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Minchanka [31]
3 years ago
5

Finding two numbers

Mathematics
1 answer:
kramer3 years ago
4 0

Answer:

the larger number is 39 and the smaller is 35

Step-by-step explanation:

let the larger number be x and the smaller number be y

the larger number is 4 more than the smaller : x = y+ 4

the sum of the numbers is 74 : x+y = 74

knowing that x= y+4; (y+4)+y = 74

y+4+y=74

collect like terms : y+y=74-4

2y=70

y=70/2 ; y=35

substitute y=35 into (x=y+4)

X=35+4, x=39

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K+5/3=-7/4 (those are fractions) also can you show your work?
iris [78.8K]

Answer:

-3 5/12=k

Step-by-step explanation:

K+5/3= -7/4

subtract 5/3 from both sides

K= -7/4-5/3

lcm of 4 and 3 is 12

so

K= -21/12-20/12

K= -41/12

K= -3 5/12

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Answer:

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Step-by-step explanation:

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D. is the answer

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To test μ for an x distribution that is mound-shaped using sample size n ≥ 30, how do you decide whether to use the normal or st
Luden [163]
Answer:
Use the normal distribution if the population standard deviation is known.
Use the student's t distribution when the population standard deviation is unknown.

Explanation:
A mound-shaped distribution refers to the normal distribution.
A good sample size for testing against the normal distribution should be
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Answer:

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Step-by-step explanation:

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