10+6x = 15+9x-3xis this one solution, no solution, or multiple solution if one of 2 please tell me what is x

Answers

Answer 1

Answer: Simplifying
10 + 6x = 15 + 9x + -3x

Combine like terms: 9x + -3x = 6x
10 + 6x = 15 + 6x

Add '-6x' to each side of the equation.
10 + 6x + -6x = 15 + 6x + -6x

Combine like terms: 6x + -6x = 0
10 + 0 = 15 + 6x + -6x
10 = 15 + 6x + -6x

Combine like terms: 6x + -6x = 0
10 = 15 + 0
10 = 15

Solving
10 = 15

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

Answer 2

Answer:

Answer:

No solution

Step-by-step explanation:

Let's solve this equation to see if there are any solutions.

First we need to simplify it;

10 + 6x = 15 + 9x - 3x

Combine like terms:

6x - 9x + 3x = 15 - 10

0x = 5

0 = 5

Zero cannot be equal to 5, so there is no solution

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Factoriza 4x²-y²-6y-9

Answers

$4 x^(2) -y^(2) -6y-9 \n 4 x^(2) = y^(2) +6y+9 \n 4 x^(2) =(y+3)(y+3) \n \sqrt{ 4x^(2) } = √((y+3)(y+3)) =\n2x=y+3\n2x-3=y$

y=2x-3

=4x²-(y²+6y+9)
=(2x)²-(y+3)²
=(2x+y+3)*(2x-y-3)

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. There are 15 questions on the test, and students are given 51 minutes to take it.The system of equations shown can be used to find the number of multiple-choice questions, m, and the number of free-response questions, f, on the test.

m + f = 15

3m + 5f = 51

How many multiple-choice questions are on the test?

3
5
12
14

Answers

The right answer for the question that is being asked and shown above is that:

m + f = 15 ---> 3m + 3f = 45
3m + 5f = 51

3m + 3f = 45
3m + 5f = 51
-------------------
-2f = -6
f = 3

m + f = 15
m = 15 - 3
m = 12

So the correct answer is 12.

Answer:

So the correct answer is 12.?

Step-by-step explanation:

The graph of the function f(x) = –(x + 3)(x – 1) is shown below.

Answers

Answer:

Step-by-step explanation:

it is a downward parabola cutting x-axis at (-3,0),(1,0)

f(x)=-(x+3)(x-1)

=-(x²+2x-3)

=-(x²+2x+1-1-3)

=-(x+1)²+4

vertex is (-1,4)

A rhino can run at speeds of about 28 miles per hour. What is that speed in feet per second, to the nearest whole number? (Remember, there are 5280 feet in a mile, 60 seconds in a minute, and 60 minutes in an hour.)A.189 feet per second
B.88 feet per second
C.36 feet per second
D.41 feet per second

Answers

We have 28 mph.
To convert that to feet we would multiply that by 5,280.
To convert that to seconds we have to divide it by 3,600.
So, basically we have to get 28 and multiply it by 5,280 / 3,600 and that equals
41.066666666 feet per second.
Answer is D

Answer: 41 feet per second

Step-by-step explanation:

Please help I've been stuck on this question for a while now. How do I solve (1/2)^4 (1/2)^-2? It has to do with Multiplying and Dividing Expressions with Exponents. Please show work so I may figure it out on my own.

Answers

The value of the expression is $0.25$

Explanation:

The expression is $\left((1)/(2)\right)^(4)\left((1)/(2)\right)^(-2)$

Since, the base of the expression is the same. Then, by "product rule", when multiplying two powers that have the same base, you can add the exponents.

Thus, we have,

$\left((1)/(2)\right)^(4)\left((1)/(2)\right)^(-2)=\left((1)/(2)\right)^(4-2)$