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alexira [117]
3 years ago
6

Ratio for 669 and 221

Mathematics
2 answers:
svetoff [14.1K]3 years ago
8 0

Answer:

Oi it's 3.03

Step-by-step explanation:

cruel reality

p.s sorry or lateness but people of the future may now know

alexandr402 [8]3 years ago
5 0

Hello from MrBillDoesMath!

Answer:

669/221

Discussion:

Ratio of 669 to 221 =  669/221.

Now,  669 = 3 * 223 and 221  = 13 * 17. Note that all numbers involved in the factorizations are distinct primes so nothing cancels out in their ratio. That is,

669/221 can not be reduced further.


Thank you,

MrB

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Step-by-step explanation:

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Korolek [52]

Answer:

There is no sufficient evidence to support the claim.

Step-by-step explanation:

Given the data:

7.91, 7.85, 6.82, 8.01, 7.46, 6.95, 7.05, 7.35, 7.25, 7.42

Sample size, n = 10

The sample mean, xbar = ΣX/ n = 74.07 / 10 = 7.407

The sample standard deviation, s = 0.41158 ( from calculator)

The hypothesis :

H0 : μ = 7

H0 : μ ≠ 7

The test statistic :

(xbar - μ) ÷ (s/√(n))

(7.047 - 7) ÷ (0.41158/√(10))

0.047 / 0.1301530

Test statistic = 0.361

Testing the hypothesis at α = 0.05

The Pvalue ;

df = n - 1 ; 10 - 1 = 9

Two tailed test

Pvalue(0.361, 9) = 0.7263

Since the Pvalue > α ; we fail to reject the Null and conclude that there isn't sufficient evidence to support the claim.

4 0
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Find the <br> x-intercept and <br> y-intercept of the line.
vova2212 [387]
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For the x intercept, we need to make the value of y equal to 0, and solve for x.

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Multiply both sides by -1.

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The x intercept is -7.


Now for the y intercept.

-(0) + 7y = 7

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Divide both sides by 1.

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3 years ago
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Oksana_A [137]

Answer:

y = -3/5x +2

Step-by-step explanation:

y = mx + b

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y = -3/5x + 2

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3 years ago
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