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nasty-shy [4]
3 years ago
8

Simplify (5x−2+3x^2)+(4x+3)

Mathematics
1 answer:
Art [367]3 years ago
5 0

Answer:

3x^2 + 9x + 1

Or

3x ( x + 3 ) + 1

Step-by-step explanation:

(5x - 2 +3x^2 ) + (4x + 3 )

To make this a little bit more easier to read, you can remove the parentheses:

5x - 2 + 3x^2 + 4x + 3

Now, write in a way so that the like terms are next to each other:

3x^2 + 5x + 4x - 2 + 3

Now simplify the 'x' terms to get:

3x^2 + 9x - 2 + 3

Now, simplify the integers (the ones with now variables with them) to get:

3x^2 + 9x + 1

If you want, you can factor out the 3x for two of the terms to get :

3x ( x + 3 ) + 1

Therefore, your simplest form can either be 3x^2 + 9x + 1 OR 3x (x + 3 ) + 1

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A woman can bicycle 80 miles in the same time as it takes her to walk 16 miles. She can ride 8 mph faster than she can walk. How
lord [1]

Answer:

she can walk 2 miles mph

Step-by-step explanation:

because 80 ÷8=10

16÷8=2

3 0
3 years ago
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You are rolling a die and you roll a '4' seven out of the 20 times you roll the die.
kaheart [24]

Answer:

the correct answer is 7/20

5 0
3 years ago
What is the volume of the crate, in cubic feet? How much paint would be needed to paint the entire outside of the crate?
Law Incorporation [45]
For volume you would do 20 x 8.5 x 7.5 = 1275 ft^3
For surface are you would add up all the area of the faces
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top and bottom = 20 x 7.5 = 150 each
total = 767.5 ft^2
3 0
3 years ago
A cleaner recommends mixing 1½ cup of cleaner for every 12 cups of water. What is the ratio of cleaner to water in simplest form
AVprozaik [17]

we know that

To find the ratio of cleaner to water

Divide the total cups of cleaner by the total cups of water

In this problem we have

total cups of cleaner------> 1\frac{1}{2}

convert to an improper fraction

1\frac{1}{2}=\frac{1*2+1}{2}= \frac{3}{2}

total cups of water------> 12

Find the ratio

\frac{(3/2)}{12}= \frac{3}{24}= \frac{1}{8}

therefore

<u>the answer is</u>

\frac{1}{8}


6 0
3 years ago
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Which of the following expressions cannot be written as an integer?
dangina [55]

Answer:

1.2 x 102

Step-by-step explanation:

An integer is an whole number. It is not a fraction or a decimal.

Types of Integers

1. Positive integers e.g. 18, 3, 149

2. Negative integers e.g. -30

3. Zero integers e.g. 0

1.2 x 102 = 122.4. 122.4 is not an integer because it is not a whole number

3 0
2 years ago
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