MATHEMATICS HIGH SCHOOL

Should i restart my cumputer to see if my khan % will go up if i keep getting 100 on my work

Answers

Answer 1

Answer:

Answer:

whats you mean

Step-by-step explanation:

Answer 2

Answer: Answer
I believe refreshing your page would be enough

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If postage costs $.54 for the first ounce and $.22 for the each additional ounce, calculate the cost of mailing a 10- ounce envelope. A. $2.20 B. $5.08 C. $2.52 D. $5.40
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The area of a square picture frame is 55 square inches. Find the length of one side of the frame. Explain to the nearest whole inch.

Answers

Given:

The area of a square picture frame is 55 square inches.

To find:

The length of one side of the frame.

Solution:

Let the length of one side of the frame is x inches.

Area of square is

$Area=a^2$

where a is side length.

Area of frame is

$Area=x^2$

$55=x^2$

Taking square root on both sides.

$√(55)=x$

$x=7.4161985$

$x\approx 7$

$49<55<64$ , so $7<√(55)<8$ . Since 55 is closer to 49, therefore, $√(55)$ is closer to 7.

Therefore, the length of one side of the frame is 7 inches.

What is the disadvantages of using a credit card

Answers

Bad credit is a disadvantage especially when you have to pay back the money used from the credit card

The table shows the estimated number of lines of code written by computer programmers per hour when x people are working. Which model best represents the data?

A.) y = 47(1.191)x

B.) y = 34(1.204)x

C.) y = 26.9x – 1.3

D.) y = 27x – 4

Answers

Answer:

Hence, the model that best represents the data is:

$y=26.9x-1.3$

Step-by-step explanation:

We are given a table that shows the estimated number of lines of code written by computer programmers per hour when x people are working.

We are asked to find which model best represents the data?

So for finding this we will put the value of x in each of the functions and check which hold true that which gives the value of y i.e. f(x) as is given in the table:

We are given 4 functions as:

$y = 47(1.191)^x$

$y=34* (1.204)^x$

$y=26.9x-1.3$

$y=27x-4$

We make the table of these values at different values of x.

x A B C D

2 66.66 49.3 52.5 50

4 94.57 71.44 106.3 104

6 134.14 103.57 160.1 158

8 190.27 150.14 213.9 212

10 269.91 217.64 267.7 266

12 382.85 315.5 321.5 320.

Hence, the function that best represents the data is:

Option C.

y=26.9x-1.3

The exponential function gotten from the table is y = 34(1.204)ˣ

Exponential function

An exponential function is in the form:

y = abˣ

where y, x are variables, a is the initial value of y and b is the multiplier.

Let y represent the lines of code written by x people.

From the table using the points:

(2,50) and (12, 320)

At (2, 50):

50 = ab² (1)

At (12, 320):

320 = ab¹² (2)

From equation 1 and 2:

b = 1.204, a = 34

The exponential function gotten from the table is y = 34(1.204)ˣ

Find out more on Exponential function at: brainly.com/question/12940982

I am greater the 4 tens and less then 5 tens.i have 9 ones what am i ?

Answers

49...

Think of four 10's as
40

And five 10's as
50

It states that you have 9 ones so add to 40
or subtract from 50

49 is more than 40
49>40
and is less than 50
49<50

Good Luck future questions :)

Lydia wrote 4 1/2 pages of her science report in one hour. what was her writing rate in pages per minute?

Answers

Lydia wrote3/40 pages of her science report in one minute and her writing rate in pages per minute would be 0.075 in decimal form.

What is the fraction?

A fraction is defined as a numerical representation of a part of a whole that represents a rational number.

What are Arithmetic operations?

Arithmetic operations can also be specified by adding, subtracting, dividing, and multiplying built-in functions.

We have been given that Lydia spent an hour writing her 4-and-a-half-page science report.

We initially convert an hour into minutes in order to answer this question.

∵ one hour = sixty minutes

Here fraction 4 1/2 which is equal to fraction 9/2 i.e. 4.5 in decimal form

After that, we divided 4 1/2 by 60. The solution is 0.075 in decimal form. That equals 3/40 when expressed as a lowest terms fraction.

Therefore, she wrote 3/40 pages of her science report in one minute.

Learn more about the fraction here:

brainly.com/question/10354322

#SPJ5

To solve this question, I first converted one hour into minutes. (60 minutes)

Then I divided 4 1/2 into 60. As a decimal, the answer if 0.075. If you convert that into a lowest terms fraction, you get 3/40.

What is the radius for this given equation? (x^2+10x) + (y^2-8y)=59