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mel-nik [20]
3 years ago
7

Combine the like terms 4x^2+4x+7x^2

Mathematics
2 answers:
Lostsunrise [7]3 years ago
8 0

Answer:

Step-by-step explanation:

4x^2 + 7x^2 = 11x^2    Nothing else combines.

Answer: 11x^2 + 4x

x by itself is not similar in any way to x^2

Lesechka [4]3 years ago
5 0

add 4x^2 and 7x^2

which is 11x^2+4x

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Which of the following is a true statement?
Nikolay [14]

Answer:

The last choice: 68/5 - 22/5 = 9 1/5

Step-by-step explanation:

Solve each problem:

9 3/7 = 10 3/7

The fractions are the same so look at the whole numbers.

Does 9 equal 10? No, it doesn't so this is a false statement.

332/4 = 1/83

Simplify 332/4:

332/4 = 83/1

83 does not equal 1/83 so this is a false statement.

37/5 = 5 2/5

Convert the improper fraction into a mixed number:

7 2/5 = 5 2/5

These numbers do not equal each other so this is a false.

68/5 - 22/5 = 9 1/5

Subtract the numerators on the left side of the equation:

46/5 = 9 1/5

Convert the improper fraction into a mixed number:

9 1/5 = 9 1/5

These numbers equal each other so this is a true statement!

3 0
3 years ago
One earthquake has MMS magnitude 3.9. If a second earthquake has 120 times as much energy (earth movement) as the first, find th
Anna71 [15]

Answer:

The right answer is "5.9". A further solving is provided below.

Step-by-step explanation:

The given values are:

Initial Magnitude,

M₁ = 3.9

Let Second magnitude be M₂.

Now,

⇒  M_2-M_1=log(\frac{l_2}{l_1} )

On substituting the values, we get

⇒  M_2-3.9 = log (120)

On putting the value of "log 120", we get

⇒  M_2-3.9=2.079

On adding "3.9" both sides, we get

⇒  M_2-3.9+3.9=2.079+3.9

⇒                    M_2=5.9

7 0
3 years ago
What is the value of x in the equation 2x + 3y = 36, when y = 6?
atroni [7]
X would equal 9. Subtract 18 from both sides then divide by two to get 9 as X
7 0
3 years ago
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Choose the equation that represents the solutions of 0 = 0.25x2 - 8x.
Gre4nikov [31]

Answer:

Step-by-step explanation:

3 0
3 years ago
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What is 34-5x6? Help pls thx
azamat

Answer:

4

Step-by-step explanation:

Order of operations multiplication then subtraction so 5*6=30

34-30=4

8 0
3 years ago
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