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Otrada [13]
3 years ago
13

-3(1+6r)+12=14. solve for r

Mathematics
2 answers:
emmasim [6.3K]3 years ago
6 0

Answer: r = -5/18


Step-by-step explanation: You solve -3(1+6r)+12=14

-3-18r+12=14 (When distributed)

-18r+9=14

-18r=5

r=-5/18


12345 [234]3 years ago
3 0
R = -5/18
I hope this helps!!
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There are twelve signs of the zodiac. How many people must be present for there to be at least a 50% chance that two or more of
Nutka1998 [239]

Answer:

5

Step-by-step explanation:

Given that each zodiac sign occupies 1/12 of a year.

Then the minimum number of persons for Y[all different signs] < 0.5,

The probability of at least two having the same sign is 1 minus the probability of all having different signs.

This can be represented as A [at least 2 person share the same sign] = 1 - Y[all different signs] must be > 0.5

Therefore we have 1 - 12/12 *11/12 * 10/12 *9/12 *8/12 = 0.38

This implies that the lowest number will be found to be 5

Hence, the correct answer is 5.

4 0
3 years ago
Help- ASAP please (25 points)
Alina [70]

Answer:

(t^2 -4) (t^2 +4)

(t-2)(t+2)(t^2+4)

Step-by-step explanation:

t^4 - 16

We can write this as the difference of squares

We know the dfference of squares is

(a^2 - b^2) = (a-b) (a+b)

( t^2 ^2 - 4^2) = (t^2 -4) (t^2 +4)

We can write t^2 -4 as the difference of squares

t^2 -4 = t^2 -2^2 = (t-2)(t+2)

Replacing this in

( t^2 ^2 - 4^2) = (t^2 -4) (t^2 +4) =  (t-2)(t+2)(t^2+4)

8 0
4 years ago
Read 2 more answers
What is the equation of the line that is parallel to the line y = 1/3x + 4 and passes through the point (6, 5)?
Gnom [1K]
--------------------------------------------------
Find Slope
--------------------------------------------------
y = -1/3 x + 4                                      
Slope = -1/3                                       
Slope of the parallel line = -1/3          


--------------------------------------------------
Insert slope into y = mx + c
--------------------------------------------------
y = -1/3 x + c                                  

--------------------------------------------------
Find y-intercept
--------------------------------------------------
y = -1/3 x + c                                   
at point (6, 5)
5 = -1/3 (6) + c                                 
5 = - 2 + c                                         
c = 5 + 2                                         
c = 7

--------------------------------------------------
Insert y-intercept into y = -1/3x + c
--------------------------------------------------
y = -1/3 x + 7 

--------------------------------------------------
Answer: y = -1/3 x + 7 (Answer B)
-------------------------------------------------- 
6 0
4 years ago
Mr. E makes oatmeal raisin cookies by mixing 3 pounds of cookie dough and 6 quarts of raisins. Assume that he continues to use t
Dimas [21]

Answer:

24 pounds

Step-by-step explanation:

48 quarts of raisins divided by 6 is equal to 8.

So 3 pounds of cookie dough times 8 = 24.

<em>24 pounds of cookie dough.</em>

8 0
3 years ago
PLEASEEEE ANSWER THIS IM BEING TIMED AND SHOW YOUR WORK ILL GIVE TOU BRAINLIST IF YOU DO!!!!
Gelneren [198K]
Put that in the calculator changing the + or - sign both times tp find x

5 0
3 years ago
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