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Lilit [14]
3 years ago
8

How to get the answer

Mathematics
1 answer:
Leokris [45]3 years ago
6 0
There's not much to go by here.  Do the instructions state that this figure is a parallelogram?  If and only if YES, then 3y = 123 and y = 41 degrees.  The angle opposite (2x-5) is not specified, so without more info we cannot find x.

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To become a member of an ice skating rink, you have to pay a $30 membership fee.The cost of admission to the rink is $5 for memb
Alchen [17]
30 = 5(m) + 7(n)

5(a) + 30 = 7(a)

(a) is the number of visits!

15 = (a) 

5(15) = 75 + 30 = 7(15) = $105
8 0
3 years ago
A test for syphilis gives a positive result with probability 0.98 when tested on a person who has the disease. The test gives a
mestny [16]

Answer:

The probability that an individual has the disease and has a positive test result is:

9.8%.

Step-by-step explanation:

Probability of a true positive result for a test of syphilis = 0.98 or 98%

Probability of a false negative result for a test of syphilis = 0.02 or 2% (100 - 98)

Probability of a true negative result for a test of syphilis = 0.9 or 90%

Probability of a false negative result for a test of syphilis = 0.1 or 10% (100 - 90)

Therefore, the probability that an individual has the disease and has a positive test result = 0.98 * 0.1 = 0.098 = 9.8%

3 0
3 years ago
Please help asap or give explanation for brainliest
Mama L [17]

Answer:

Hi, I believe 1-0.25c is the correct answer.

Step-by-step explanation:

This is because 25% off would mean taking 25 off of a whole amount, which in this case would be one.

6 0
3 years ago
Read 2 more answers
Rewrite the equation in exponential form, and show how you got there:
Brut [27]

Answer: 13^0=1

Step-by-step explanation:

Logarithms are in the format log_{b} a=c while exponential form is in the format b^c=a

So we can transfer a,b, and c from the log form to the exponential form

log_{13} 1=0\\\\13^0=1

6 0
3 years ago
Find the cotangent of angle B. <br> 1. 12/5<br> 2. 12/13<br> 3. 13/12<br> 4. 5/12
labwork [276]
Cot = Cos/Sin

Cos = 12/13
Sin = 5/13

Therefore, 12/3 divided by 5/13 equals 12/5

Answer is 1.

3 0
4 years ago
Read 2 more answers
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