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Colt1911 [192]
4 years ago
15

Expand and simplify (2x+2)(2x+1)

Mathematics
2 answers:
s344n2d4d5 [400]4 years ago
8 0

Answer:

4x^2+6x+2

Step-by-step explanation:

Korolek [52]4 years ago
7 0

Answer: 4x+3

Step-by-step explanation: 2x+2x=4x

                                             2x1=3

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The expression (3x^7)^4 is equivalent to c^n what is the value of c
Nimfa-mama [501]

Answer:

n= 21

c= 3x

Step-by-step explanation:

The expression is given as;

(3x⁷)⁴

Apply the brackets law of indices which states that :

If a term with a power is itself raised to a power then the powers are multiplied together

(xᵃ)ᵇ = xᵃˣᵇ

Applying the same;

(3x⁷)⁴ = 3x²¹

If 3x²¹ = c^n

Then n = 21

and

c= 3x

7 0
3 years ago
)Tessa had $35. She bought a book for $7 and a magazine for $5. Which expression correctly shows the total money Tessa has left?
Sergeu [11.5K]
Total - book $ - magazine $

Which is equal to:

Total + (-book $) + (-magazine $)
$35 + (-$7) + (-$5)


ANSWER: (C) $35 + (-$7) + (-$5)

Hope this helps! :)
4 0
3 years ago
Hello can you help me, thank you!!
Hoochie [10]

Answer:60.58

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7 0
3 years ago
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Simplify your answer.<br><br><br> 9x 5/9
pantera1 [17]

Answer: the answer is 5

Step-by-step explanation:

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7 0
2 years ago
The amount of caffeine consumed from a glass of Diet Pepsi is proportional to the number of ounces that was drank. The table bel
olganol [36]

Answer:

Constant of proportionality: k=3

Equation: c=3d

Step-by-step explanation:

By definition, Direct proportion equations have the following form:

Where "k" is the Constant of proportionality.

In this case, let be "c"  the the amount of caffeine consumed  (in mg) from a glass of Diet Pepsi and "d" the number of ounces that was drank.

So, the equation that represents this relationship will have this form:

Then, the first step is to find the Constant of proportionality "k".

Knowing that:

We can substitute values into the equation:

Now, solving for "k", we get:

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3 years ago
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