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4vir4ik [10]
3 years ago
12

Five times the sum of two times a number and 3

Mathematics
1 answer:
BigorU [14]3 years ago
7 0

Answer:

5×(2x+3)

Step-by-step explanation:

hope this helps:)

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Total = $5.33 Tax rate = 8% How much was the item?
kow [346]

Answer:

42.64

Step-by-step explanation:

6 0
2 years ago
Do I have to solve this before graphing it and if so how do I go about it?
defon

Given the System of Equations:

\begin{cases}y=4x-1 \\  \\ y=x-4\end{cases}

The exercise asks for solving it graphically. Then, in this case, you need to graph both lines in order to determine the solution of the system.

In order to graph it, you can find the x-intercepts and the y-intercepts:

1. It is important to remember the Slope-Intercept Form of the equation of a line:

y=mx+b

Where "m" is the slope of the line and "b" is the intercept.

In this case, you can identify that the y-intercept of the first line is:

b_1=-1

And the y-intercept of the second line is:

b=-4

2. By definition, the value of "y" is zero when the line intersects the x-axis.

Then, you need to substitute the following value of "y" into each equation and then solve for "x", in order to find the x-intercept of each line:

y=0

- For the first line, you get:

\begin{gathered} y=4x-1 \\ 0=4x-1 \\ 1=4x \\  \\ \frac{1}{4}=x \\  \\ x_1=0.25 \end{gathered}

- For the second line, you get:

\begin{gathered} y=x-4 \\ 0=x-4 \\ 4=x \\ x_2=4 \end{gathered}

3. Now you know that the first line passes through these two points:

(0.25,0);(0,-1)

And the second line passes through these two points:

(4,0);(0,-4)

4. Knowing those points, you can graph the lines:

Notice that the line intersect each other at

5 0
1 year ago
Extra points to the brainiest answer!
mixer [17]

Answer:

Step-by-step explanation:

That'd be the second root of 7^3, where 3 is the exponent of the radical.

6 0
2 years ago
Read 2 more answers
Marcus changed jobs after college. His old salary was $48000 per year. Now his new salary is 37% more per year. What is his new
Gennadij [26K]

Answer:

65,760

Step-by-step explanation:

5 0
2 years ago
Can I do 50 quizzes in 2 weeks? Each takes about 5 minutes
rodikova [14]
So.
.
Let's get started with formulas.
.
I KNOW you hate formulas!! So do I, but we have to use them. No "buts". 
.
So, how many minutes are in 2 weeks?
.
Search it up. For your convenience, it is 20,160 minutes.
.
Well, I think you have your answer, since each quiz is 5 minutes, 5 times 50 (5 x 50) is 2,500 minutes.
.
Yes, you can do 50 quizzes and MUCH MUCH more in 2 weeks.
.
Hope I helped!!
8 0
3 years ago
Read 2 more answers
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