What is 1.61 rounding to the nearest tenth

Mathematics

1 answer:

kkurt [141]4 years ago

5 0

6 is in the 5entha place. 1 is smaller than 5 so u bring it down so it would be 1.6

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Un número consta de dos cifras cuya suma es 9.Si se invierten el orden de las cifras el resultado es igual al número dado más 9

Dominik [7]

Answer:

Step-by-step explanation:

A number consists of 2 digits whose sum is 9 => x + y = 9

If the order of the numbers is inverted, the result is equal to the given number plus 9 units => (10*y + x) + 9 = (10*x + y)

Thus:

x + y = 9 => multiply by -9 => 9*y + 9*x = 81

10*y + x + 9 = 10*x + y => 9*y - 9*x = -9

We are left then that:

9*y + 9*x = 81 (1)

9*y - 9*x = -9 (2)

we add both equations

18y = 72

y = 72/18 = 4

replacing

x + y = 9

x + 4 = 9

x = 5

Therefore the number is (10y + x) => (10 * 4 + 5) => 45

4 0

3 years ago

I need help pls<br> Plz help

Vika [28.1K]

a) The answer is 3/3, as that makes it a whole. Whole = 1.

b) The answer is 8 as having a denominator of 1 makes it a whole already. That's 8 wholes.

4 0

3 years ago

Read 2 more answers

Help! graph Y - 2 = -3/4 (X-6). please use the graph I provided

Fiesta28 [93]

A graph of this equation y - 2 = -3/4(x - 6) is shown in the image attached below.

<h3>What is a graph?</h3>

A graph can be defined as a type of chart that is typically used for the graphical representation of data on both the horizontal and vertical lines of a cartesian coordinate, which are the x-coordinate and y-coordinate.

Next, we would rearrange and simplify the given given equation in slope-intercept form in order to enable us plot it on a graph:

y - 2 = -3/4(x - 6)

Opening the bracket, we have:

y - 2 = -3x/4 + 18/4

y = -3x/4 + 18/4 + 2

y = -3x/4 - 26/4

y = -3x/4 - 13/2

Therefore, the slope is equal to -3/4 and the y-intercept is equal to -13/2.

In conclusion, we can logically deduce that the graph representing the given linear equation does not show a proportional relationship between the value of x and y.

Read more on graphs here: brainly.com/question/4546414

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