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gulaghasi [49]
2 years ago
7

Pls help asap MIDSEGMENTS

Mathematics
1 answer:
Salsk061 [2.6K]2 years ago
3 0

Answer:

RT and KS

Step-by-step explanation:

isosceles triangle

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What is the area of the following circle with radius of 7
seropon [69]

Answer:

153.94

Step-by-step explanation:

\pi r^{2}\\\pi  (7)^2\\=153.94--->about this amount

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On the set of axes, solve the following system of equations graphically for all values of
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Y = x² + 4x - 5
y = 2x

x² + 4x - 5 = 2x
<u>     - 2x       - 2x</u>
x² + 2x - 5 = 0
x = <u>-(2) ± √((2)² - 4(1)(-5))</u>
                   2(1)
x = <u>-2 ± √(4 + 20)</u>
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x = -1 ± √(6)
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4 0
2 years ago
Can 25, 32, 60 make a right triangle?
e-lub [12.9K]

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Step-by-step explanation:


3 0
2 years ago
Faith is purchasing coffee beans for her shop.
LUCKY_DIMON [66]

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8 0
2 years ago
Read 2 more answers
What is the estimated margin of error, using standard deviation?
OLEGan [10]
Find the mean ( average):
105 + 104 + 110 + 112 + 114 + 106 + 108 +109 = 868
Mean = 868 / 8 = 108.5

Standard deviation:
108.5 - 105 = 3.5, 3.5^2 = 12.25
108.5 - 104 = 4, 4^2 = 16
110 - 108.5 = 1.5, 1.5^2 = 2.25
112 - 108.5 = 3.5, 3.5^2 = 12.25
114 - 108.5 = 5.5, 5.5^2 = 30.25
108.5 - 106 = 2.5, 2.5^2 = 6.25
108.5 - 108 = 0.5, 0.5^2 = 0.25
109 - 108.5 = 0.5, 0.5^2 = 0.25

12.25 + 16 +2.25 + 12.25 + 30.25 +6.25+0.25+0.25 = 79.75
79.75/8 = 9.96875, SQRT(9.96875) = 3.1573

Standard Deviation = 3.1573

108.8 +/- 1.96 *(3.1573/sqrt(8) = 110.687 and 106.312

110.687 - 108.5 = 2.19
108.5 - 106.312 = 2.19
 

Margin of error = +/- 2.19



3 0
2 years ago
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