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Anna71 [15]
3 years ago
6

Anthony is making a collage for his art class by picking shapes randomly. He has five squares, two triangles, two ovals, and fou

r circles. Find P(a square is not chosen first).
PLEASE HELP!
15 POINTS
Mathematics
2 answers:
GalinKa [24]3 years ago
3 0
The answer is c because there is 13 shapes in total and there is 8 shapes that are not squares
Ksju [112]3 years ago
3 0

Answer:

C) P = \frac{8}{13}

Step-by-step explanation:

Square: 5

Triangle: 2

Ovals: 2

Circles: 4

Using formula of probability:

Probability = \frac{Favourable Outcomes}{Total Outcomes} ----- 1

Total Outcomes: 5 + 2 + 2 + 4 = 13

Favourable Outcomes: 2 + 2 + 4 = 8 (Excluding 5 squares)

A sqaure is not chosen first, which means that any shape of the rest of 8 shapes can be chosen

so eq 1 becomes

P = \frac{8}{13}

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When Vlad moved to his new home a few years ago, there was a young oak tree in his backyard. He measured it once a year and foun
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Answer:

The tree was 175 centimeters tall when Vlad moved into the house.

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Step-by-step explanation:

The height of the tree, in centimeters, in t years after Vlad moved into the house is given by an equation in the following format:

H(t) = H(0) + at

In which H(0) is the height of the tree when Vlad moved into the house and a is the yearly increase.

He measured it once a year and found that it grew by 26 centimeters each year.

This means that a = 26

So

H(t) = H(0) + 26t

4.5 years after he moved into the house, the tree was 292 centimeters tall. How tall was the tree when Vlad moved into the house?

This means that when t = 4.5, H(t) = 292. We use this to find H(0).

H(t) = H(0) + 26t

292 = H(0) + 26*4.5

H(0) = 292 - 26*4.5

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The tree was 175 centimeters tall when Vlad moved into the house.

How many years passed from the time Vlad moved in until the tree was 357 centimeters tall?

This is t for which H(t) = 357. So

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The perimeter of a rectangle is 64 units. Can the length x of the rectangle can be 20 units when its width y is 11 units?
vekshin1
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Assuming: P = 64; w = 11 ; l = ?
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