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2 years ago

How many solutions does the following system have 2x+3y=12 2x+3y=18

Mathematics

1 answer:

Alika [10]2 years ago

4 0

Answer:

Mmm

Step-by-step explanation:

wait I tell the answer

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Can someone help me with this

Naya [18.7K]

Answer:

the answer should be 8.9

you square 12 and square the 8 and subtract them by each other

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2 years ago

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Plz help me Much appreciated.

Ratling [72]

Slope is -12 and the form is y=Mx+b

8 0

3 years ago

How many units long is a segment whose endpoints are (2,3) and (7,15)?

Ahat [919]

Answer:

13 units

Step-by-step explanation:

Distance formula: $d = \sqrt{(x2-x1)^2 + (y2-y1)^2}$

Simply plug in your variables

$d = \sqrt{(7-2)^2 + (15-3)^2}$

$d = \sqrt{5^2 + 12^2}$

$d = \sqrt{25 + 144}$

$d = \sqrt{169}$

d = 13

5 0

3 years ago

Can someone please help with this question pleaseee

Ulleksa [173]

Answer: Choice C) 10.5

The distance from A to C is 7 units (count out the spaces between the two points, or subtract y coordinates 4-(-3) = 4+3 = 7)

Let AC = 7 be the base of the triangle. You might want to rotate the image so that AC is laying horizontally rather than being vertical.

Now move to point P. Walk 3 spaces to the right until you land on segment AC. This shows that the height of the triangle is 3 when the base is AC = 7.

base = 7, height = 3

area of triangle = (1/2)*base*height

area of triangle = 0.5*7*3

area of triangle = 10.5 square units

7 0

3 years ago

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Please please help me out!!!!!!

Novosadov [1.4K]

Answer:

see explanation

Step-by-step explanation:

Inequalities of the type | x | > a, always have solutions of the form

x < - a or x > a

This can be extended to expressions, that is

14 - 5x < - 8 OR 14 - 5x > 8 ( subtract 14 from both sides of both inequalities )

- 5x < - 22 OR - 5x > - 6

Divide both sides by - 5 , reversing the inequality sign as a consequence

x > $\frac{22}{5}$ OR x < $\frac{6}{5}$

That is the solution is

x < $\frac{6}{5}$ OR x > $\frac{22}{5}$

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3 years ago

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