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Masja [62]
3 years ago
15

Sariyah cuts 22 yards of cloth into 8 pieces of equal length the lengths of each pieces falls between two measures

Mathematics
1 answer:
ra1l [238]3 years ago
5 0

Answer:

1 piece of equal length = 2 3/4 yards of cloth

Step-by-step explanation:

Sariyah cuts 22 yards of cloth into 8 pieces of equal length the lengths of each pieces falls between two measures

8 pieces of equal length = 22 yards of cloth

1 piece of equal length = x yards

Cross Multiply

8 pieces × x yards = 22 yards × 1 piece

x yards = 22 yards/8

x yards = 11/4

x yards = 2 3/4 yards

Therefore, 1 piece of equal length = 2 3/4 yards of cloth

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Im having a hard time on this question and I hope you can help.
Masja [62]

The answer would be x ≠ 0

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

First start with the left side, doing distributive property

So... -2(x) = -2x and -2(5) = -10 Therefore on the left side you now have -2x -10

Next do the same on the right side

-2(x) = - 2x and -2(-2) = 4 so you have -2x + 4 + 5 and you add 4 and 5, leaving you with -2x + 9

Now that you have simplified both sides the problem now looks like this:

-2x - 10 = -2x + 9

Because you have equal terms on both sides (-2) those cancel out so you have -10 = 9

Just from looking at this we know that the statement is false because -1o does not equal 9

*The symbol, "≠" means not equal to"

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3 years ago
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Suppose that you are conducting a survey on how many students have blue eyes in each first period classroom at Garfield Middle s
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Answer:

  • <u>The correct statement is the first one: </u><u><em>The number of blue-eyed students in Mr. Garcia's class is 2 standard deviations to the right of the mean</em></u><em> </em>

<em />

Explanation:

To calculate how many<em> standard deviations</em> a particular value in a group is from the mean, you can use the z-score:

      z-score=(x-\mu )/\sigma

Where:

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Substitute in the formula:

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Which means that <em>the number of blue-eyed students in Mr. Garcia's class is 2 standard deviations</em> above the mean.

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Therefore, the correct statement is the first one: <em>The number of blue-eyed students in Mr. Garcia's class is 2 standard deviations to the right of the mean, </em>

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