3 years ago

OK I KNOW YALL ARE TIERD OF ME ASKING QUESTIONS BUT IM DUMB

Mathematics

1 answer:

julia-pushkina [17]3 years ago

5 0

Answer:

Step-by-step explanation:

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multiply an odd number by an odd gives an even number. Is it certain, likely, even, unlikely or impossible.

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It Is Very Impossible

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3 years ago

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Which of the following situations best describes the situation modeled by P = 2(1,000 feet) + 2(875 feet)? Select all that apply

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I think the answer is B

Step-by-step explanation:

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3 years ago

Number 7 please! I need help badly

melamori03 [73]

Answer:

A computer costs $225 and a printer $150.

Step-by-step explanation:

Let c be the cost of a computer and p the cost of a printer, then:

3c + p = 825

4c + 2p = 1200

Multiply the first equation by -2:

-6c - 2p = -1650

Add this to the second equation:

-2c = -450

c = 225.

Now substitute c = 225 in the first equation:

3*225 + p = 825

p = 825 - 675 = 150.

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3 years ago

Given the equation F=9/5C +32 where C is the temperature in degrees Celsius and F is the corresponding temperature in degrees Fa

pentagon [3]

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Step-by-step explanation:

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3 years ago

Measuring the height of a tree is usually more difficult than measuring the diameter of the tree. Therefore, many researchers us

LenKa [72]

Answer:

(B) (0.396, 1.712)

Step-by-step explanation:

From the information given;

Confidence Interval = 0.95

Significance Level $= 1 - 0.95 = 0.05$

The confidence interval for regression coefficient beta (whereby in this case it is the coefficient of the diameter) is expressed by:

= $( Beta ^- \ t_{n-2}, \alpha/2 ( S.E \ of \ \^ \ \ ), Beta^+ \ t_{n-2}, \alpha/2 ( S.E \ of \ \^ \ \ ))$

From the regression coefficient, the estimated value of beta^ = 1.054

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$t_{229,0.025} = 2.0452\\\\ = \mathbf{(0.396, 1.712)}$

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3 years ago