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3 years ago

Are all integers rational numbers?

Mathematics

2 answers:

tino4ka555 [31]3 years ago

8 0

Answer:

yes

Step-by-step explanation:

all integers can be formed from the division of two other whole numbers.

Tcecarenko [31]3 years ago

4 0

Answer:

yes all integers are rational numbers

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With food prices becoming a great issue in the world; wheat yields are even more important. Some of the highest yielding dry lan

Rzqust [24]

Answer:

Option E) 61.6

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 100 bushels per acre

Standard Deviation, σ = 30 bushels per acre

We assume that the distribution of yield is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(X>x) = 0.90

We have to find the value of x such that the probability is 0.90

P(X > x)

$P( X > x) = P( z > \displaystyle\frac{x - 100}{30})=0.90$

$= 1 -P( z \leq \displaystyle\frac{x - 100}{30})=0.90$

$=P( z \leq \displaystyle\frac{x - 100}{30})=0.10$

Calculation the value from standard normal table, we have,

$P(z$

$\displaystyle\frac{x - 100}{30} = -1.282\\x = 61.55 \approx 61.6$

Hence, the yield of 61.6 bushels per acre or more would save the seed.

7 0

3 years ago

The ratio of boys to girls in the entire 6th grade is 3 to 2. Given this ratio, which two class compositions are possible?

gtnhenbr [62]

Answer:

There's an infinite number of possible answers because there might be any multiplication of 3 for boys and any multiplication of 2 for girls. So, for example:

There might be 3 boys and 2 girls.

There might be 6 boys and 4 girls.

There might be 9 boys and 6 girls.

There might be 12 boys and 8 girls.

etc...

In each case the ratio stays the same - 3 : 2.

Of course there probably can't be more than a few dozens of people in one class, but theoretically we can raise the numbers up to infinite.

Step-by-step explanation:hope this help.

7 0

3 years ago

Paul works for a company that deals in paints and dyes. He is paid a fixed monthly salary plus 15 percent commission on monthly

Artemon [7]

If x is the sales amount over $20,000, the function g(x) giving Paul's commission is 0.15x

4 0

3 years ago

The range of a relation is (1 point)

postnew [5]

Hi there!

The answer is:
The range of a relation is the output (y) values of the relation. The range represents the set of the y-coordinates from the ordered pairs.

~ Hope this helps you!

3 0

3 years ago

A new school randomly assigns a five-character student code to every prospective student. The school uses the characters 1, 2, 3

Katarina [22]

Answer:

15120.

Step-by-step explanation:

9!/4!= 15120

7 0

3 years ago