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3 years ago

What's 19.83 rounded to the nearest 10th

Mathematics

2 answers:

ycow [4]3 years ago

7 0

If you round 19.83 to the nearest 10
the answer is: 20.00

Nikitich [7]3 years ago

6 0

The correct answer will be 20.00

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EASY QUESTION HELP PLS

netineya [11]

Answer:

k=2

Step-by-step explanation:

7[k+8]=70

First distribute the 7 into the k+8

7k+56=70

Then subtract the 56 on both sides since we want to isolate the variable

7k=14

Lastly divide each side by 7 to get the variable by itself and its value

k=2

We can check this by plugging 2 into the equation. We substitute for 2 in place of k.

7[2+8]=70

First do inside the brackets

7[10]=70

Next multiply

70=70

The equation is true so we know for sure that 2=k

4 0

3 years ago

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How many numbers are prime between 40 and 50?

natali 33 [55]

Step-by-step explanation:

Correct answer:

(The primes between 40 and 50 are 41, 43, and 47 - three.

6 0

3 years ago

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determine the equation of the parabola (simplified) with roots -3+sqrt6 and -3-sqrt6, and passing through the point (-1,4)

klio [65]

Given:

Roots:

$\begin{gathered} -3+\sqrt[]{6} \\ -3-\sqrt[]{6} \end{gathered}$

Point: (-1,4)

To determine the equation of the parabola with the given roots and point, we find the missing values first.

Since the roots are given, we can say that the equation is:

$y=a(x+3-\sqrt[]{6})(x+3+\sqrt[]{6})$

Next, we expand the terms.

$y=a(x^2+6x+3)$

Then, we plug in x= -1, and y=4 into the equation to get the value of a.

$\begin{gathered} y=a(x^2+6x+3) \\ 4=a((-1)^2+6(-1)+3) \\ \text{Simplify and rearrange} \\ 4=a(-2) \\ a=\frac{4}{-2} \\ a=-2 \end{gathered}$

So,

$undefined$

6 0

2 years ago

If a printer prints 21 pages every 3 mins how many pages will it print in 10 minutes.

poizon [28]

Answer:

70 pages

Step-by-step explanation:

21pages / 3 mins = 7 pages per minute

7 pages * 10 minutes = 70 pages

5 0

3 years ago

Find x- and y-intercepts. Write ordered pairs representing the points where the line crosses the axes. 2x+3y=6

sweet-ann [11.9K]

Answer:

x-intercept: (3, 0)

y-intercept: (0, 2)

Step-by-step explanation:

For a function like:

y = f(x)

The x-intercept is the value of x when y = 0

the y-intercept is the value of y when x = 0

Also remember that an ordered pair is written as (x, y).

In this case we have the equation:

2*x + 3*y = 6

For the x-intercept, we just replace y by zero in the equation, then we get:

2*x + 3*0 = 6

Solving this for x, we get:

2*x = 6

x = 6/2 = 3

Then in this case, the ordered pair for the x-intercept is (3, 0)

For the y-intercept, we just need to replace x by zero in the equation:

2*0 + 3*y = 6

Solving this for y, we get:

3*y = 6

y = 6/3 = 2

Then the ordered pair for the y-intercept is (0, 2)

8 0

3 years ago