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Vilka [71]
3 years ago
5

Hey guys please help I need ASAP! Due soon and I don’t get it. Work will need to be shown I mark brainliest and also 30 Points.

Mathematics
2 answers:
rewona [7]3 years ago
8 0

Answer:

height^2+base^2=hypotenuse^2

this is the formula

if you still can't understand then ask me

devlian [24]3 years ago
8 0

Answer:

height^2+base^2=hypotenuse^2

I hope it helps

have a nice day

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Answer:

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Step-by-step explanation:

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Dawn has 5/6 of a yard of lace. She uses 4/5 of it for a dress and the rest of it for a jewel box. How much does she use for the
never [62]
5/6-4/5=1/30
She uses 1/30 yard of lace for the jewel box.
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3 out of 5 picks are orange. If 12 picks are orange, has many picks are there in all.
hodyreva [135]
If 3 out of 5 are oranges, this means the ratio is 3 oranges for every 5 total.

If there are 12 oranges, this is 4 groups of 3 oranges.  You will need 4 groups of 5 total to make it equivalent.

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3 years ago
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There are 10 pens in a box. There are x red pens in the box. All the other pens are blue. Jack takes at random two pens from the
expeople1 [14]

The probability that one of each color is selected is \frac{10x - x^2}{45}

<h3>Probabilities</h3>

The probability of an event is the chances of the said event

The given parameters are:

  • Total  = 10
  • Red = x
  • Blue = 10 - x

<h3>Calculating the required probability</h3>

The probability that one of each color is selected is calculated as follows:

P = P(Blue) \times P(Red) + P(Red) \times P(Blue)

So, we have:

P = \frac{10 - x}{10} \times \frac{x}{9} + \frac{x}{10} \times \frac{10 - x}{9}

This gives

P = \frac{x(10 - x)}{90} +\frac{x(10 - x)}{90}

Take LCM

P = \frac{2x(10 - x)}{90}

Simplify the above expression

P = \frac{x(10 - x)}{45}

Expand

P = \frac{10x - x^2}{45}

Hence, the probability that one of each color is selected is P = \frac{10x - x^2}{45}

Read more about probabilities at:

brainly.com/question/7965468

4 0
2 years ago
Please help me look at the attached picture
Lady bird [3.3K]

Answer:

Q(-10) = 299

Step-by-step explanation:

Q(x) = 3x^{2} - 1Q(-10) = 3(-10)^{2} - 1

Q(-10) = 3(100) - 1  (-10 to the second power is 100 (negative times a negative equals a positive)

Q(-10) = 300 - 1  3 times 100 equal 300

Q(-10) = 299

5 0
3 years ago
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