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2 years ago

Simplify 5 x 52 leaving your answer in index form.

Mathematics

2 answers:

vlada-n [284]2 years ago

8 0

Hey there!

5 * 52

= 52 * 5

= 52 + 52 + 52 + 52 + 52

= 104 + 104 + 52

= 208 + 52

= 260

Possible answer #1: 260

5 * 5^2

= 5 * (5 * 5)

= 5 * 5 * 5

= 25 * 5

= 125

Possible answer #2: 125

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

lions [1.4K]2 years ago

7 0

Step-by-step explanation:

$52 \times 5 = 260$

$so \\ 260 = 26 ^{10}$

hope this was useful

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PLEASE HELP FAST

skad [1K]

Answer:

The unit vector u is (-5/√29) i - (2/√29) j

Step-by-step explanation:

* Lets revise the meaning of unit vector

- The unit vector is the vector ÷ the magnitude of the vector

- If the vector w = xi + yj

- Its magnitude IwI = √(x² + y²) ⇒ the length of the vector w

- The unit vector u in the direction of w is u = w/IwI

- The unit vector u = (xi + yj)/√(x² + y²)

- The unit vector u = [x/√(x² + y²)] i + [y/√(x² + y²)] j

* Now lets solve the problem

∵ v = -5i - 2j

∴ IvI = √[(-5)² +(-2)²] = √[25 + 4] = √29

- The unit vector u = v/IvI

∴ u = (-5i - 2j)/√29 ⇒ spilt the terms

∴ u = (-5/√29) i - (2/√29) j

* The unit vector u is (-5/√29) i - (2/√29) j

8 0

3 years ago

Write an irrational number that can be added to the irrational number the square root of 15 to get a rational sum of 2

aniked [119]

Answer:

Step-by-step explanation:

if u is an irrational number added to a rational number (sqrt 15) to yield 2, then that would mean u would = root -1.78.....

which means you wouldn't have a real solution. if you want a complex answer, it would be sqrt(1.78)i

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3 years ago

Find the probability of at least 6 failures in 7 trials of a binomial experiment in which the probability of success in any one

ziro4ka [17]

The probability of at least 6 failures in 7 trials of a binomial experiment in which the probability of success in any one trial is 9% will be <u>0.000343311 %</u>

<h3>What is the probability?</h3>

Probability is synonymous with possibility. It is concerned with the occurrence of a random event.

Probability can only have a value between 0 and 1. Its simple notion is that something is very likely to occur. It is the proportion of favorable events to the total number of events.

No of failure,n = 7

No of trials,x≥6

A binomial probability is represented as;

$\rm P(x) = nC_x p^z(1-p)^{n-r}$

Substitute the given data;

$P(x \geq 6) = 7C_6 \times 9^6 \times 91-9)^{7-6} +7C_7 (9)^7+(1-9)^{(7-7)}$

$\rm P(x \geq 6) = 0.000000343311 \\\\ P(x \geq6)=0.000343311 \%$

Hence,the probability of at least 6 failures in 7 trials of a binomial experiment in which the probability of success in any one trial is 9% will be <u>0.000343311 %</u>

To learn more about probability, refer to the link: brainly.com/question/795909.

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2 years ago

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just olya [345]

3610.201 this the answer if u want in de imal

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3 years ago

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andreyandreev [35.5K]

Answer: 7 bowls

Step-by-step explanation:

5_ 5/6 divided by 3/4 equals 7.77777

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2 years ago

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