3 years ago

The name of the angle

Mathematics

1 answer:

Verizon [17]3 years ago

8 0

Answer:

acute

Step-by-step explanation:

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You have five seasons of your favorite TV show on DVD. If you randomly select two of them from a shelf, what is the probability

d1i1m1o1n [39]

1/5 since your choosing 1 dvd out of 5

and then assuming you DONT put season one back on the shelf you would then have the probablity of 1/4 because you are again choosing 1 dvd out of now 4

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3 years ago

17(x+5)=0 solve for x

harina [27]

$17(x+5)=0 \\ 17x+85-85=0-85 \\ 17x=-85 \\ \\ \frac{17x}{17} = \frac{-85}{17} \\ \\ x=-5$

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4 years ago

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What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the

marishachu [46]

The sum of all the measurements is just the average times the number.

$\bar x = \frac{1}{n} \sum_{i=1}^n x_i$

$\sum_{i=1}^n x_i = n \bar x$

So if the average of all 92 is 7 the sum of those is $92 \times 7$

The average of the last two is 7.2 so their sum is $2 \times 7.2$

That means the sum of the first 90 is $92 \times 7 - 2 \times 7.2$

so the average of the first 90 is

$\dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556$ cm

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3 years ago

Evaluate 13 + 6/y when y = 6

DIA [1.3K]

Answer: 14

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3 years ago

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Aaron steps on a scale holding four bricks of equal weight. The scale reads 180 pounds. Write an equation relating Aarons weight

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