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melisa1 [442]
3 years ago
8

Plzzzzz help me brainlest

Mathematics
1 answer:
velikii [3]3 years ago
4 0
Area ≈ 153.94 if the radius is 7
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8. Write the equation of a horizontal line that passes through the point (-2, 2).
aleksandr82 [10.1K]

Answer:

its y=2

Step-by-step explanation:

6 0
3 years ago
The torque required to remove bolts in a steel plate is rated as very high, high, average, and low, and these occur about 30%, 4
Diano4ka-milaya [45]

Answer:

0.004

Step-by-step explanation:

If two events A, B with probabilities P(A), P(B) are independent, then the probability of the two events ocurring at the same time A∩B is P(A)P(B).

In this case we have

P(torque=very high) = 0.3

P(torque=high) = 0.4

P(torque=average) = 0.2

P(torque=low) = 0.01

Using the product rule, we see there are

\frac{25!}{7!8!6!4!}=4.4172*10^{12}

ways of partitioning 25 bolts in groups of 7,8,6 and 4 bolts.

Each one of those partitions has a probability of

(P(torque=very high))^7*(P(torque=high))^8*(P(torque=average))^6*(P(torque=low))^4= (0.3^7)*(0.4^8)*(0.2^6)*(0.1^4)=9.1729*10^{-16}

So, the probability of rating 7 very high, 8 high, 6 average, and 4 low is

4.4172*10^{12}*9.1729*10^{-16}=0.004

5 0
4 years ago
By what number should I multiply 1 1/4 to obtain 3/4
aleksklad [387]
Multiply by 3/5 (three fifths)
4 0
3 years ago
CAN SOMEBODY HELP WITH THIS QUESTION ASAP​
tia_tia [17]

Answer:

The rectangles are not similar

Step-by-step explanation:

In order to check whether they are similar, we need to take the ratio of their similar sides and ensure they are equal to a constant k.

Hence;

AB/PL = AD/LM = k

32/26 = 18/12 = k

16/13 = 9/6 = k

Since the scale factor is not the same, hence the rectangles are not the same.

6 0
3 years ago
Please help! Simplify the complex fractions.​
Romashka-Z-Leto [24]

Hey User___________

Here is your Answer...!!!!

______________________

8 0
3 years ago
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