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3 years ago

How do I simplify 7x+4-3x+3

Mathematics

1 answer:

yanalaym [24]3 years ago

7 0

Answer:

4x + 7

Step-by-step explanation:

7x+4-3x+3

First put the like terms together

7x+4-3x+3 = (7x - 3x) + (4 + 3)

= 4x + 7

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The mean of seven positive integers is 16. When the smallest of these seven integers is removed, the sum of the remaining six in

VashaNatasha [74]

Answer: The value of the integer that was removed = 4

Step-by-step explanation:

Sum of n values= Mean x n

Given: n = 7 , Mean = 16

Let x= integer removed.

Sum of remaining 6 integers = 6

$\Rightarrow\ x+108 = 16\times7\\\\\Rihghtarrow\ x+108= 112\\\\\Rightarrow\ x=112-108\\\\\Rightarrow\ x= 4$

Hence, the value of the integer that was removed = 4

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3 years ago

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$6.75 would be your answer.

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3 years ago

The area of a rectangular swimming pool is 360 square feet. If the length of the swimming pool is 9 feet more than its width, fi

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Answer:

l = 24ft

Step-by-step explanation:

A = lw

360 = (x + 9)(x)

360 = x^2 + 9x

0 = x^2 + 9x - 360

0 = (x + 24)(x - 15)

x ≠ -24 (length cannot be negative)

x = 15

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7 0

3 years ago

What is the length of the hypotenuse of the triangle? A 7 cm B 3 cm

photoshop1234 [79]

Answer

The answer would be 58

Step-by-step explanation:

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add that you get 58

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3 years ago

The ratio of fiction to nonfiction books in a classroom library is 2 to 3 . If there are 24 books nonfiction books in the classr

worty [1.4K]

Answer:

Step-by-step explanation:

Given the ratio of fiction to nonfiction books in a classroom library is 2 to 3, then the total ratio of both books will be 2+3 = 5. If there are 24 books non fiction books in the library, to get the amount of fictionbooks that are there we will follow the following steps.

First we will calculate the total number of books in the shelf;

3/5 * Total number of books = total non fiction books

3/5 * Total number of books = 24

3*Total number of books = 5*24

3*Total number of books = 120

Total number of books = 120/3

Total number of books = 40

Therefore there are 40 total of books on the shelf.

Total number of fiction books = 2/5 * 40

Total number of fiction books = 2* 8

Total number of fiction books = 16 books

Hence there are 16 fiction books on the shelf.

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3 years ago