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djverab [1.8K]
3 years ago
10

Find the value of the variable.

Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

x=8

base side of isosceles triangle

y=√{8²+8²}=8√2

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Would the answer be 0 ?
BartSMP [9]

Answer:

4

Step-by-step explanation:

For it to be continuous at x=0 we need the left and right limit at x=0 to be equal. We also need those limits to equal what happens at x=0.

A famous limit is:

As x goes to zero, sin(x)/x goes to 1.

So the left limit at x=0 would be 4(1)=4.

The right limit at x=0 would be a-2(0)=a.

So a=4.

So f(0)=4-2(0)=4 also which is what both limits would equal for x=0 if a=4.

8 0
3 years ago
The amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.0 minutes and
strojnjashka [21]

Answer:

P ( 5 < X < 10 ) = 1

Step-by-step explanation:

Given:-

- Sample size n = 49

- The sample mean u = 8.0 mins

- The sample standard deviation s = 1.3 mins

Find:-

Find the probability that the average time waiting in line for these customers is between 5 and 10 minutes.

Solution:-

- We will assume that the random variable follows a normal distribution with, then its given that the sample also exhibits normality. The population distribution can be expressed as:

                                   X ~ N ( u , s /√n )

Where

                            s /√n = 1.3 / √49 = 0.2143

- The required probability is P ( 5 < X < 10 ) minutes. The standardized values are:

                        P ( 5 < X < 10 ) = P (    (5 - 8) / 0.2143 <  Z  <  (10-8) / 0.2143   )

                                                 = P ( -14.93 < Z < 8.4 )

- Using standard Z-table we have:

                        P ( 5 < X < 10 ) = P ( -14.93 < Z < 8.4 ) = 1        

7 0
3 years ago
3/2=5d-1/2<br><br> Solve for d.<br><br> Thank you :)
Anika [276]
<span>3/2=5d-1/2
5d = 3/2 +1/2
5d = 2
d = 2/5</span>
6 0
3 years ago
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A choir is performing in front of an audience. A microphone is placed in front of the choir to capture sound. Which polar equati
Sonbull [250]

Answer:

not b or c

Step-by-step explanation:

5 0
3 years ago
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It is determined that 1/6 of the students in 6th grade choose Art as their elective. If there are 384 students in 6th grade, how
snow_lady [41]
320 students. Because you have to divide 384 by 6 which will give you 64 which is the number for the students that chose art and then subtract that from the total students which are 384 and you'll get 320 as your answer for the student that didn't pick art.
8 0
3 years ago
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