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uysha [10]
3 years ago
8

HELP ME PLESE ,3 I NEED THIS

Mathematics
1 answer:
snow_lady [41]3 years ago
5 0

The measure of arc EF = 146 degrees because its central angle = 146 degrees.

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How many terms are in the expansion (a + b)20
Pavel [41]

Answer:

21 terms

Step-by-step explanation:

Number of terms = Exponent + 1 = 20 +1 = 21

5 0
3 years ago
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The endpoints of CD are C(–8, 4) and D(6, –6). What are the coordinates of point P on CD such that P is the length of the line s
Arturiano [62]
If you graph the end points C and D then graph the 4 points at the end it is difficult to tell which points are on CD without a line.  
Using the endpoints find the slope (change in y/ change in x) then substitute a point in to find the intercept.  
Slope = (-6-4)/(6- -8) = -5/7
Intercept equation (-6) = -5/7 (6) + b
b = -1.71428571429
Graphing the line shows only 2 points on the line (–2.75, 0.25) and <span>(0.75, –2.25)
I am confused by the part, "</span><span>P is the length of the line segment from D".  Were you given a length P to help you determine which point.  Using the distance formula to find the length from each point to D doesn't help determine which one is best with the information you have given.  The image shows the distances I calculated and the graphed points. 
I hope this helps!</span>

3 0
3 years ago
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Is it possible for 2 lines with negative slopes to be perpendicular? Why or why not?
Setler [38]

Answer:

No

Step-by-step explanation:

Perpendicular lines have negative reciprocal slopes, for example:

2/3 and -3/2

It is not possible for 2 lines to have negative slopes and be perpendicuar. This is because a slope must be negated to get the perpendicular slope.

8 0
3 years ago
Rhat is the solution to this inequality -9x-15&lt;3
Gnesinka [82]

- 9x - 15 < 3 \\  - 9x < 3 + 15 \\ x <  \frac{18}{9}  \\ x < 2

5 0
3 years ago
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The length of an insect’s wing, drawn at a scale of 50:1, is 15 cm. What is the actual length of the wing?
Mkey [24]
50*15cm=750cm
750cm long 
7 0
4 years ago
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