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PIT_PIT [208]
2 years ago
9

Solve. 4x =16I'm assuming solve for X but ^ that is all the question says​

Mathematics
2 answers:
egoroff_w [7]2 years ago
7 0

Answer:

x = 4

Step-by-step explanation:

4x = 16

divide both sides by 4:

⇒ \frac{4x}{4} = \frac{16}{4}

⇒ x = 4

laila [671]2 years ago
5 0

Answer:

<h2>A. x = 4</h2>

Step-by-step explanation:

4x = 16

x = 16 / 4

x = 4

Hope that helps!

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An arithmetic sequence has this recursive formula: (a^1 =8, a^n= a^n-1 -6
eduard

Answer:

a_n = 8 + (n - 1) (-6)

Step-by-step explanation:

Given

a_1 = 8

Recursive: a_{n} = a_{n-1} - 6

Required

Determine the formula

Substitute 2 for n to determine a_2

a_{2} = a_{2-1} - 6

a_{2} = a_{1} - 6

Substitute a_1 = 8

a_2 = 8 - 6

a_2 = 2

Next is to determine the common difference, d;

d = a_2 - a_1

d = 2 - 8

d = -6

The nth term of an arithmetic sequence is calculated as

a_n = a_1 + (n - 1)d

Substitute a_1 = 8 and d = -6

a_n = a_1 + (n - 1)d

a_n = 8 + (n - 1) (-6)

Hence, the nth term of the sequence can be calculated usinga_n = 8 + (n - 1) (-6)

3 0
3 years ago
This isosceles triangle has two sides of equal length that are longer than the length a of the base b the perimeter of the trian
agasfer [191]
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3 years ago
By law, an industrial plant can discharge no more than 500 gallons of waste water per hour, on the average, into a neighboring l
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Answer:

P = 0.0438 ; We reject the Null and conclude that there is significant evidence that the discharge limit per gallon of waste has been exceeded.

Due to the small sample size.

Step-by-step explanation:

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= 500 / 200

= 2.5

Pvalue from Test score ; df = 4 - 1 = 3 ; using calculator :

Pvalue = 0.0438

At α = 0.05

Pvalue < α ; We reject the Null and conclude that there is significant evidence that the discharge limit per gallon of waste has been exceeded.

The test above has a very small sample size, and for a distribution to be approximately Normal, the sample size must be sufficiently large enough according to the Central limit theorem.

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3 0
2 years ago
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