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stich3 [128]
3 years ago
5

100 POINTS ANSWER FAST

Mathematics
2 answers:
DedPeter [7]3 years ago
4 0
<span>x=<span>−<span><span>2<span> and </span></span>y</span></span></span>=<span>−<span>2
</span></span>A.(−2, −2)
barxatty [35]3 years ago
3 0
The answer is <u>A; (-2,-2).</u>

Hope this helps. :)
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</u>
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The number of hours a typical student spends per week at school has an Order of Magnitude of 1.
Margarita [4]
If the number of hours in school each week is somewhere between 20 and 40, then it can be written in scientific notation as
  2.0×10¹ to 4.0×10¹

The exponent of 10 in each case is 1, so we can say the Order of Magnitude is 1.
  TRUE


_____
In Engineering terms, the order of magnitude is sometimes considered to be the integer part of the base-10 logarithm of the number.
  log(20) ≈ 1.3010
  log(40) ≈ 1.6021
If we round these numbers to integers, we find the order of magnitude of the first is 1; the order of magnitude of the second is 2. Thus a student who spends 6 hours per day for 5 weekdays in class will have hours with an order of magnitude of 1, while a student who spends 7 hours per day for 5 days each week will have hours with an order of magnitude of 2. This question is best answered by considering "order of magnitude" in the simplistic terms of the answer above: the exponent of 10 in scientific notation.
8 0
3 years ago
Surface area of this prism ?
beks73 [17]

Answer:The surface area of this prism is the squares

Step-by-step explanation:the reason being is that the square on top is the surface of the prism

7 0
3 years ago
Read 2 more answers
I'm a survey of 200 employees, 65% agreed that the management of the cafeteria should be changed. If the confidence interval is
suter [353]

Answer:

Step-by-step explanation:

Confidence interval for population proportion is expressed as

Sample proportion ± margin of error

Margin of error = z × √pq/n

Where

z represents the z score corresponding to the confidence level

p = sample proportion. It also means probability of success

q = probability of failure

q = 1 - p

From the information given,

Sample proportion, p = 65/100 = 0.65

q = 1 - 0.65 = 0.35

n = 200

To determine the z score, we subtract the confidence level from 100% to get α

α = 1 - 0.95 = 0.05

α/2 = 0.05/2 = 0.025

This is the area in each tail. Since we want the area in the middle, it becomes

1 - 0.025 = 0.975

The z score corresponding to the area on the z table is 1.96. Thus, the z score for a confidence level of 95% is 1.96

Margin of error = 1.96√(0.65)(0.35)/200

Margin of error = 0.066 = 6.6%

The maximum boundary of the interval is

0.65 + 0.066 = 0.716

5 0
3 years ago
What is the simplest form of the expression below? cot(theta) cos(theta)/sin(theta)*tan(theta) divided by sin(theta)/cos(theta)
jeka57 [31]
Cot(theta) is the one that works best for this problem
5 0
3 years ago
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Convert 60°F to degrees Celsius. If necessary, round your answer to the nearest tenth of a degree.
Luba_88 [7]
Answer: 60°F = 15.5°C
8 0
3 years ago
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