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3 years ago

What is 8,329 divided by 9

Mathematics

2 answers:

makvit [3.9K]3 years ago

7 0

It should be 925.4 repeating

adelina 88 [10]3 years ago

3 0

The answer is 925.4444, or rounded off is 925.4. Hope this helped!

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Please help me out. I don’t understand this problem.. An equation of a line through (-7,-10) which is perpendicular to the line

nordsb [41]

Answer:

The Equation:

$y = \frac{1}{3}x - \frac{23}{3}$

The y-intercept:

$-\frac{23}{3}$

Step-by-step explanation:

Things you need to know:

Perpendicular mean opposite slope.

Need to know point slope form of a linear equation $y - y_1 = x(x - x_1)$

Ok, with that out the way, lets get started!

From the equation y = -3x + 2 we can see the slope, which is -3. We are asked to find an equation that is perpendicular to that slope so that means we need an opposite slope. To turn this slope to an opposite slope flip it and change the sign

-3 = $\frac{-3}{1} = \frac{1}{3}$

Now that we have our opposite slope, which is $\frac{1}{3}$ , we can find the equation the problem is asking us to solve.

We do this by using the point (-7, -10) and our new slope, which is $\frac{1}{3}$ and by using $y - y_1 = x(x - x_1)$

Insert our point and slope into $y - y_1 = x(x - x_1)$ and solve for y

$y - y_1 = x(x - x_1)$

$y - (-10) = \frac{1}{3}(x - (-7))$

$y + 10) = \frac{1}{3}(x + 7))$

Work on the right side of the = sign

Distribute 1/3 to x and 7

$y + 10 = \frac{1}{3}(x + 7))$

$y + 10 = \frac{1}{3}x + \frac{7}{3}$

Bring the 10 over to the right side by adding a -10

$y + 10 -10= \frac{1}{3}x + \frac{7}{3} - 10$

$y = \frac{1}{3}x + \frac{7}{3} - 10$

Do the math for $\frac{7}{3} - 10 = -\frac{23}{3}$

$y = \frac{1}{3}x - \frac{23}{3}$

We are done.

The Equation:

$y = \frac{1}{3}x - \frac{23}{3}$

The y-intercept:

$-\frac{23}{3}$

7 0

3 years ago

A chemist is using 353 milliliters of a solution of acid and water. If 16.6% of the solution is acid, how many milliliters of ac

BartSMP [9]

16.6% is the same as 0.166, therefore 377ml total x 0.166 = 62.6ml are acid

3 0

3 years ago

Find all the roots of the given function. Use preliminary analysis and graphing to find good initial approximations.

Evgesh-ka [11]

Answer:

x ≈ -0.107760269824
x ≈ 1.98779489573

Step-by-step explanation:

The quadratic portion of f(x) factors as (-4x)(x -2), so has zeros at x=0 and x=2. The cosine portion of f(x) will have a value of 1 at x=0 and a value of about -0.15 at x=2. Thus, we might expect roots to be slightly negative and near x=2. (It turns out that a not-unreasonable approximation of the cosine function as cos(x) ≈ 1-x²/2 can be usefully used to get better approximations of the roots in each case.)

A graphing calculator makes it easy to find initial approximations of the two roots. The graph shows them to be -0.108 and 1.988.

Many graphing calculators also include the ability to determine a numerical value of the derivative of a function. This makes it possible to write an iteration function after the fashion of Newton's Method iteration:

g(x) = x -f(x)/f'(x)

where g(x) gives a new value for old guess x, and f'(x) is the derivative of f(x).

The calculator we used is interactive, so the value of g(x) is found even as you type the argument value x. That makes it possible to achieve full calculator accuracy for the root estimate simply by copying the approximate value into the expression g(x).

x ∈ {−0.107760269824, 1.98779489573}

7 0

4 years ago

Rewrite equation to solve for m 4n-6m=-2

hram777 [196]

Answer:

Step-by-step explanation:

4n - 6m = - 2 Subtract 4n from both sides.

4n-4n - 6m = -2-4n

-6m = - 2 - 4n Divide by - 6

-6m/-6= -2/-6 -4n/-6 Do the division

m = 1/3 + 2n/3

The signs change because each term has 2 minus signs. 2 minus signs make a plus. Or both minus signs cancel.

7 0

4 years ago

Make a table of values with the equation provided. Thanks! :)

QveST [7]

Answer:

The answer is in the picture, good luck :)

Step-by-step explanation:

7 0

3 years ago