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lina2011 [118]
2 years ago
12

I’m stuck on this question

Mathematics
2 answers:
DochEvi [55]2 years ago
6 0

Answer:

Hello there buddy

Your answer is

+ b, you just have to find a and b.b is simple, it is the y coordinate where the line crosses the y axis, i.e., b=9.a is the slope of the line. This is the change in y when you take one step to the right. The change is -2.Hence y = -2x + 9

Hope it’s helps you Buddy

Step-by-step explanation:

~ZaynTheEpicFoxy

Solnce55 [7]2 years ago
5 0

Answer:

y = -2x + 9

Step-by-step explanation:

The general shape of the equation is y = ax + b, you just have to find a and b.

b is simple, it is the y coordinate where the line crosses the y axis, i.e., b=9.

a is the slope of the line. This is the change in y when you take one step to the right. The change is -2.

Hence y = -2x + 9

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ANEK [815]

Answer:

4 3/8 cups

Step-by-step explanation:

5 0
3 years ago
a horticulturalist is building a fence around a rectangular garden using the side of a building for one side of the enclosure. s
Harman [31]
The garden area is maximum when the enclosure is a square.
If a is the length of the side of the square then the length of the building is also a.
The perimeter length is 4a made up of 81+a feet, so 81+a=4a and 3a=81 making a=27 feet.
5 0
3 years ago
Find the equation for the plane that contains the line x=−1+3t , y=1+2t, z=2+4t and is perpendicular to the plane containing the
Ivan

Let L be the line given by the vector equation

(-1,1,2) + \lambda(3,2,4) \ , \lambda \in \mathbb{R}.

First, we use the director vectors of the lines L1 and L2 to get the

vector equation of the plane containing them, which we denote by \Pi_1. This is,

\\\\\Pi_1  : (1,-1,5) + \alpha (2,-1,6) + \beta (1,1,-3) \ , \alpha, \beta \in \mathbb{R}\\\\\\

We observe that \vec{N} = (2,-1,6)\times(1,1,-3) = (-3,12,3) \ne (0,0,0). Therefore, the vector equation of \Pi_1 defines a plane and \vec{N} is a normal vector to \Pi_1.

 

Finally, the vector equation for the wanted plane, which we denote by \Pi, is

\Pi : (-1,1,2) + r(3,2,4) + s(-3,12,3), r,s \in \mathbb{R} \ .

Thus, if s = 0, then L \subset \Pi and since \vec{N} is parallel to \Pi, then it is perpendicular to \Pi_1.

8 0
3 years ago
What is length of BC ?
MAXImum [283]

Answer:

BC = 10

Step-by-step explanation:

Since this is an isosceles triangle

AC = BC

3x-5 = 2x

Subtract 3x from each side

3x-5-3x = 2x-3x

-5 = -x

Multiply each side by -1

5 =x

BC = 2x

     =2 *5

BC =10

5 0
2 years ago
-5x+3y=-9 3x+7y=23 <br> Need help please HElP
Veseljchak [2.6K]

Answer:

-88x + 10y

Step-by-step explanation:

-5x+3y= -93x+7y=23

we cannot do anything to numbers with unlike signs so we will do this

23=-5x+3y=-93x+7y

now we will take the numbers with like signs to one place like this

23=-5x+93x+3y+7y

now we can solve this

- x + = -

+ x+=+

-x-=-

23= 88x+10y ANSWER

7 0
3 years ago
Read 2 more answers
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