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Mamont248 [21]
3 years ago
7

Please help on number 15

Mathematics
1 answer:
borishaifa [10]3 years ago
6 0
....................................................................
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V is the midpoint of UW. If UV = x + 2 and VW = 2x, what is VW?
Elan Coil [88]

Answer:

8 units

Step-by-step explanation:

x + 2 = 2x

2 = 2x - x

x = 2

uW = 2(2+2) = 8

3 0
3 years ago
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A factory produces fuses, which are packaged in boxes of 22. Four fuses are selected at random from each box for inspection. The
mojhsa [17]
The probability of finding one of the two defective fuses is:
\frac{2C1\times20C3}{22C4}=0.3117
The probability of finding 2 defective fuses is:\frac{2C2\times20C2}{22C4}=0.026
Therefore the probability of rejecting is 0.3117 + 0.026 = 0.3377.
5 0
3 years ago
What is the value of the discriminant of the quadratic equation −1 = 5x2 −2x, and what does its value mean about the number of r
Zepler [3.9K]
For the equation:
-1=5 x^2 - 2 x
5 x^2 - 2 x + 1 = 0,           then we substitute: a=5,  b=-2,  c =1
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Answer:
The discriminant is equal to -16 which means the equation has no real number solutions. 
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The last table is linear (1/2, 1, 1.5, 2)

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A car traveled 130 miles in 2 hours <br> how fast did the car travel
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130/2=65/1=65 miles per hour

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