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Scilla [17]
4 years ago
8

Find the sum of 2x+1 and 5x

Mathematics
2 answers:
aliya0001 [1]4 years ago
5 0

Hey!

This could be rewritten as:

2x + 1 + 5x

We can add like terms together:

7x + 1

Lelechka [254]4 years ago
5 0
Hey 2x and 5x are like terms so you can add them together to make 7x+1
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The algebraic expression 4x2 + 3Vx+5 is a polynomial
Mila [183]

Answer:

In this problem, I can not tell what is V, so I will answer it in a general way.

A polynomial is something of the form:

a*x^5 + b*x^4 + c*x^3 + d*x^2 + e*x + f

a, b, c, d, e, and f are real numbers and constant.

Where the degree of the polynomial is equal to the greatest power (in this case 5).

You write:

4x^2 + 3Vx + 5

Now, if V is a real number, then we have that this is a polynomial of degree 2.

Because we can write this as:

4*x^2 + (3V)*x + 5

So the answer is true.

Now, if V is a variable or an operation, the answer will be false.

4 0
3 years ago
Order these from least to greatest 3 39/40 , 3 19/20 , 3 1/2
Lera25 [3.4K]

Hey!

First change all the fractions so that they have a common denominator: 40

3 \frac{39}{40} = 3 \frac{39}{40}

3 \frac{19 \times 2}{20 \times 2} = 3 \frac{38}{40}

3 \frac{1 \times 20}{2 \times 20} = 3 \frac{20}{40}

Now order them:

3 \frac{39}{40} , 3 \frac{19}{20} , 3 \frac{1}{2}

Good luck and hope this helps! :)

3 0
3 years ago
Carl is making the kite shown (shorter sides measure 24 inches) with a perimeter of 120 inches
elena-14-01-66 [18.8K]

Answer:

To solve for x the equation would be. (120 - 48) ÷ 2 = X

Step-by-step explanation:

This is because to follow pemdas you do the parenthesis first so you subtract both of the shorter sides. Next since there are two longer sides you divide by two to get the answer. Each longer side is equal to 36 inches.

Hope this helps

6 0
3 years ago
I'll give brainliest if you answer 11 and 12
olasank [31]

Answer:

tanx=30/27

tanx=10/9

x=48

4 0
3 years ago
This hanger is in balance. There are two labels weight. What is the weight of each circle on grams?
Citrus2011 [14]

Answer:

since there is no image attached I can't see what weight they could be labeled but since the scale is even the weights must be the same number weight

Step-by-step explanation:

hope this helped!

6 0
3 years ago
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