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scZoUnD [109]
2 years ago
11

Which is an equation of the line with a slope of 2/3 passing through the point (4,-1)?

Mathematics
1 answer:
Bond [772]2 years ago
3 0

Answer:

y=2/3x-11/3

Step-by-step explanation:

to find the y intercept, you can input your values into the equation:

b=y1−m⋅x1

When you do that, you get:

b=−1−(2/3)⋅(4)=−11/3

When you convert that equation into y=mx+b form, you get:

y=2/3x-11/3

Please mark Brainliest ;)

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11. The regression equation y=2x + 8 represents how many minutes a sound will last after applying x pounds of pressure to the sy
Sidana [21]
Then y=2(4)+8
          =8+8
          =16

8 0
3 years ago
angle A and angle B are vertical angles. If angle A= (5x – 9)° and angle B = (8x – 30) then find the value of x.
puteri [66]

Answer:

x=7

Step-by-step explanation:

5x-9=8x-30

8x-5x=-9+30

3x=21

x=21/3=7

8 0
2 years ago
If 3 is added to a number and the sum is tripled​, the result is 21 more than the number. find the number.
zavuch27 [327]
<span>If 3 is added to the number: x + 3
b) ...and the sum is tripled.. 
"The sum" is "x + 3" so: 3(x+3)
c) ...the result is 27 more than the number.
27 more than the number is x + 27 
d) Put it all together:
3(x + 3) = x + 27 
Solve for x: 
1) Distribute the left side of the equation:
3x + 9 = x + 27

2) Subtract x from each side of the equation:
2x + 9 = 27
3) Subtract 9 from each side of the equation:
2x = 18
4) Solve for x:
x = 9 
Check: 
1) x = 9
2) 3(x + 3) = x + 27
3) 3 ([9] + 3) = [9] + 27
4) 3(12) = 9 + 27
5) 36 = 36 

So, therefore The answer is correct</span>
7 0
3 years ago
The length of a rectangle is 5 in. More than 3 times its width. The quadratic function f(x) = x(3x + 5) represents the area of t
True [87]

Answer: Domain of function is R^{ + } or (0, \infty )

Step-by-step explanation:

Assuming x as width of rectangle

so, Width = x

Question says, Length is 5in more than 3 times id width.

we write as Length = 3x+5

Therefore, Area of rectangle will be given function f(x)

f(x) = x(3x+5)

Here, It is important to notice that width and length of rectangle will always be positive values and also, area of rectangle is always positive.

we can write in equation as

x > 0

f(x) > 0

Thus, Domain of function is R^{ + } or (0, \infty )

6 0
3 years ago
How many solutions are there to this nonlinear system?
yulyashka [42]
there are many solutions to w nonlinear system. as much as you may wonder try ere alre . as few as many. which is the explaintion
3 0
3 years ago
Read 2 more answers
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