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docker41 [41]
3 years ago
15

Choose the correct equation for the line shown on the graph?

Mathematics
2 answers:
MissTica3 years ago
8 0

Answer:

y = -1/4x - 1

Step-by-step explanation:

y=mx+b

the y intercept is -1, and the slope is up one, left four


Tcecarenko [31]3 years ago
6 0

Answer:

y=-1/4x-1

Step-by-step explanation:

The Y intercept is at -1 so the end of the equation should be -1 and not -4.

The graph is decreasing by 1 block down every 4 blocks to the right so the equation needs -1/4x as the slope.

Sorry I'm bad at explaining this.

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5. (05.03 LC) What is the simplified form of the quantity of x plus 5, all over the quantity of 3x plus 4 + the quantity of x pl
earnstyle [38]

Answer:

B. \frac{4x^{2}+24x+31}{3x^{2}+13x+12}

Step-by-step explanation:

We have been given a rational expression \frac{(x+5)}{(3x+4)}+\frac{(x+4)}{(x+3)} and we are asked to simplify our rational expression.

We can see that our denominators are not equal. Since the two denominators do not share any common factors, the common denominator is simply the product of these two denominators.      

To keep the value of expression same we will multiply the same quantity with numerators and denominators.

\frac{(x+5)(x+3)}{(3x+4)(x+3)}+\frac{(x+4)(3x+4)}{(x+3)(3x+4)}  

Now let us simplify our expression using FOIL.  

\frac{x^{2}+3x+5x+15}{3x^{2}+9x+4x+12}+\frac{3x^2+4x+12x+16}{3x^{2}+4x+9x+12}

\frac{x^{2}+8x+15}{3x^{2}+13x+12}+\frac{3x^2+16x+16}{3x^{2}+13x+12}    

Now we have same denominators, so we can add our numerators.

\frac{x^{2}+8x+15+3x^2+16x+16}{3x^{2}+13x+12}    

Now let us combine like terms.

\frac{(1+3)x^{2}+(8+16)x+15+16}{3x^{2}+13x+12}  

\frac{4x^{2}+24x+31}{3x^{2}+13x+12}  

Therefore, the simplest form of our given rational expression will be \frac{4x^{2}+24x+31}{3x^{2}+13x+12}  and option B is the correct choice.

8 0
3 years ago
Solve the equation.<br> 10= p/10 <br> P=?
Lunna [17]

Answer:

p = 100

Step-by-step explanation:

10 = p/10

multiply both sides of the equation by 10 (the inverse of 1/10, which is 1p/10)

p = 100

please let me know if you have questions about this.

6 0
3 years ago
Exactly 9 years ago, Jeri opened a bank account that earned 2% interest each year. If the account now has $215.12, how much did
MAVERICK [17]
B is the corect aswer
4 0
3 years ago
What is the area of the object above?
valina [46]
Your answer is 104 square inches because you have to find the area of the top rectangle by multiplying 12 x 7, then find the area of the bottom square by multiplying 5 x 4, and then add both answers together which equals 104 square centimeters ;)
7 0
3 years ago
You helped a friend move a short distance recently. The friend rented a
il63 [147K]

Answer:

5 hours

Step-by-step explanation:

if it is 15 an hour in total for the truck and dolly is 5 baseline then 15*5=75+5=80

8 0
3 years ago
Read 2 more answers
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