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Viefleur [7K]
3 years ago
10

How do you calculate the slope of a line?

Mathematics
1 answer:
rosijanka [135]3 years ago
5 0

Answer:

y2-y1/x2-x1 or rise/run

Step-by-step explanation:

I learned this in algebra

You might be interested in
Ann's first option is a plot of land adjacent to a current park.
oksian1 [2.3K]

Given:

The equation for the area of the first option is:

x^2+200x=166400

Where x is the side length of the current square park.

To find:

The side length of the current square park.

Solution:

We have,

x^2+200x=166400

It can be written as:

x^2+200x-166400=0

Splitting the middle term, we get

x^2+520x-320x-166400=0

x(x+520)-320(x+520)=0

(x-320)(x+520)=0

x=320,-520

We know that the side length of a park cannot be negative. So, the only possible value of x is 320.

Therefore, the most direct method to solve the given equation is splitting the middle term and the side length of the current square park is 320 meters.

4 0
3 years ago
If x+3 is a factor of x^3-x^2-10x+A. What is the value of A?
Leno4ka [110]

Answer:

A = 6.

Step-by-step explanation:

Let a denote a constant (a number, rather than a variable like x.)

Let f(x) denote an expression about x (for example,

By the factor theorem, if (x - a) is a factor of f(x), then f(a) = 0. In other words, if all mentions of x in the expression f(x)\! are replaced with a, then the expression should evaluate to zero.

(x + 3) is equivalent to (x - (-3)). That is: a = -3.

Replace all mentions of x in x^3 - x^2 - 10\, x + A by (-3) to get:

(-3)^3 - (-3)^2 - 10\times (-3) + A.

That should evaluate to zero. Therefore: -27 - 9 + 30 + A = 0. Solve for A to get A = 6.

7 0
3 years ago
Jocelyn is pregnant and needs to eat at least 500 more calories a day than usual. when buying groceries one day with a
stiks02 [169]
90b + 150g > 500

0.35b + 2.50g < 15.00

what, is the question asking. These might help
3 0
2 years ago
Twenty students are members of the school debate team. Five
harkovskaia [24]

Answer:

75%

Step-by-step explanation:

\frac{15}{20} as a percent = 75%, or 0.75 in decimal form.

8 0
2 years ago
You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00.
Xelga [282]
The difference
800−640
=160

160×(1+0.045)
=167.2
3 0
3 years ago
Read 2 more answers
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