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2 years ago

Which statements apply to the expression

Mathematics

1 answer:

bagirrra123 [75]2 years ago

7 0

Answer:

A, C, D, F

Step-by-step explanation:

Given the expression : (3/5)³

Recall :

a^b where, a = base ; b = exponent

In ; (3/5)^3

Base = 3/5 ; exponent = 3

Similarly ;

a^b = a in b places

(3/5)^3 = (3/5) * (3/5) * (3/5)

(3/5) * (3/5) * (3/5) = (3*3*3) / (5*5*5) = 27/125

Hence, A, C, D and F are all correct

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A company manufactures ball bearings for precision machines. The average diameter of a certain type of ball bearing should be 6.

Sindrei [870]

Answer:

(a) =210

(b) = 0.11

Step-by-step explanation:

Sampling distribution of the mean = 50 × 6 × 0.7= 210

Now to get the null divide 0.7 by 6

This gives 0.11

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2 years ago

In the context of draining the pool, AMOUNT OF WATER in the pool is the<br> *Testing lol*

alisha [4.7K]

Answer:

independent variable

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2 years ago

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A rectangular deck has a length of 18 feet and a width of 16 feet. If a hot tub takes up a square that is 4 feet on each side in

xxMikexx [17]

This is super simple! 16 x 18 288. We know it's a square (it has 4 sides) so 4 x 4 = 16. Now the hard part is done. All we have to do is 288 - 16. The answer is 272. 272 is the answer.

Happy studying ^-^

6 0

2 years ago

Please help me,I give up on this.i just don’t get it.

Stolb23 [73]

Answer:

$y = -\frac{4}{5} x - \frac{14}{5}$
$y = \frac{5}{4} x -11$

Step-by-step explanation:

Given line ;

$y = \frac{5}{4} x -3\\\\m = slope\\m = \frac{5}{4}$

1. Perpendicular and passes through (4,-6)

$m_1 = \frac{5}{4} \\\\m_2 = \frac{-1}{m_1} \\\\m_2 = \frac{-1}{\frac{5}{4} } \\\\m_2 = -\frac{4}{5} \\\\(4,-6)=(x ,y)\\$

Substitute the values above into slope intercept form ; y=mx+b and solve for b.

$y =mx+b\\\\-6 = -\frac{4}{5} (4) + b\\\\-6 = -\frac{16}{5} + b\\\\-6 + \frac{16}{5} = b\\\\-\frac{14}{5} = b\\\\b = -\frac{14}{5}\\\\m = - \frac{4}{5}$

Substitute new values into ; y =mx+b.

$y = -\frac{4}{5} (x)- (\frac{14}{5} )\\\\y = -\frac{4}{5} x - \frac{14}{5}$

2.Parallel and passes through (4,-6)

$m = \frac{5}{4} \\\\(4,-6)=(x_1,y_1)$

Substitute values into point slope form and simplify

$y-y_1=m(x-x_1)\\\\y - (-6) = \frac{5}{4} (x -4)\\\\y+6 = \frac{5}{4} x -5\\\\y = \frac{5}{4} x -5-6\\\\y = \frac{5}{4} x -11$

8 0

3 years ago

Which of the following is the number 0.008005 written in scientific notation?

Tcecarenko [31]

A. 8.005 • 10² = 800.5 (Incorrect)

B. 8.500 • 10⁻³ = 0.0085 (Incorrect)

C. 8.005 • 10⁻⁴ = 0.000801 (Incorrect)

D. 8.005 • 10⁻³ = 0.008005 (Correct)

Answer: D. 8.005 • 10⁻³

7 0

2 years ago