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BARSIC [14]
4 years ago
11

Slope = four fifths ,y-intercept = -1

Mathematics
1 answer:
Nadya [2.5K]4 years ago
5 0
Slope-intercept form:
y=mx+b

m=slope
b=y-intercept 

Data:
m=4/5
b=-1

y=mx+b
y=(4/5)x-1

Answer: the equation of the line with slope=4/5, and y-intercept=-1 would be:
y=(4/5)x-1
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PLEASE FIND THE VERTEX AND IF IT OPENS UP OR DOWN ON A GRAPH!
Margaret [11]

Answer:

There's no negative sign in front of the absolute value so it opens upward. As for the vertex, the x value will be whatever makes what is in the absolute value symbols 0 which is 2.5 in our case and the y-coordinate is 3 so the vertex is (2.5, 3).

3 0
3 years ago
Find the value of each variable<br>A. x=38,y=76<br>B. x=52,y=76<br>C. x=38,y=104<br>D. x=52,y=104
bearhunter [10]

The 2x and 76 are opposite angles so they are equal.

2x = 76

x = 38 degrees

y and 76  are adjacent angles so y = 180 - 76

= 104 degrees

4 0
3 years ago
If George is 33 1/3% richer than Pete, than Pete is what percent poorer than George?
OleMash [197]

Answer:

25%

Step-by-step explanation:

George is 33\frac{1}{3}% (\frac{100}{3}%) richer than Pete. Let Pete's percentage of wealth be 100%.

Thus George percentage of wealth = 100% + \frac{100}{3}%

                                                           = \frac{400}{3}%

                                                           = 133\frac{1}{3}%

Pete's percent poorer than George can be determined by;

                                                           = (\frac{100}{3}) ÷ (\frac{400}{3} ) × 100

                                                           = (\frac{100}{3}) × \frac{3}{400} ×100

                                                           = 0.25 × 100

                                                           = 25%

Pete is 25% poorer than George.

3 0
3 years ago
Number 2: (look at pivture) 10 point
PolarNik [594]

Answer:

A

Step-by-step explanation:

Because the arrow is going 2 in the right direction...so you have to have the 2 in the equation...

and the reason it equals 5 instead of a (-) number is because of the KCC rule

so basically the equation is 2+3

or if you don't want the long way just look at all of the equations...only one of the have a 2 in it so it is automatically the correct answer

3 0
3 years ago
Read 2 more answers
Find the equation of the exponential function represented by the table below:
UNO [17]

Answer:

Step-by-step explanation:

If this is an exponential function, it is of the form

y=a(b)^x  where x and y are coordinates from your table, a is the intial value, and b is the growth/decay rate.  To find out what the equation is that represents this data, choose 2 points and solve first for a and then for b.  Just a hint:  If at all possible, choose the coordinate that gives you an x of 0.  You'll see why in a minute.  

I chose the first 2 points from your table: (0, .2) and (1, .8).  Solving first for a:

.2=a(b)^0  The reason to choose the x of 0 as one of your points is because anything raised to the power of 0 is 1.  So our equation then becomes:

.2=a(1) so

a = .2   Easy enough.  

Now use that value along with the other coordinate to solve for b:

.8=.2(b)^1  b to the first is just b, so,

.8 = .2b

Divide both sides by .2 and you'll get that

b = 4

The equation, then, is

y=.2(4)^x which is growth, since the value for b is greater than 1.

5 0
3 years ago
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