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Scrat [10]
3 years ago
12

X-1=0 pls answer me I'll give u 10 points

Mathematics
1 answer:
Schach [20]3 years ago
7 0

Answer: x=1

Add 1 to both sides x-1=0 x-1+1=0+1

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Given a slope of -1 and the point (-2, -2), find the Y-intercept of the line. <br>​
Natali [406]

Answer:

The y-intercept of the line is -4.

Step-by-step explanation:

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y-(-2)=-1(x-(-2))

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4 0
2 years ago
Yi is running for class president. To try to predict how people will vote, she wants to take a poll with a 90% confidence level
slega [8]
90The information that you'd need in determining sample size when the standard deviation is unknown is:

z-value for the given level of confidence ⇒ The level of confidence is 90% and the z-value by convention is 1.645

The margin error (E) = 4%

The proportion of the population that you'd expect to vote for Yi. If this information isn't provided, use 50%. We call this value, p, the probability of success.

The probability of not success is q = 1 - 0.5 = 0.5

STEP 1:
Half the margin error = 0.04 ÷ 2 = 0.02

STEP 2:
Multiply the probability of success by the probability of fail = 0.5 × 0.5 = 0.25

STEP 3: 
Divide z-score by half of E = 1.645 ÷ 0.02 = 82.25
Then square the answer = 82.25² = 6765 rounded to the nearest integer)

STEP 4: 
Multiply the answer from STEP 2 by the answer from STEP 4
0.25 × 6765 = 1691 (rounded to the nearest integer)

Answer: Minimum Sample Size is 1691
8 0
3 years ago
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Complete the sentence.
leva [86]

Answer:

129

Step-by-step explanation:

there is a sequence of 9 to each

3 0
3 years ago
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Does (0,-5 satisfy the equation y= 2x +5
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it does not

Step-by-step explanation:

4 0
2 years ago
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