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Maru [420]
3 years ago
7

A square has a side length of 5x + 3. Which expression represents theperimeter of the square

Mathematics
2 answers:
Damm [24]3 years ago
7 0

Answer:

20x + 12

Step-by-step explanation:

4vir4ik [10]3 years ago
3 0

Answer:

um

Step-by-step explanation:

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The claim is that for the population of adult​ males, the mean platelet count is μ>217. The sample size is n=50 and the test
Deffense [45]

Step-by-step explanation:

First, find the degrees of freedom:

df = n − 1

df = 49

To find the p-value manually, use a t-score table.  Find the row corresponding to 49 degrees of freedom.  Then find the α column that corresponds to a t-score of 1.421.  You'll find it's between α = 0.10 (t = 1.299) and α = 0.05 (t = 1.677).  Interpolating, we get an approximate p-value of 0.084.  For a more accurate answer, you'll need to use a calculator.

5 0
3 years ago
(- 1/2 + 3/4 ) 1/5
marta [7]
I hope this helps you



(-2/4+3/4).1/5


1/4.1/5


1/20
4 0
3 years ago
The probability that a student chosen at random from your class is a psychology major is .18. What is the probability that a stu
devlian [24]

Answer:  0.82

Step-by-step explanation:

We know that :

For any event A , the probability of not getting A is given by :-

P(not A)= 1- P(A)

Given : The probability that a student chosen at random from your class is a psychology major is P( psychology major) =0.18.

Then, the probability that a student chosen at random from your class is not a psychology major will be :

P(not psychology major)= 1 - P(psychology major)

= 1-0.18=0.82

Hence, the probability that a student chosen at random from your class is not a psychology major= 0.82

5 0
3 years ago
Find the HCF of 126 and 420
melamori03 [73]

Answer:

42

Step-by-step explanation:

Find the prime factorization of 126

126 = 2 × 3 × 3 × 7

Find the prime factorization of 420

420 = 2 × 2 × 3 × 5 × 7

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 3 × 7

GCF = 42

3 0
3 years ago
A jet flies at an altitude of 52800 feet what is the height of the jet in miles
marysya [2.9K]
1 mile=5280 feet how about 52800
1 x 52800 divided by 5280=10 miles
8 0
3 years ago
Read 2 more answers
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