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liq [111]
3 years ago
9

307,407 rouned to the nereist thousandth

Mathematics
1 answer:
kobusy [5.1K]3 years ago
6 0
Rounded to the thousands would be 307,000 and thousandths is 307.407
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QUICK What is the solution to this system of equations? 3.2 x + 0.5 y = 4.2. Negative 1.6 x minus 0.5 y = 3.4.
8_murik_8 [283]

Answer:

The solution is x=4.75  and   y = -22

Step-by-step explanation:

To find the solution to the system of equations, we will follow the steps below:

3.2x + 0.5y = 4.2 --------------------------------------------------------------------------(1)

-1.6x -0.5y = 3.4 ----------------------------------------------------------------------------(2)

add equation (1) and equation (2)

1.6x =7.6

Divide both-side of the equation by 1.6 to get the value of x

1.6x /1.6 =7.6/1.6

x =4.75

substitute x = 4.75 into equation (1) and solve for y

3.2(4.75) + 0.5y = 4.2

15.2 + 0.5y = 4.2

subtract 15.2 from both-side of the equation

15.2 - 15.2 + 0.5y = 4.2-15.2

0.5y = -11

Divide both-side of the equation by 0.5

0.5y/0.5 = -11/0.5

y = -22

The solution is x=4.75  and   y = -22

7 0
3 years ago
What are the domain and range of this function?
RUDIKE [14]
<h3>Answer: Choice D</h3>
  • Domain: all real numbers
  • Range: y \ge 1

===========================================

Explanation:

The domain is the set of allowed x inputs. We can plug in any x value we want as the graph stretches on forever to the left and to the right. There aren't any division by zero errors or any issues like that to worry about, so that's why we don't kick out any x values from the domain.

The domain being all real numbers translates to the interval notation (-\infty, \infty) which is basically saying -\infty < x < \infty

-----------------------------------

The range is the set of y outputs possible. The graph shows that y = 1 is the smallest y output, so y = 1 or y can be greater than this.

In short, y \ge 1 is the range which converts to the interval notation [1, \infty) which is the same as saying 1 \le y < \infty

-----------------------------------

Extra info:

The equation of this absolute value function is y = |x|+1

8 0
3 years ago
Pls help!!!!<br> Solve the equation for r. Show your work.<br> r-15=6
jok3333 [9.3K]

Answer:

r=21

Step-by-step explanation:

r-15=6

r=6+15

r=21

4 0
2 years ago
Read 2 more answers
I cant understand what they are asking of me?
dezoksy [38]

Answer:

Step-by-step explanation:

You are given four responses to a question and are to identify which of those four are correct.  

The first one is FALSE, because the divisor -2 results in a non-zero remainder.

The second one is also FALSE.  The y-intercept is (0, -4).

The third one is TRUE.  Division by -2 results in a remainder of -6, which is the y-value of the function at -2.

The fourth is FALSE.

7 0
2 years ago
-6x+5y=9 in standard form
k0ka [10]
Negative six times x plus five times y equals nine

7 0
3 years ago
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