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2 years ago

12

Which of the following answers matches “The quotient of 9 and the sum of the quantities 5 and product of 8 and x.”

1 answer:

melamori03 [73]2 years ago

4 0

Answer:

I believe this is the answer 9/(5 + 8x)

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What is a rational number?

slamgirl [31]

Any number that can be rewritten as a simple fraction is a rational number. This means that natural numbers, whole numbers and integers, like 5, are all part of the set of rational numbers as well because they can be written as fractions, as are mixed numbers like 1 ½.

8 0

3 years ago

rationalize the dominator and simplify the following expressions into the simplest possibke surds: i. 8/√2 + 2√50

Akimi4 [234]

Answer:

8/√2 + 2√50

8√2/2 + 2√50

4√2 + 10√2

<u>14√2</u>

<u></u>

4 0

3 years ago

Suppose that 7 female and 5 male applicants have been successfully screened for 5 positions. If the 5 positions are filled at ra

katen-ka-za [31]

Answer:

(a) 350

(b) 175

(c) 21

(d) 196

Step-by-step explanation:

Number of females = 7

Number of males = 5

Total ways of selecting r items from n items is

$^nC_r=\dfrac{n!}{r!(n-r)!}$

(a)

Total ways of selecting 3 females and 2 males.

$\text{Total ways}=^7C_3\times ^5C_2$

$\text{Total ways}=\dfrac{7!}{3!(7-3)!}\times \dfrac{5!}{2!(5-2)!}$

$\text{Total ways}=35\times 10$

$\text{Total ways}=350$

(b)

Total ways of selecting 4 females and 1 male.

$\text{Total ways}=^7C_4\times ^5C_1$

$\text{Total ways}=32\times 5$

$\text{Total ways}=175$

(c)

Total ways of selecting 5 females.

$\text{Total ways}=^7C_5\times ^5C_0$

$\text{Total ways}=21\times 1$

$\text{Total ways}=21$

(d)

Total ways of selecting at least 4 females.

Total ways = 4 females + 5 females

$\text{Total ways}=175+21$

$\text{Total ways}=196$

6 0

3 years ago

What do I have to do

kondaur [170]

Answer:

if you put 4.25 on a number line then the OPPOSITE of that would be going across the 0 on the number line so the answer -4.25

Step-by-step explanation:

if the number is negative its opposite is that number but positive and the same thing if the number is positive its opposite is a negative

8 0

3 years ago

How many students were questioned about the approximate number of text messages they send each day? Explain or

d1i1m1o1n [39]

Do you have anymore information that doesn’t help that much

3 0

3 years ago