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antiseptic1488 [7]
3 years ago
14

If a student answered 77 exam questions correctly out of 100, what fraction

Mathematics
2 answers:
mamaluj [8]3 years ago
7 0

Answer: 23%

Step-by-step explanation: 77 + 23 is 100

bija089 [108]3 years ago
5 0

Answer:

77 out of 100

Step-by-step explanation:

For a fraction, it would look like 77/100,

and for percentage, 77%.

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Answer:

The correct answer is option (C)-0.245 = 2.160(0.205)

Step-by-step explanation:

Solution

Given that:

The slope = - 0.245

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The Significance level= α = (100- 95)% = 0.05

Now,

The freedom of degree = n-2 = 15 -2= 13

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By applying Excel = [TINV (0.05, 13)]

The Margin of error is = t* (standard error)

=2.16 *0.205

= 0.4428

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11111nata11111 [884]
An equation is:
2(x+3)-7=9
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2(x)+2(3) -7=9
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3 years ago
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Solve the inequality -d ≥ 0.5
Mariulka [41]

Answer:

d ≤ -0.5

Step-by-step explanation:

Multiply each term by -1

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