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2 years ago

In the division problem, 0.08 ÷ 2 = 0.04, is 0.08 quotient dividend divisor Choose...

Mathematics

1 answer:

cupoosta [38]2 years ago

3 0

Answer:

Dividen

Step-by-step explanation:

The amount that you want to divide up. dividend ÷ divisor = quotient. Example: in 12 ÷ 3 = 4, 12 is the dividend.

A divisor is the number that the dividen is being divided by

12÷3=4 3 IS THE DIVISOR

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1468:22-6+8888-998=????????

irinina [24]

Answer is 7950,72. You can solve it's task on calculator.

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2 years ago

Find the fifth roots of 243(cos 240° + i sin 240°).

Mazyrski [523]

Answer:

See below.

Step-by-step explanation:

Fifth root of 243 = 3,

Suppose r( cos Ф + i sinФ) is the fifth root of 243(cos 240 + i sin 240),

then r^5( cos Ф + i sin Ф )^5 = 243(cos 240 + i sin 240).

Equating equal parts and using de Moivre's theorem:

r^5 =243 and cos 5Ф + i sin 5Ф = cos 240 + i sin 240

r = 3 and 5Ф = 240 +360p so Ф = 48 + 72p

So Ф = 48, 120, 192, 264, 336 for 48 ≤ Ф < 360

So there are 5 distinct solutions given by:

3(cos 48 + i sin 48),

3(cos 120 + i sin 120),

3(cos 192 + i sin 192),

3(cos 264 + i sin 264),

3(cos 336 + i sin 336).. (Answer).

7 0

3 years ago

Whoever answers this gets brainliest plsss help

Karolina [17]

hope it helped. I have solved in the same paper. plz don't mind.

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2 years ago

Reduce the following expression: (a-b) / (b-a)

Lynna [10]

Answer:

Simplify —————

b - a

1.1 Rewrite (b-a) as (-1) • (a-b)

Canceling Out :

1.2 Cancel out (a-b) which now appears on both sides of the fraction line.

Final result :

-1

Step-by-step explanation:

4 0

1 year ago

In a recent year, grade 8 Washington State public school students taking a mathematics assessment test had a mean score of 281 w

sweet-ann [11.9K]

Answer:

The probability that the mean test score is greater than 290

P(X⁻ > 290 ) = 0.0217

Step-by-step explanation:

Step(i):-

Mean of the Population (μ) = 281

Standard deviation of the Population = 34.4

Let 'X' be a random variable in Normal distribution

Given X = 290

$Z = \frac{x -mean}{\frac{S.D}{\sqrt{n} } } = \frac{290-281}{4.44} = 2.027$

Step(ii):-

The probability that the mean test score is greater than 290

P(X⁻ > 290 ) = P( Z > 2.027)

= 0.5 - A ( 2.027)

= 0.5 - 0.4783

= 0.0217

The probability that the mean test score is greater than 290

P(X⁻ > 290 ) = 0.0217

6 0

2 years ago