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irina1246 [14]
3 years ago
7

Factor 49a2 + 7a - 6.

Mathematics
1 answer:
Oxana [17]3 years ago
7 0
The answer of the question is B
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What is the probability of rolling a sum of 3 on a standard pair of six-sided dice?
salantis [7]

To solve this problem, let us recall that the formula for probability is:

Probability = total number of successful events / total events

 

Where in this case, an event is considered to be successful if the sum is 3 on the pair of six sided dice.

 

First, let us calculate for the total number of events. There are 6 numbers per dice, therefore the total number of combinations is:

total events = 6 * 6 = 36

 

Next, we calculate for the total number of combinations that result in a sum of 3. We can identify that there are only two cases that result in sum of 3. That is:

1st case: first dice rolls 1, second dice rolls 2

2nd case: first dice rolls 2, second dice rolls 1

 

Hence, total number of successful events = 2. Therefore the probability is:

Probability = 2 / 36 = 1 / 18 = 0.0556 = 5.56%

5 0
3 years ago
Solve the equations -9x + 2y = 23 and -4x - y = -3
Ira Lisetskai [31]

Answer:

(-1,7)

Step-by-step explanation:

-9x + 2y = 23

-4x - y = -3

multiplying equation 2 by 2

-9x + 2y = 23

-8x - 2y = -6

adding the two equation to cancel out y

-17x = 17

x = -1

plugging back x = -1 into the second equation

4 - y = -3

-y = -7

y = 7

8 0
2 years ago
Read 2 more answers
A motorist traveled 311 miles on 12 gallons of gas. To the nearest tenth, how many miles can the motorist travel on one gallon o
allsm [11]
The motorist can travel 25.92 miles on one gallon of gas
6 0
3 years ago
Read 2 more answers
Solve for n. then find the value of m for each value of n<br> 8n=-3m+1
Eva8 [605]
Basically, solve for n, then find aanother tha is solve for m


8n=-3m+1
divide both sides by 8
n=-3/8m+1/8

and find m
8n=-3m+1
minus 1 both sides
8n-1=-3m
divide both sides by -3
-8/3n+1/3=m
m=-8/3n+1/3

6 0
3 years ago
Consider the function represented by 9x + 3y=12 with x as the independent variable. How can this function be written using funct
agasfer [191]

Answer: f(x)=−3x+4

Step-by-step explanation:

In a function  

y

=

f

(

x

)

,  

x

is the independent variable and  

y

is the dependent variable.

So to represent the given equation as a function, it is just enough to solve it for  y

3 0
2 years ago
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