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Fantom [35]
4 years ago
4

What is the probability of on-time arrival in class given that the subject is biology? A. 90.1% B. 88.5% C. 84.7% D. 82.4% E. in

sufficient data
Mathematics
2 answers:
Shtirlitz [24]4 years ago
5 0

Answer:

Step-by-step explanation:

i think its C or D. this is a tricky one.

vredina [299]4 years ago
3 0

Answer:

E. insufficient data

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Work out the size of angle EDF, giving a reason for your answer.
Ludmilka [50]

Answer:

<edf=23(angles standing on common arc fe)

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3 years ago
What is the equation of a line perpendicular to the line 7x+4y=15+2x and passes through the point (0.5,0.5)?
Rzqust [24]
4y=-5x+15
y=-5/4x+15/4
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y-1/2=4/5x-2/5
y-5/10=4/5x-4/10
y=4/5x+1/10
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3 years ago
7. What is the approximate distance between points (-2,-1) (-5,-4)
aleksley [76]

Answer:

Step-by-step explanation:

D=√((-5+2)²+(-4+1)²)=√(9+9)=3√2≈4.24

8 0
3 years ago
Lamar works as a tutor for $12 an hour and as a waiter for $14 an hour. This month, he worked a combined total of 100 hours at h
alexdok [17]

Answer:

-2t + 1400

Step-by-step explanation:

If t represents the number of hours Lamar worked as a tutor, the number of hours he worked as a waiter can be represented by 100 - t.

Create an equation to represent the situation:

12t + 14(100 - t) = total earned

Simplify:

12t + 1400 - 14t = total earned

-2t + 1400 = total earned

So, the expression for the amount he earned is -2t + 1400

6 0
3 years ago
Divide 72 in the ratio 3:4:5​
ziro4ka [17]

Answer:

72

Total number of parts = 3 + 4 + 5. = 12 parts. Each part = 72 ÷ 12.

3 0
2 years ago
Read 2 more answers
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