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3 years ago

Please please please please just answer quickly i have short time left

Mathematics

1 answer:

Nastasia [14]3 years ago

5 0

9514 1404 393

Answer:

(x, y) = (10, 4)

Step-by-step explanation:

Opposite sides are the same length, so ...

ON = LM

6x -3 = 4x +17

2x = 20 . . . . . . . . add 3-4x

x = 10

OL = NM

x -5 = 3y -7

10 -5 + 7 = 3y . . . . . substitute x, add 7

12/3 = y = 4 . . . . . . simplify, divide by 3

The values of x and y are 10 and 4, respectively.

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Algebra what a subject please write down all the rules when using algebra ill provide some below that I know

Andrews [41]

Step-by-step explanation:

Algebra is a topic that covers linear equations, system of equations, sequences, exponential functions, polynomials, quadratic, exponents, radicals, functions, and more. I'm going to give use algebraic formulas and not all the topics.

Like Terms Rule: If two terms that share the same variable are separated by a binary operation, we can combine them.

For example, look at

$6 + 7x + 9x$

We can combine 7x and 9x.

$7x + ( + 9x) = 16x$

Add the coeffceint and keep the variable.

16x+6

Solving Algebraic Equations:

Alot questions in Algebra asks you to isolate a variable. For example,

$\frac{x}{2} + 6 = 9$

First step, is to get the x variable by itself. To do this subtract 6 by both sides. Why? Because Subtraction is a inverse operation off addition. Remeber the Golden Rule of Algebra,

WHAT WE DO TO ONE SIDE. WE DO TO THE OTHER.

 $\frac{x}{2 } = 3$ 

Now, we multiply both sides by 2 because multiplying is the inverse operation of division and vice versa.

$x = 6$

If we plug this in, it is indeed true.

$\frac{6}{2} + 6 =$

$3 + 6 = 9$

Some other rules are

If we multiply a term by a one term, we only affect the term that is being multiplied, for example

$2x \times 3$

2 and 3 are both real numbers so we just multiply 2 and 3. and put x behind the answer.

$2 \times 3 = 6(x)$

$2x \times 3 = 6x$

When we multiply 2 variables, we put the variable near each other. For example,

$x \times y = xy$

When we add term, we add the coeffcient parts

$y + y = 1y + 1y = 2y$

Know that

$y = 1y$

When we multiply same term variables, we get

$x \times x = {x}^{2}$

There is more formulas for Algebra. But these are the basicis.

8 0

3 years ago

In a survey of 1,500 people who owned a certain type of car, 300 said they would buy that type of car again. What percent of th

Virty [35]

Answer:

Step-by-step explanation:

Step one:

total number of people surveyed= 1500

we are told that 300 people would buy that car again,

this implies that they like the car and are satisfied with it

Step two:

the percent of people satisfied can be computed as

=300/1500*100

=3/15*100

=1/5*100

=0.2*100

=20%

The people surveyed were satisfied with the car are 20%

6 0

3 years ago

Which sequences of transformations confirm the congruence of shape II and shape I?

jasenka [17]

Which sequences of transformations confirm the congruence of shape II and shape I?

5 0

4 years ago

Read 2 more answers

How do you graph (0,3.5)

bazaltina [42]

Answer:

In a coordinate axis, the horizontal line is called the x-axis, and the vertical line is called the y-axis.

1) Then if you have a point (x, y), to graph this you go at the horizontal axis to find the value x,

2) Starting from the point you already found, now you need to move y units in the vertical axis.

Now we want to graph the point (0, 3.5).

First we need to locate the value 0 in the horizontal axis, this is the point where both axes intersect.

Now we move 3.5 units, because the number is positive, we move 3.5 units upwards.

The graph of the point is shown below.

3 0

3 years ago

How many ways can the letters of the word algebra be arranged?

ozzi

You can choose from the first letter 7 ways. For each of those 7 ways to choose the first letter, you can chose the second letter also. As well as the 3rd, 4th, 5th, 6th, and 7th. So you would multiply or use powers (7x7x7). Which would give you the answer of 343. There is 343 ways that "algebra" can be arranged. (I'm in the 7th grade)

3 0

3 years ago