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katrin2010 [14]
3 years ago
8

A number x rounded to 1 significant figure is 40. What is the error interval for x.

Mathematics
2 answers:
Viktor [21]3 years ago
5 0

Answer:sorry i need points for my test

Step-by-step explanation:

Stells [14]3 years ago
3 0

Answer:

35 to 44 is the error interval

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Determine the difference between the monthly payments on a $120,000 home at 6.5% and at 8% for 15 years
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Answer:

I believe the answer is 1800

Step-by-step explanation:

120000 * 0.065 = 7800

120000 * 0.08 = 9600

9600 - 7800 = 1800

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What’s the median for 55, 42, 78, 99, 69, 83, 74, 83, 97
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The median of this is 78
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Solve the system and enter the smallest x-coordinate first
ankoles [38]
Answer:
(2,-3)(6,5)
Step-by-step explanation:
We can use substitution to get the equation: x^2-6x+5 = 2x-7
Solve:
x^2-6x+5 = 2x-7
x^2 = 8x-12
x^2-8x+12 = 0 (we now have a polynomial)
(x-6)(x-2) = 0 (set each equation to equal 0 and solve)
x-6 = 0 --> x=6
x-2 = 0 --> x=2
To get the Y coordinates:
y=2(2)-7 --> y = -3
y = 2(6)-7 --> y = 5

Check work:
5 = 6^2-6(6)+5 --> 5 = 36-36 +5 --> 5=5
-3 = 2^2-6(2)+5 --> -3 = 4-12+5 --> -3=-3
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Whats 4.8 as a mixed number in simplest form?
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4 4/5

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