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3 years ago

Solve the equation thanks

Mathematics

1 answer:

sashaice [31]3 years ago

4 0

X=-2y+3
Is your answer hope this helps

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Are the grades shown in the math class below normally distributed? Explain your answer.

IgorLugansk [536]

Since the histogram is not symmetric, the grades shown in the math class below are not normally distributed.

<h3>When does a histogram represent a normal distribution?</h3>

A histogram represents a normal distribution if it symmetric.

In this problem, we have that:

57% of the grades are on the left tail.

25% of the grades are on the center.

18% are on the right tail.

Since the percentages at the tails are different, the histogram is not symmetric, and the grades shown in the math class below are not normally distributed.

More can be learned about the normal distribution at brainly.com/question/24537145

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2 years ago

PLEASE HELP!!!!! Find the volume of a cone that has a diameter 30ft and a height of 12ft.

Leviafan [203]

Answer:

the answer is 2827.4

Step-by-step explanation:

$\pi \: {r}^{2} \frac{h}{3}$

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3 years ago

3 - 6k + 9g - 11 + 7g (Distribute it with like terms and stuff)

AURORKA [14]

Answer:

-6k+16g-8

Step-by-step explanation:

simplify

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3 years ago

2.The mean area of several thousand apartments in a new development is advertised to be 1,100 square feet. A consumer advocate h

KiRa [710]

Answer:

Null Hypothesis, $H_0$ : $\mu$ = 1,100 square feet

Alternate Hypothesis, $H_A$ : $\mu$ < 1,100 square feet

Step-by-step explanation:

We are given that the mean area of several thousand apartments in a new development is advertised to be 1,100 square feet.

A consumer advocate has received numerous complaints that the apartments are smaller than advertised.

Let $\mu$ = mean area of several apartments.

So, Null Hypothesis, $H_0$ : $\mu$ = 1,100 square feet

Alternate Hypothesis, $H_A$ : $\mu$ < 1,100 square feet

Here, null hypothesis states that the mean area of apartments are same as advertised.

On the other hand, alternate hypothesis states that the mean area of apartments are smaller than advertised.

So, this would be the appropriate null and the alternative hypothesis to test this claim.

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3 years ago

The cost of coffee is determined by the type of coffee beans that are mixed together. The cost of a local mix of Arabica and Rob

Yuki888 [10]

250 pounds of Robusta beans.

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3 years ago

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