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3 years ago

Find the binomial which is a common factor of:-plz ans it fast...

Mathematics

1 answer:

galina1969 [7]3 years ago

7 0

Step-by-step explanation:

step 1. why are you in a hurry?

step 2. a binomial that is a common factor of 121 - 25x^2 and 25x^2 + 55x + 121.

step 3. the factors. of 121 - 25x^2 are (11 - 5x)(11 + 5x).

step 4. the factors of 25x^2 + 55x + 121 are (5x + 11)(5x + 11).

step 5. the common factor is 5x + 11.

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Two six sided dice are rolled and the two dice equals 7. what is the probability that one die is a 3

irinina [24]

Let us solve the problem step by step.

here we have rolled two dice. So total no. of possible outcomes will be 6^2=36. These are (1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(2,1),(2,2),(2,3),(2,4),(2,5),(2,6),(3,1),(3,2),(3,3),(3,4),(3,5),(3,6),(4,1),(4,2),(4,3),(4,4),(4,5),(4,6),(5,1),(5,2),(5,3),(5,4),(5,5),(5,6),(6,1),(6,2),(6,3),(6,4),(6,5),(6,6).

Now, among these cases the cases where the sum is seven for (1,6), (2,5), (3,4), (4,3), (5,2), (6,1) i.e. there are 6 cases.

Now, it is time to calculate the probability.

The required probability is,

p = (No. of cases favorable for the event)/(Total no. of cases)

=6/36 = 1/6

<h2>Therefore your answer is 1/6.</h2>

5 0

3 years ago

Flicia has an alarm system for her home she paid $80 to have the alarm installed and pay $45.50 each month how much does she spe

Alex17521 [72]

Answer:

1000.+1999 add that and you will get your Answer go on go get you math book

Step-by-step explanation:

it will be like 10X10=100

5 0

4 years ago

Read 2 more answers

Solve the equation √x-7=3

loris [4]

Answer:

Step-by-step explanation:

√x - 7 = 3 {add 7 to bothe sides}

√x - 7 + 7 = 3 + 7

√x + 0 = 10

√x = 10

Square both sides,

(√x)² = 10²

x = 100

5 0

3 years ago

Victoria is interested in opening her own candy store. She has researched and found that of the 14 stores she investigated, the

Anna71 [15]

Answer:

99% confidence interval for the average start up cost is [76.575 , 123.425].

Step-by-step explanation:

We are given that of the 14 stores Victoria investigated, the average start up cost is 100 thousand dollars with a standard deviation of 29.1 thousand dollars.

So, the pivotal quantity for 99% confidence interval for the population average start up cost is given by;

P.Q. = $\frac{\bar X - \mu}{\frac{s}{\sqrt{n} } }$ ~ $t_n_-_1$