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Inessa05 [86]
2 years ago
15

C. The product of two integers is +45. If one of is -9. What is theother?​

Mathematics
2 answers:
Alex787 [66]2 years ago
6 0

Answer:

5 x -9 = 45

Step-by-step explanation:

mixer [17]2 years ago
3 0

Answer:

Other integer = -5

Step-by-step explanation:

Let the integers be x and y

Product of x and y = 45.

  x \times y = 45

Given one of the integer = -9 . Let y = -9.

Therefore,  

               x \times - 9  = 45\\x = \frac{45}{-9} = -\frac{45}{9} = - 5

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Consider the hypothesis test below.
Pavel [41]

Answer:

Z_{H0} =1.79

p-value: 0.0367

Decision: Reject H₀

Step-by-step explanation:

Hello!

Hypothesis to test:

H₀:ρ₁-ρ₂=0

H₁:ρ₁-ρ₂>0

The statistic to use to test the difference between two population proportions is the approximation of Z

Z=<u>     (^ρ₁-^ρ₂)-(ρ₁-ρ₂)     </u>   ≈N(0;1)

   √ (<u>^ρ₁(1-^ρ₁))/n₁)+(^ρ₂(1-^ρ₂)/n₂))</u>

                   

Z=<u>                    (0.28-0.15)-0                    </u>= 1.79

   √ (<u>0.28(1-0.28)/200)+(0.15(1-0.15)/300)</u>

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Remember: The p-value is defined as the probability corresponding to the calculated statistic if possible under the null hypothesis (i.e. the probability of obtaining a value as extreme as the value of the statistic under the null hypothesis).

P(Z>1.79)= 0.0367

Conclusion:

Comparing the p-value against the significance level, you can decide to reject the null hypothesis.

I hope you have a SUPER day!

8 0
3 years ago
Round to the nearest whole number 486.3÷8.1
PolarNik [594]

Answer: 60.


Step-by-step explanation: After you divide you get 60.037037. And since were rounding its 60.


4 0
3 years ago
Find y when x=12 if y=15 when x=3
larisa [96]
The answer would be y=60.

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4 0
2 years ago
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Serjik [45]

Answer:

(-2, -5)

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(0, 1)

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5 0
2 years ago
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base = 12 cm


3 0
3 years ago
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