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Ilia_Sergeevich [38]
2 years ago
11

The difference between John and

Mathematics
1 answer:
ddd [48]2 years ago
8 0

Answer:

$46,130,75 or $43,869.25

Step-by-step explanation:

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Determine the point on the hyperbola 3x^2−10y^2=20 closest to the point (0, -7).
stepan [7]

Answer:

Step-by-step explanation:

7 0
3 years ago
X(x) + 12x + 21 = 0 factor
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It is not factorable. Factors of 21 are. 21 and 1
7 and 3. None of those add up to 12
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3 years ago
PLEASE ANSWER ASAP! 25 POINTS!
Bess [88]

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Burgers: 12

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Step-by-step explanation:

6 0
3 years ago
What is the value of the expression |-5x+12| when x=5
MissTica

First, plug in 5 for x:

| -5 * 5 + 12 | = |-25 + 12| = |-13|

Those two lines are absolute value, which measures the distance from the number to 0 on a number line. This distance is always positive.

The distance from -13 to 0 on a number line is 13. The answer is 13.

6 0
3 years ago
Read 2 more answers
A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 402 gram setting. It is
lidiya [134]

Answer:

The value of t test statistics is -2.25.

Step-by-step explanation:

We are given that a manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 402 gram setting. It is believed that the machine is under filling the bags.

A 25 bag sample had a mean of 393 grams with a standard deviation of 20.

<u><em>Let </em></u>\mu<u><em> = mean filling of bags by the machine.</em></u>

So, Null Hypothesis, H_0 : \mu \geq 402 gram     {means that the the machine is not under filling the bags}

Alternate Hypothesis, H_A : \mu < 402 gram     {means that the the machine is under filling the bags}

The test statistics that would be used here <u>One-sample t test statistics</u> as we don't know about the population standard deviation;

                       T.S. =  \frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }  ~ t_n_-_1

where, \bar X = sample mean bag filling = 393 grams

            s = sample standard deviation = 20 grams

            n = sample of bags = 25

So, <u><em>test statistics</em></u>  =  \frac{393-402}{\frac{20}{\sqrt{25} } }  ~ t_2_4

                               =  -2.25

The value of t test statistics is -2.25.

5 0
3 years ago
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