Which expression is equivalent to 4(2w + 3) + 2(3 + w)?

Mathematics

2 answers:

SVEN [57.7K]3 years ago

7 0

After you add them or combine(however you want to put it), you would get b. 10w + 18. have a good day:)

Semmy [17]3 years ago

6 0

Once you combine it, you get 10w + 18

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Write a polynomial function that meets the given conditions. Answers may vary. Degree 2 polynomial with zeros of 2√ 13 and -2√13

MAVERICK [17]

Answer:

The polynomial function is $x^{2} - 52$

Step-by-step explanation:

A polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = (x - x_{1})*(x - x_{2})$ .

In this problem:

The roots are $x_{1} = 2\sqrt{13}$ and $x_{2} = -2\sqrt{13}$

Then

$(x - 2\sqrt{13}) \times (x - (-2\sqrt{13})) = (x - 2\sqrt{13}) \times (x + 2\sqrt{13}) = x^{2} - 2x\sqrt{13} + 2x\sqrt{13} -(2\sqrt{13})^{2} = x^{2} - 52$

The polynomial function is $x^{2} - 52$

8 0

3 years ago

Hey Guys!

zaharov [31]

<h3>Answer: D) -3</h3>

Explanation:

Recall that y = f(x) since both are outputs of a function.

If k = 2, then f(x) = 2 leads to y = 2 being a horizontal line drawn through 2 on the y axis. This horizontal line only crosses the cubic curve at one spot. The same can be said if k = 0 and k = -2. So we can rule out choices A,B,C.

On the other hand, if k = -3, then f(x) = -3 has three different solutions. This is because the horizontal line through -3 on the y axis crosses the cubic at 3 different intersection points.

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2 years ago

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Jim and Jesse had the same amount of $. Jim spent $58 to fill car and Jesse spent $37 on snacks. Afterward the ratio of Jim's to

Elza [17]

Set up an equation
x+58=4x+37
21=3x
x=7
Jim:
x+58
7+58
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Jesse:
4x+37
4(7)+37
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3 years ago

What is x? -3(2x-7)+5=2x-9

vitfil [10]

Answer:

x=4.375