MATHEMATICS HIGH SCHOOL

Turn 2 1/2 into a percentage

Answers

Answer 1

Answer:

Answer:

250%

Step-by-step explanation:

(2 1/2) × 100%

= 250%

= 2.5

Answer 2

Answer:

Answer:

it is 250%.

Step-by-step explanation:

Good that the wrong answer was deleted

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78% of 3 feet is inches.

a cylindrical tank has a radius of 15 ft. and a height of 45ft. how many cubic feet of water can the tank hold?

Answers

Try pi times 30 times 45, si. nce diameter is radius x2. 3.14 x 30 x 45 = answer.

Differentiate. y=ln (17-x)

Answers

We have to use the chain rule's

$f(x)=ln(17-x)$

$f[g(x)]=ln[g(x)]$

therefore

$f(u)=ln(u)$

and

$u=g(x)=17-x$

them we have

$f'(x)=f'(u)*g'(x)$

$f'(u)=(1)/(u)$

$g'(x)=-1$

$f'(x)=f'(u)*g'(x)$

$f'(x)=(1)/(u)*(-1)$

$f'(x)=-(1)/(u)$

$\boxed{\boxed{\therefore~f'(x)=-(1)/(17-x)}}$

$y'=(17-x)'\cdot (1)/(ln(17-x)) =- (1)/(ln(17-x)) \n\n \ \ and\ \ \ D: \ 17-x > 0\ \ \ \Rightarrow\ \ \ x<17\ \ \ \Rightarrow\ \ \ D=(17;+\infty)$

Use the formula an = d (n − 1) + aj to write a formula for the arithmetic sequence below.2, 6, 10, 14, 18,

Answers

Answer:

$a_(n)$ = 4n - 2

Step-by-step explanation:

There is a common difference d between consecutive terms in the sequence, that is

6 - 2 = 10 - 6 = 14 - 10 = 18 - 14 = 4

This indicates the sequence is arithmetic with n th term

$a_(n)$ = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 2 and d = 4 , thus

$a_(n)$ = 2 + 4(n - 1) = 2 + 4n - 4 = 4n - 2

How do you workout how many sixths there are in 3 1/3???

Answers

$3(1)/(3)=(10)/(3)$
$(3(1)/(3))/((1)/(6))=3(1)/(3)*6=(10)/(3)*6=(60)/(3)=20$

$3(1)/(3)--x\n (1)/(6)--1\n x=20$

Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 17. What percentage of people has an in score between 83 and 117

Answers

To find the percentage of people with an IQ score between 83 and 117, we need to find the area under the bell-shaped curve between these two scores.

First, we need to standardize the scores by subtracting the mean from each score and dividing by the standard deviation.

For a score of 83:

Standardized score = (83 - 100) / 17 = -1

For a score of 117:Standardized score = (117 - 100) / 17 = 1

Now, we can find the area under the curve between these standardized scores using a standard normal distribution table or calculator.

Using a standard normal distribution table, we can find the area for a standardized score of -1 as 0.1587. This represents the percentage of people below a score of 83.

Similarly, the area for a standardized score of 1 is 0.8413, representing the percentage of people below a score of 117.

To find the area between these two scores, we subtract the area below 83 from the area below 117:

0.8413 - 0.1587 = 0.6826

So approximately 68.26% of people have an IQ score between 83 and 117.

Variable p is 2 more than variable d. Variable p is also 1 less than variable d. Which pair of equations best models the relationship between p and d? p = d + 2
p = d – 1
p = d – 2
p = d + 1
d = 2p
d = 2p – 1
d = 2p
d = 2p + 1

Answers

If you would like to find a pair of equations that best models the relationship between p and d, you can do this using the following steps:

p is 2 more than d ... p = d + 2
p is 1 less than d ... p = d - 1

The correct result would be p = d + 2 and p = d - 1.

The pair of equations that models the relationship between p and d are expressed as: p = d + 2, and p = d - 1.

What is an Equation?

An equation is used to represent a situation using variables (letters) and figures.

"p is 2 more than d" can be expressed as: p = d + 2.

Also, we can represent the statement, "p is 1 less than d" as: p = d - 1.

Therefore, the pair of equations would be: p = d + 2, and p = d - 1.

Learn more about equations on:

brainly.com/question/25678139

#SPJ5

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