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adelina 88 [10]
3 years ago
5

Evaluate 3 + (a + 4)(8 - b) when a = 5 and b = 6. The value of the expression is

Mathematics
2 answers:
levacccp [35]3 years ago
8 0

Answer:

21

Step-by-step explanation:

you plug in 5 for a and 6 for b and solve.

vovikov84 [41]3 years ago
5 0

Answer:

21

Step-by-step explanation;

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A.
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Solve x2 – 2x – 15 = 0 using the zero product property.
Greeley [361]
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3 years ago
The average number of accidents is 3 per month, what is the probability of 1 accident?
tatuchka [14]
<h2>Hello!</h2>

The answer is: 33.33%

<h2>Why?</h2>

Since we have the average number of accidents that occurs in 1 month, and it's equal to 3, we can calculate the probability of 1 accident occurs by dividing it into the average number of accidents, using the following formula:

Probability=\frac{FavorableOutcomes}{Outcomes}*100

Where,

Favorable outcomes are the occurrence of the event, for this case, it's equal to 1.

Outcomes are the possible occurrence of the event, for this case, it's equal to 3.

So, by substituting we have:

Probability=\frac{1}{3}*100

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So, the probability will be equal to 33.33%

Have a nice day!

7 0
3 years ago
Please answer ASAP. Thank you! :)
laila [671]
You will have to find what x is to get your answer solve each to find the answer
7 0
3 years ago
Once again co sines . Please help me and include explanation with a clear answer
vladimir1956 [14]

Using the law os cosines formula b^2 = a^2 + c^2 - 2*a*c*cos(B)

a = 17, b = 8, c = 16

8^2 = 17^2 + 16^2 - 2*17*16* cos(B)

64 = 289 + 256 - 544 * cos(B)

544*cos(B) = 289 + 256 - 64

544 * cos(B) = 481

cos (B) = 481/544

B = arccos(481/544)

B = 27.8 degrees

8 0
3 years ago
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