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3 years ago

What does equation mean ?

Mathematics

2 answers:

andriy [413]3 years ago

8 0

A statement that the values of 2 mathmatical exspression are equal (indicated by the sign =)

german3 years ago

8 0

Its a statement that shows the equality of two expressions. It consists of a sequence of symbols that is split into left and right sides that joins them by an equal sign For example,
6+ 2+ 1 = 9 is an equation.

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The discriminant of a quadratic equation is 40. What is the nature of solutions?

RSB [31]

Answer:

It means that the roots of the quadratic equation are real and distinct

Step-by-step explanation:

Here, given the discriminant of the quadratic equation, we want to find out the nature of the solutions.

Mathematically, we can use to determine the nature of the discriminant.

By it’s formula;

D = b^2 - 4ac

We can see that the given discriminant 40 is a positive value. What this means is that the quadratic equation has roots which are real and are distinct

4 0

3 years ago

A glider flies 13 miles north from the airport and then 24 miles diagonally southeast. Approximately how far west does the glide

NISA [10]

Answer:

20.2 miles

Step-by-step explanation:

This can be described by the three sides of a right angled triangle. Let the distance of the glider to the airport be represented by x, applying the Pythagoras theorem:

$/hyp/^{2}$ = $/adj1/^{2}$ + $/adj2/^{2}$

$/24/^{2}$ = $/x/^{2}$ + $/13/^{2}$

576 = $x^{2}$ + 169

$x^{2}$ = 576 - 169

= 407

x = $\sqrt{407}$

= 20.1742

x = 20.2 miles

The glider has to fly 20.2 miles to return to the airport.

8 0

2 years ago

The slope of the line below is -3. Which of the following is the point-slope

Anna [14]

Given:

The slope of the line is -3.

The line passes through the point (2,-2).

To find:

The point-slope form of the line.

Solution:

Point slope form: If a line passes through the point $(x_1,y_1)$ with slope m, then the point-slope form of the line is:

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

The slope of the line is -3 and it passes through the point (2,-2). So, the point-slope form of the line is:

$y-(-2)=-3(x-2)$

$y+2=-3(x-2)$

Therefore, the required point slope form of the given line is $y+2=-3(x-2)$ .

5 0

3 years ago

Bryan runs 2 miles every 40 minutes. At this rate, how many minutes did Bryan run if he ran 8 miles?

andreev551 [17]

160 minutes also known as 2 hours and 40 minutes

6 0

2 years ago

Read 2 more answers

Markley's birthday party will cost $22.50 if she invites four of her friends. If she adds one

sergij07 [2.7K]

Answer:

The party will cost 28.125 dollars.

Step-by-step explanation:

Because to find how much each person costs you would have to take 22.50 divided by 4 to get 5.625, then do 5.625 times 5 to get 28.125 as your answer.

4 0

2 years ago