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nydimaria [60]
3 years ago
12

Solve 3[-x + (2 x + 1)] = x - 1.

Mathematics
2 answers:
Anestetic [448]3 years ago
8 0
X IS NEGATIVE TWO MMMMMMMMMMMMMMMM
torisob [31]3 years ago
3 0

Step-by-step explanation:

3(-x+2x+1)=x-1

3(x+1)=x-1

3x+3=x-1

3x-x=-1-3

2x=-4

x=-2

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MATH HELP!! What is the y-interpret of this line?
Andrew [12]

Answer:

B(0,2)

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5 0
3 years ago
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Which of the following is the graph of:<br>(x-3)^2+(y+1)^2=9?​
Marianna [84]
<h3>Answer: Choice A</h3>

center = (3, -1)

radius = 3

==================================================

Explanation:

Rewrite the y+1 as y-(-1). Rewrite the 9 as 3^2

Then compare to the general form (x-h)^2+(y-k)^2 = r^2

You should find that h = 3, k = -1 and r = 3.

The center is (h, k) = (3,-1) and the radius is r = 3.

Choice A matches with that description.

8 0
3 years ago
On a partly cloudy day, Derek decides to walk back from work. When it is sunny, he walks at a speed of s miles/hr (s is an integ
Setler [38]

Answer:\frac{1}{7}

Step-by-step explanation:

Given

sunny day speed= s mph

Rainy day speed=s+1 mph

Derek average speed =2.8 miles/hr

s<2.8<s+1

so on sunny day speed must be 2 mph

and on rainy day speed must be 3 mph

v_{avg}=\frac{distance}{time\ taken}

Let x be the distance traveled in sunny and y be the distance traveled in rainy weather

2.8=\frac{x+y}{\frac}{x}{2}+\frac{y}{3}}

Let \frac{x}{y}=z

2.8=\frac{z+1}{\frac{z}{2}+\frac{1}{3}}

z=\frac{1}{6}

Fraction of distance traveled on sunny weather

\frac{x}{x+y}=\frac{z}{z+1}=\frac{1}{7}

5 0
3 years ago
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Aleksandr [31]
I think u have to Multiply the 100 and 0.30 and that would be 30
6 0
4 years ago
Could someone give me a list of the common factors? The numbers are 150 and 135. Thanks :)
dexar [7]
First, let's list the factors of each number
150: 1, 150, 2, 75, 3, 50, 5, 30, 6, 25, 10, 15
135: 1, 135, 3, 45, 5, 27, 9, 15
From these lists, we can say for certain that 1, 3, 5, and 15 go into both numbers, so that would be your list of the common factors.

I hope this helps!
4 0
3 years ago
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