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LekaFEV [45]
2 years ago
5

A line passes through the points (4,9) and (12,20) what is the slope of the line?

Mathematics
2 answers:
ad-work [718]2 years ago
8 0
Slope form y2-y1 / x2-x1 = m
20 - 9 = 11
12 - 4 = 9

The slope of the line is 11/9
Vanyuwa [196]2 years ago
4 0

Answer:

11/8

Step-by-step explanation:

slope = \frac{y_{2} - y_{1}  }{x_{2} - x_{1}  }

20 - 9 = 11

12 - 4 = 8

slope = 11/8

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Write the explicit formula for the geometric sequence.<br><br> a1 = -5 a2 = 20 a3 = -80
Anni [7]
a_1 = -5;\ a_2 = 20;\ a_3 = -80 \\\\a_2:a_1=r\ and\ a_3:a_2=r\\\\r=20:(-5)=-4\ check\ r=-80:20=-4\\\\a_n=a_1r^{n-1}\to a_n=-5\cdot(-4)^{n-1}=-5\cdot(-4)^{-1}\cdot(-4)^n\\\\=-5\cdot\left(-\dfrac{1}{4}\right)\cdot(-4)^n=\dfrac{5}{4}\cdot(-4)^n\\\\Answer:\boxed{a_n=-5\cdot(-4)^{n-1}\ other\ a_n=\frac{5}{4}\cdot(-4)^n}
6 0
3 years ago
A basket contains four apples and six peaches. You randomly select one piece of fruit and eat it. Then you randomly select anoth
Sveta_85 [38]

Answer:

Answer as a fraction: 4/15

Answer as a decimal: 0.267

The decimal version is approximate rounded to three decimal places.

Step-by-step explanation:

6 apples, 4 peaches

6+4 = 10 pieces of fruit total

The probability of picking an apple is 6/10 = 3/5

After you pick and eat the apple, there are 10-1 = 9 pieces of fruit left. Also, the probability of picking a peach is 4/9, as there are 4 peaches out of 9 fruit left over.

Multiply out 3/5 and 4/9 to get (3/5)*(4/9) = (3*4)/(5*9) = 12/45 = 4/15

Using a calculator, 4/15 = 0.267 approximately.

6 0
2 years ago
QUESTION 27<br>Find the value of p in the equation 2p over 7=7<br><br><br>​
ASHA 777 [7]

Answer:

24.5

Step-by-step explanation:

2p/7 = 7

cross multiply

2p = 49

p = 24.9

5 0
3 years ago
Help help help help help pleases pelass thank you
Elodia [21]

Answer:

a' (-6,7) b' (-5,3) c'(-2,4)

Step-by-step explanation:

5 0
2 years ago
Point P is graphed at(-5,7) on the coordinate plane. Point Q has the same y-coordinate as point P, but is on the other side of t
Sindrei [870]
Point Q is located in the 1st quadrant
point Q's coordinates are (5,7)
6 0
2 years ago
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