ensure that you copy it down here exactly as it was givent o you.

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What is the sum of the measures of the exterior angles in a nonagon? explain

DedPeter [7]

The sum of the measures of all exterior angle in a polygon with n sides is always $360^{\circ}$ .

Nonagon is a polygon with 9 sides. If this nonagon is regular or equiangular, then all interior angle are congruent, and therefore all exterior angles are congruent. Then the measure of each exterior angle is $\dfrac{360^{\circ}}{9} =40^{\circ}$ .

5 0

3 years ago

Please help me ASAP I will give brainliest

stellarik [79]

Answer:

-23

Step-by-step explanation:

rearrange to point slope form first

slope can be fine by y2-y1/x2-x1 (im using the first 2 points)

so 13-25 = -12 and -54-(-72) = 18, and the slope is -12/18 which is -2/3

then you can use any point (i used the first point) to create the point slope form which is y-ypoint=slope(x-xpoint) and equation would be y-25=-2/3(x+72)

turn it into slope intercept form by multiplying -2/3 within the equation and adding -25 on both sides

you will get y= -2/3x-23

and the y intercept will be (0, -23)

3 0

3 years ago

Read 2 more answers

Assume the upper arm length of males over 20 years old in the United States is approximately Normal with mean 39.2 centimeters (

MAVERICK [17]

Answer:

The interval [32.6 cm, 45.8 cm]

Step-by-step explanation:

According with the 68–95–99.7 rule for the Normal distribution: If $\large \bar x$ is the mean of the distribution and s the standard deviation, around 68% of the data must fall in the interval

$\large [\bar x - s, \bar x +s]$

around 95% of the data must fall in the interval

$\large [\bar x -2s, \bar x +2s]$

around 99.7% of the data must fall in the interval

$\large [\bar x -3s, \bar x +3s]$

So, the range of lengths that covers almost all the data (99.7%) is the interval

[39.2 - 3*2.2, 39.2 + 3*2.2] = [32.6, 45.8]

This means that if we measure the upper arm length of a male over 20 years old in the United States, the probability that the length is between 32.6 cm and 45.8 cm is 99.7%

3 0

3 years ago

What is 8c x 2 x 2 - c + 3 + 2c x 2 x 2 - c + 2 WILL GIVE BRANLIEST IF CORRECT

Katena32 [7]

Answer:

38c + 5

Step-by-step explanation:

8c x 2 x 2 - c + 3 + 2c x 2 x 2 - c + 2

38c +5

8 0

3 years ago

2x+3-3 when x=-6 solve

balandron [24]

Answer:

x=9

Step-by-step explanation:

6 0

3 years ago