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3 years ago

URGENTTT! Can someone please help me with this equation?

Mathematics

2 answers:

Alla [95]3 years ago

6 0

Answer:

98.83

Step-by-step explanation:

We set up the equation $\frac{37}{360} *\pi 17.5^2$ , where 17.5 is the radius, and 37/360 is the ratio of the slice of pie. When we solve that equation we get about 98.83, which will be our answer.

rosijanka [135]3 years ago

4 0

Answer:

98.83

Step-by-step explanation:

Since 37° is 37/360th of the full circle, the area of the size of pie will be 37/360th of the full area. The radius is d / 2 = 17.5 so the area is:

37/360 * πr²

= 37/360 * 3.14 * 17.5²

= 98.83

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A box of oatmeal must contain 16 oz. The machine that fills the oatmeal boxes is set so that, on the average, a box contains 16.

Vadim26 [7]

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29. 15.87%

30. 4.75%

31. 0.62%

32. probability cannot be calculated (0%)

Step-by-step explanation:

We have that the formula of the normal distribution is:

z = (x - m) / sd

where x is the value we are going to evaluate, m is the mean and sd is the standard deviation

x = 16 and m = 16.5

when sd = 0.5

z = (16 - 16.5) /0.5

z = -1

Now when looking in the z table, we have that the corresponding value is 0.1587, that is, the probability is 15.87%

when sd = 0.3

z = (16 - 16.5) /0.3

z = -1.67

Now when looking in the z table, we have that the corresponding value is 0.0475, that is, the probability is 4.75%

when sd = 0.2

z = (16 - 16.5) /0.2

z = -2.5

Now when looking in the z table, we have that the corresponding value is 0.0062, that is, the probability is 0.62%

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4 0

3 years ago

From delta math:<br> Subtract -2x^2 + 3x - 9 from 8x^2 + 10x - 10

Leto [7]

Answer:

$10x^2 + 7x - 1$

Step-by-step explanation:

Step 1: Build the expression in numerical form.

$(8x^2 +10x - 10) - (-2x^2 + 3x - 9)$

Step 2: Distribute the negative sign.

$8x^2 +10x -10 + (-1)(-2x^2) + (-1)(3x) + (-1)(-9)$
$8x^2 + 10x - 10 + 2x^2 + (-3x) + 9$

Step 3: Combine like terms.

$(8x^2 +2x^2) + (10x -3x) + (-10+9)$
$10x^2 +7x -1$

Therefore, the answer is $10x^2 + 7x -1$ .

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2 years ago