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AlladinOne [14]

3 years ago

7

James's garden has a length of 12 1/4 feet and a width of 9 2/3 feet. What length of fencing will he need to surround his garden

?

1 answer:

Wittaler [7]3 years ago

5 0

Answer:

118 5/12

Step-by-step explanation:

9 2/3 × 12 1/4 = 2 + 9·3/3 ×1 + 12·4/4 = 29/3 × 49/4 = 29·49/3·4 = 1421/12 5 + 118·12/12= 118 5/12

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PLS HELP ME NOW ITS PYTHAGOREAN THEOREM

rusak2 [61]

Answer:

a =2.2

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2+b^2 = c^2

where a and b are the legs and c is the hypotenuse

a^2+2^2 = 3^2

a^2 +4 = 9

a^2 = 9-4

a^2 = 5

Taking the square root of each side

sqrt(a^2) = sqrt(5)

a = sqrt(5)

a=2.236067977

To the nearest tenth

a =2.2

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3 years ago

13 Use the replacement set {4, 6, 12} to find which values will make the equation 2x + 4 = 16 Strue. A None of the values are a

storchak [24]

I think it has to be A

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3 years ago

Which number completes the square?<br> 2x^2 - 12x +

Fofino [41]

67-x-20 hope this helped!!

7 0

2 years ago

Write an equation of the line that passes through the points (1, -6) and<br> (5, -6).

iren2701 [21]

Answer:

Step-by-step explanation:

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y= -6

7 0

2 years ago

The number of nails of a given length is normally distributed with a mean length of 5 in and a standard deviation of 0.03 find t

umka2103 [35]

Answer:

19 nails

Step-by-step explanation:

Let's first determine the z-score by using the formula:

$z=\frac{x-\mu}{\sigma}$

Where x=5.03, μ=5, σ=0.03 and so:

$z=\frac{5.03-5}{0.03}=1$

We can now use a z-score table to determine that 1.00 is synonymous with 0.8413 meaning 84.13%. This means that 84.13% of the nails are less than or equal to 5.03 inches long. Therefore, since we know 100% = 1 in decimals we can determine that the length greater than 5.03 inches is 1-0.8413=0.1587. This means that 15.87% of the 120 nails are greater than 5.03 inches long.

Finally, we can determine how many nails are greater than 5.03 by determining what is 15.87% of 120 which is:

$120 \times 0.1587 \approx 19$

And so 19 out of the 120 nails are greater than 5.03 inches long.

5 0

3 years ago