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Ilya [14]
3 years ago
11

Which BEST describes a ray?

Mathematics
2 answers:
Elden [556K]3 years ago
7 0

Answer:

Endpoint at one end and an arrow at the other end.

Step-by-step explanation:

malfutka [58]3 years ago
7 0

Answer:

end point at o e end and arrow at the other

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8. At the beginning of the semester, a professor tells students that if they study for the tests, then there is a 55% chance the
Bezzdna [24]

Answer:

.8

Step-by-step explanation:

S= studies for

B= score of b or higher

we want P(S|B)

Using Bayes' theorem we can solve for the probability

S|B=\frac{B|S*S}{B|S*S+B|S'*S'}=\frac{.55*.6}{.55*.6+.2*.4}=0.80487804878

3 0
3 years ago
Can someone solve these math problems pls
NNADVOKAT [17]

Answer:

A yes

B no

C yes

D yes

Step-by-step explanation:

sorry I don't know how to do the other one

5 0
3 years ago
Emma has $89 in her bank account. she uses 30% of her money to pay a bill. How much did she spend?
Alexxandr [17]
The answer is c 10% of 89 is 8.9 so multiply by 3 you get 26.70

7 0
3 years ago
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A road sign gives drivers information about traffic on busy highways. One sign shows 15 miles in 20 minutes. What is this speed
SIZIF [17.4K]

Answer: Speed in miles per hour is 45 mph.

Step-by-step explanation:

Since we have given that

Distance covered = 15 miles

Time taken to cover the above mentioned distance = 20 minutes

We need to calculate the speed in miles per hour ,

As we know the formula for " Speed " i.e.

Speed=\frac{Distance}{Time}

Now, we will put the value of distance and time in the above formula:

Speed=\frac{15}{20}\times 60\\\\Speed=15\times 3\\\\Speed=45\ mph

Hence, Speed in miles per hour is 45 mph.

8 0
3 years ago
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PLEASE HELP ASAP! need answer now!
BARSIC [14]

Answer:

i have the same question

Step-by-step explanation:

7 0
2 years ago
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