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just olya [345]
2 years ago
15

What is the slope of the line? y + 1 = 3(2x - 4)

Mathematics
1 answer:
Alexeev081 [22]2 years ago
6 0

Answer: 6

Step-by-step explanation:

Let's start by getting the equation to slope intercept form

First simplify

y + 1 = 3(2x - 4)\\\\y+1=6x-12

Then get y by itself

y+1-1=6x-12-1\\y=6x-13

In slope intercept form y=mx+b, m is the slope

In this case the slope is 6

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What is the perimeter of quadrilateral ABCD? a(-3,2) b(4,2) c(3,-3) d(-3,3)
lord [1]

Answer:

Perimeter will be = 21.6

Step-by-step explanation:

As we know the formula to get the length between two points A and B having coordinates A(x,y) and B (a,b) is

AB = √(x-a)²+(y-b)²

We will use this formula to get the lengths of all sides of the quadrilateral.

AB=√(4+3)²+(2-2)² =√7² =7

BC = √(3-4)²+(-3-2)²=√(-1)²+(-5)² = √1+25=√26 = 5.1

CD = √(3+3)²+(-3-3)² = √6²+(-6)² = √72 = 8.5

DA = √(-3+3)²+(3-2)² =√1 = 1

Since perimeter of the quadrilateral = sum of lengths of all sides

Perimeter = 7 + 5.1 + 8.5 + 1 = 21.6

8 0
3 years ago
Read 2 more answers
How do i check an equation for extraneous solutions?
Marina86 [1]
Example:

\sqrt x(x+1)=0

This suggests two solutions, x=0 and x=-1.

However, upon plugging these solutions back into the equation, you get

\sqrt0(0+1)=0(1)=0

which checks out, but

\sqrt{-1}(1-1)=0

does not because \sqrt x is defined only for x\ge0 (assuming you're looking for real solutions only). So, we call x=-1 an extraneous solution, and the complete solution set (over the real numbers) is x=0.
7 0
3 years ago
Read 2 more answers
- 21-p-11)<br><br> Giving branliest
posledela

Answer:

-32-p

Step-by-step explanation:

you combine the like terms which would be -21 and -11. that gives you -32 and -p is just by its self since there are no terms to combine it with

6 0
2 years ago
Simon (Mr. Lovett) completed 4 sets of chin-ups. Every set he reached a different prime number of chin-ups. Knowing this, what n
Vsevolod [243]

Answer:

answer is b!

Step-by-step explanation:

hope this helps!!!

8 0
3 years ago
The length of a shadow of a building is 28m. The distance from the top of the building to the shadow is 38m. Find the height of
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It appears that the Pythagorean theorem can be applied to this problem
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Then the height of the building is
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