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2 years ago

Get confused with all the powers??? Answer??

Mathematics

2 answers:

ale4655 [162]2 years ago

8 0

Hello There!

The rules with powers or exponents are:
If you multiply, you add them
If you divide, you subtract them
And if you multiply with brackets, you multiply the numbers.
Therefore this is what you get:
49 $d^{16}$

Hope This Helps You!
Good Luck :)

Paul [167]2 years ago

8 0

(7d^8)²

7 x 7 = 49

(d^8)² = d^64

d^64 + 49 is your answer

hope this helps

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Quincy has $37 in a savings account

Rudik [331]

Answer:

The 2nd answer would be the correct option.

Step-by-step explanation:

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2 years ago

Conditional statement:If the dog barks,thensomeone is at the door.

vesna_86 [32]

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2 years ago

In a genetics experiment on peas, one sample of offspring contained green peas and yellow peas. Based on those results, estimate

dem82 [27]

Complete Question

In a genetic experiment on peas, one sample of offspring contained 436 green peas and 171 yellow peas. Based on those results, estimate the probability of getting an offspring pea that is green. Is the result reasonably close to the value of 3/4 that was expected? The probability of getting a green pea is approximately: Is the probability reasonably close to 3/4?

Answer:

The probability is $P(g) =0.72$

Yes the result is reasonably close

Step-by-step explanation:

From the question we are told that

The number of of green peas is $g = 436$

The number of yellow peas is $y = 171$

The sample size is $n = 171 + 436 = 607$

The probability of getting an offspring pea that is green is mathematically represented as

$P(g) = \frac{g}{n}$

$P(g) = \frac{436}{607}$

$P(g) =0.72$

Comparing $P(g) =0.72$ to $\frac{3}{4} = 0.75$ we see that the result is reasonably close

7 0

3 years ago

Professor York randomly surveyed 240 students at Oxnard University and found that 150 of the students surveyed watch more than 1

BaLLatris [955]

Answer:

1727 students

Step-by-step explanation:

Here we have the formula for sample size given as

$n = \frac{p(1-p)z^2}{ME^2}$

Where:

p = Mean

ME = Margin of error = 3

z = z score

Therefore, we have

p = 150/240 = 0.625

z at 99 % = 2.575

ME = $\pm$ 3%

Therefore $n = \frac{0.625(1-0.625)2.575^2}{0.03^2} = 1726.73$

The number of students Professor York have to sample to estimate the proportion of all Oxnard University students who watch more than 10 hours of television each week within ±3 percent with 99 percent confidence = 1727 students.

5 0

3 years ago

Help please

Digiron [165]

Answer:

Option C.

Step-by-step explanation:

Shortest way to solve this question is to find the factors of the given expression.

The given expression is (x² + 13).

Now we have to factorize it.

(x² + 13) = x² + (√13)²

= x² + [-(i)²√(13)²] [Since i = √(-1)]

= x² - (i√13)²

= (x - i√3)(x + i√3) [Since (a² - b²) = (a + b)(a - b)]

Option C will be the answer.

7 0

2 years ago