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Inessa [10]
3 years ago
14

Please 20 points ASAP

Mathematics
2 answers:
max2010maxim [7]3 years ago
5 0
A. (-1, 1)

b. (2, 7)

c. (1, -1)

hope this helps :)
ruslelena [56]3 years ago
4 0

Answer:

a.  -1, 1

b.  2, 7

c.  1, 1

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A line with a slope of 3 passes through (2,5). Which choice is an equation of this line? Please help
jek_recluse [69]

Answer:

Top right.

Step-by-step explanation:

So we want a line with a slope of 3 and passes through (2,5).

To do so, we can use the point-slope form.

The point-slope form is:

y-y_1=m(x-x_1)

m is the slope and x₁ and y₁ is an ordered pair.

Thus, let m be 3, y₁ be 5, and x₁ be 2. Thus:

y-5=3(x-2)

Our answer is the top right :)

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3 years ago
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The value of x for which the expressions 5(3x-4) equal to 2(2x+1)
notsponge [240]

Answer:

the value of x is 2.

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5(3x - 4) = 2(2x + 1)

15x - 20 = 4x + 2

15x - 4x = 2 + 20

11x = 22

x = 22/11

x = 2

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Which of the following is(are) the solution(s) to 16x-51- 7?
nexus9112 [7]
X= -2 because I love school soooo much
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Find the greatest common factor of 48 and 36.
tatiyna

Answer:

One, two, six, four, twelve are some greatest common factors.

Step-by-step explanation:

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3 years ago
All about simulitious equations​
Korolek [52]

Answer:

On occasions you will come across two or more unknown quantities, and two or more equations

relating them. These are called simultaneous equations and when asked to solve them you

must find values of the unknowns which satisfy all the given equations at the same time.

Step-by-step explanation:

1. The solution of a pair of simultaneous equations

The solution of the pair of simultaneous equations

3x + 2y = 36, and 5x + 4y = 64

is x = 8 and y = 6. This is easily verified by substituting these values into the left-hand sides

to obtain the values on the right. So x = 8, y = 6 satisfy the simultaneous equations.

2. Solving a pair of simultaneous equations

There are many ways of solving simultaneous equations. Perhaps the simplest way is elimination. This is a process which involves removing or eliminating one of the unknowns to leave a

single equation which involves the other unknown. The method is best illustrated by example.

Example

Solve the simultaneous equations 3x + 2y = 36 (1)

5x + 4y = 64 (2) .

Solution

Notice that if we multiply both sides of the first equation by 2 we obtain an equivalent equation

6x + 4y = 72 (3)

Now, if equation (2) is subtracted from equation (3) the terms involving y will be eliminated:

6x + 4y = 72 − (3)

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