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IrinaK [193]
3 years ago
14

Which is the first step in solving

Mathematics
1 answer:
sammy [17]3 years ago
4 0

Answer:

X-4=4

Solution :

X=4+4

X=8

:)

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The line that contains the point Q( 1, -2) and is parallel to the line whose equation is
Triss [41]
Let's call this line y=mx+C, whereby 'm' will be its gradient and 'C' will be its constant.

If this line is parallel to the line you've just mentioned, it will have a gradient 2/3. We know this, because when we re-arrange the equation you've given us, we get...

y-4=\frac { 2 }{ 3 } \left( x-3 \right) \\ \\ y-4=\frac { 2 }{ 3 } x-2\\ \\ y=\frac { 2 }{ 3 } x-2+4\\ \\ y=\frac { 2 }{ 3 } x+2

So, at the moment, our parallel line looks like this...

y=(2/3)*x + C

However, you mentioned that this line passes through the point Q(1, -2). If this is the case, for the line (almost complete) above, when x=1, y=-2. With this information, we can figure out the constant of the line we want to find.

-2=(2/3)*(1) + C

Therefore:

C = - 2 - (2/3)

C = - 6/3 - 2/3

C = - 8/3

This means that the line you are looking for is:

y=(2/3)*x - (8/3)

Let's find out if this is truly the case with a handy graphing app... Well, it turns out that I'm correct.

3 0
3 years ago
In algebra, why do you think that you are given many problems to solve that aren't really "real life" problems? For example, "Tw
Liula [17]

Answer:

Ummm because it makes you smarter???? I feel like this is a question to ask your teacher haha

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Can someone help its due soon
Pani-rosa [81]

Answer:

x=43

Step-by-step explanation:

80+65=145

a quadrilateral has 360 degrees

360-145=215 degrees left

3x+2x=5x

5x=215 degrees (divide by 5)

x=42

PLEASE GIVE ME BRAINLIEST!!<3

7 0
3 years ago
A 12- foot ladder that is leaning against a wall makes a 75.5 degree angle with the level ground
viktelen [127]

Answer:option C is the correct answer.

Step-by-step explanation:

When the ladder leans against the wall, it forms a right angle triangle with the wall. The length of the ladder becomes the hypotenuse of the right angle triangle.

Since the length of the ladder is 12 foot, then

Hypotenuse = 12 foot

The angle formed by the ladder with the ground is 75.5 degrees. Therefore, the height, y which is the distance from the point where the ladder touches the wall to the foot of the wall becomes the opposite side. It would be determined by applying trigonometric ratio

Sin θ = opposite side/hypotenuse

Sin 75.5 = y/12

6 0
3 years ago
Plsss help me:((( I really need it now:(((​
pochemuha

Step-by-step explanation:

1. y--7=-2(x-0)

y+7=-2x

y=-2x-7

2. y--3=-2(x-1)

y+3=-2x+2

y=-2x+2-3

y=-2x-1

8 0
3 years ago
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