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In-s [12.5K]
3 years ago
14

What's the measure of the angle indicated with a "?"

Mathematics
1 answer:
marysya [2.9K]3 years ago
3 0

Answer: 108 degrees

Step-by-step explanation:

180 - 72 = 108

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Write an equation for a linear function whose graph has the given characteristics.
BaLLatris [955]
G(x) = 6x + 2....the slope here is 6. A perpendicular line will have a negative reciprocal slope. To find the negative reciprocal slope, we flip the original slope and change the sign. So our perpendicular line will have a slope of -1/6. (see how I flipped 6 (or 6/1) and made it 1/6, then I changed the sign and made it -1/6)

y = mx + b
slope(m) = -1/6
(42,0)....x = 42 and y = 0
now we sub and find b, the y int
0 = -1/6(42) + b
0 = -7 + b
7 = b

so ur perpendicular equation is : y = -1/6x + 7....or f(x) = -1/6x + 7


5 0
3 years ago
Give a real life example of an outlier and explain why is it an outlier.
torisob [31]

Answer:

an example of an outlier is in state testing (which I just did today).

Step-by-step explanation:

say that most of the students got a a score of 78 to 95 the outlier would be something like a score of 30 because it is nowhere near the rest of the numbers and skews the the information when taking the average of a numbers.

Hope this helps! :)

And have a fabulous Friday!!

8 0
3 years ago
Read 2 more answers
Given the quadratic equation below, the standard form of it is
kotykmax [81]

Answer:

Step-by-step explanation:

2x^+9x=10

2x^2+9x-10=0 is standard form

8 0
3 years ago
I need help this is 10 points
Fynjy0 [20]

13. 3(x-6)-8=-2 (you have to plug in x-6 as x in the equation

3x-18-8=-2 (distribute 3)

3x-26=-2 (combine like terms)

3x=24 (subtract 26 to both sides)

x=8 (divide 3 to both sides)

14. -2(3(5y+5)=-4

-2(15y+5)=-4

-30y-10=-4

30y=6

y=1/5

15. (3x-5) +2x = 90

16. Let m be the number of minutes

0.75m+32 = 47

Using this equation you can find the number of minutes.

0.75m = 15 ( subtract 32 to both sides)

m= 20 (divide 0.75 to both sides)

Vera called 20 minutes beyond her allowed minutes.


Here I hope that this helped you out hon :)

3 0
3 years ago
A triangle with vertices at A(20, –30), B(10, –15), and C(5, –20) has been dilated with a center of dilation at the origin. The
Kobotan [32]

Answer:

One-fifth

Step-by-step explanation:

step 1

Find the distance between the origin and the point B

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

O (0,0) and B(10, –15)

substitute

d=\sqrt{(-15-0)^{2}+(10-0)^{2}}

d=\sqrt{325}\ units

step 2

Find the distance between the origin and the point B'

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

O (0,0) and B'(2,-3)

substitute

d=\sqrt{(-3-0)^{2}+(2-0)^{2}}

d=\sqrt{13}\ units

step 3

Find the scale factor of the dilation

The scale factor is equal to divide the length of segment OB' by the length of segment OB

so

\frac{\sqrt{13}}{\sqrt{325}}=\frac{1}{5}

so

One-fifth

4 0
3 years ago
Read 2 more answers
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