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Pani-rosa [81]
3 years ago
5

Please help !!!!!!!!!!!

Mathematics
1 answer:
KengaRu [80]3 years ago
4 0
Note that when x=0, y=-6, so d cannot be right. Note that 2 and -1.5 are solutions. The only answer choice that has both as zeroes is a.
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Jimmy, Joe and sally are racing their cars. Jimmy and Joe have completed the same number of laps- six fewer laps than Sally. If
shusha [124]
X = the number of laps Joe has ran.
x + x + x + 6 = 222
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The heights of women aged 20 to 29 are approximately Normal with mean 61 inches and standard deviation 2.5 inches. Men the same
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3 years ago
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What is the area of the figure?
Zinaida [17]

Answer:

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3 years ago
How many solutions does this linear system have?
Andrews [41]

Answer:

x = 0 , y = 4

Step-by-step explanation:

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{y = 4 - 3 x | (equation 1)

x + 2 y = 8 | (equation 2)

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{3 x + y = 4 | (equation 1)

x + 2 y = 8 | (equation 2)

Subtract 1/3 × (equation 1) from equation 2:

{3 x + y = 4 | (equation 1)

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Multiply equation 2 by 3/5:

{3 x + y = 4 | (equation 1)

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{3 x+0 y = 0 | (equation 1)

0 x+y = 4 | (equation 2)

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{x+0 y = 0 | (equation 1)

0 x+y = 4 | (equation 2)

Collect results:

Answer: {x = 0 , y = 4

8 0
3 years ago
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Squrt of 72 is  8.49

squrt of 32 is  5.66

squrt of 481 is 21.93
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3 years ago
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