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just olya [345]
3 years ago
9

sumaya is reading a book with 288 pages she has already read 90 pages she plans to read 20 more pages each day until she finshes

the book determine how many days sumaya will need to finsh the book in your answer count part of a day as a full day show that your work is reasonable
Mathematics
1 answer:
earnstyle [38]3 years ago
7 0

Answer:


Step-by-step explanation:

you could create an equation which would be 288= 90 + 20(x)

x = the amount of days needed

answer would be 10 days

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What is the area of the shaded part? ​
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Answer:

Step-by-step explanation:

(8x-3)^2-x^2

64x^2-48x+9-x^2

63x^2-48x+9

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Mary pumped 7 gallons of water out of her pool each minute for 63 minutes. What was the total change in the amount of water in t
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The amount of water is 30 gallons a minute

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2 years ago
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A bag has 4 red 3 white 2 blue and 1 green marble in it. Use this information to answer question 9-11.
love history [14]

#'s 9-14

Base info:   40% are red, 30% are white, 20% are blue, and 10% are green

9) 40% chance to get red, 10% chance to get green. 50% chance to get one of either.

10) getting red: 40%

Getting blue: 20%

11) 80%  (100% - 20% = 80%)

1/8 = 12.5%

12) 12.5% chance

13) 25% chance

14) 12.5 x 5 = 62.5  

62.5% chance

4 0
2 years ago
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Wendy is standing 60 feet away from a tree. Her eyes are 5 feet above the ground. She sees a bird hovering above a tree. The ang
Gennadij [26K]

The bird is 17 feet above the tree.

<u>Explanation:</u>

We need to think of this in terms of right triangles.  If Wendy is 60 feet from a tree, the base of the right triangle is 60 feet.  The height of the tree is the height of the right triangle.  The angle of elevation is the one from the ground at her feet to the top of the tree and then to the bird.  Let's start with the top of the tree first.

She's 60 feet away, we have the angle of elevation as 25 degrees, and we are looking for the height of the tree.  In regards to the angle, the base of 60 is adjacent, and the height of the tree is opposite.  The tangent ratio is height / base.

Let x be the height of the tree.

So,

tan (25) = \frac{x}{60}

60 tan(25) = x\\\\x = 27.9 feet

x is approximately 28 feet

Since, Wendy's eyes are 5 feet above the ground, the height of the tree becomes

28 + 5 = 33 feet

<u>For bird</u>

Let y be the height of the bird in the air

tan(37) = \frac{y}{60} \\\\60 tan(37) = y\\\\y = 45.2 feet

y is approximately 45 feet

Since, Wendy's eyes are 5 feet above the ground, the height of the tree becomes

45 + 5 = 50 feet

To know how far above the tree that bird is

50 - 33 = 17 feet

Therefore, the bird is 17 feet above the tree.

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3 years ago
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X= 4 and Y =-5 im not really 100% sure but its all i know

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