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steposvetlana [31]
3 years ago
11

How to simplify? 2a - 4b - 16 + (3a + 7 ) - 8

Mathematics
1 answer:
sp2606 [1]3 years ago
4 0
2a + 3a -4b -16+7-8   group terms
= 5a -4b -17
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Joseph has 150 animals on his farm. ⅕ of the animals are chickens, ⅕ of the animals are cows, and the rest of the animals are go
ASHA 777 [7]

Answer:

90 goats

Step-by-step explanation:

Number of chickens in  farm = (1/5) of 150

                                               = \frac{1}{5}*150

                                               = 1 * 30

                                               = 30

Number of cows in  farm = \frac{1}{5}*150

                                         = 1 * 30

                                         = 30

Number of goats in  farm  = 150 - (30 + 30)

                                           = 150 - 60

                                           =  90

4 0
3 years ago
Read 2 more answers
John can buy a 24 oz bottle of ketchup for $2.19 or a 36 oz bottle for $3.79. Which is the better buy
soldier1979 [14.2K]

Answer:

24 oz bottle of ketchup for $2.19 is the better buy

Step-by-step explanation:

24/2.19=10.96

36/3.79=9.50

10.96>9.50

8 0
3 years ago
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Area of Square = 45 cm?<br> What is the perimeter?
9966 [12]
It’s 9 centimeters long
4 0
3 years ago
There are 16 books on a shelf. 7 of these books are new. (a) What is the ratio of new books to used books? (b) What is the ratio
777dan777 [17]
The answers are
a. 7:9
b. 16:7
4 0
3 years ago
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The coordinates of the vertices of quadrilateral ABCD are (0,-4) (-4,3) (3,4) (6,-1)
aleksklad [387]

Based on the given coordinates of the quadrilateral ABCD, the slopes of the lines given at:

  • Slope of AB = -7/4
  • Slope of BC = 1/7
  • Slope of CD = -5/3
  • Slope of AD = 1/2

<h3>What are the slopes of the line?</h3>

The slope of AB is:

= (3 - (-4)) / (-4 - 0)

= -7/4

The slope of BC:

= (4 - 3) / (3 - (-4))

= 1/7

The slope of CD:

= (-1 - 4) / (6 - 3)

= -5/3

The slope of AD:

= (-1 - (-4)) / (6 - 0)

= 1/2

The rest of the question is:

The slope of AB ¯ ¯ ¯ ¯ ¯ is , the slope of BC ¯ ¯ ¯ ¯ ¯ is , the slope of CD ¯ ¯ ¯ ¯ ¯ is , and the slope of AD ¯ ¯ ¯ ¯ ¯.

Find out more on the slope of line at brainly.com/question/3493733.

#SPJ1

3 0
2 years ago
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