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astraxan [27]
1 year ago
14

PLEASE HELP! :) 50 POINTS IF YOU ANSWER

Mathematics
1 answer:
Murrr4er [49]1 year ago
3 0

The error that the student made was that he forgot to square.

<h3>How to Convert From Square Meter to Square Feet?</h3>

The conversion rate of converting meter to feet (linear measurement) is given as:

1 meter = 3.28 feet.

The measures given is in area, therefore, we would need to square when doing our conversion. To convert 3.5 square meter to square feet, do the following:

3.5 m² × (3.28 ft/1 m)² (this is where the student made an error by omitting or forgetting to square)

= 3.5 × 10.8

= 37.8 square feet

Therefore, we can conclude that the error that the student made was that he forgot to square.

Learn more about Converting From Square Meter to Square Feet on:

brainly.com/question/17064816

#SPJ1

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What is the radius of a sphere with a surface area of 100TCm ?
tensa zangetsu [6.8K]

The radius is 5cm

Step-by-step explanation:

The surface area of a sphere is given by:

SA = 4\pi r^2

Here

Given

SA = 100π cm^2

Putting the values in the formula

100\pi = 4\pi r^2\\r^2 = \frac{100\pi}{4\pi}\\r^2 = 25

Taking square root on both sides

\sqrt{r^2} = \sqrt{25}\\r = 5 cm

The radius is 5cm

Keywords: Surface area, Radius

Learn more about surface area of sphere at:

  • brainly.com/question/1388658
  • brainly.com/question/1386181

#LearnwithBrainly

7 0
3 years ago
How do i wright an equation for slope and intercept
Alex17521 [72]

Answer:

Step-by-step explanation:

the slope equation is (y2-y1)/(x2-x1)

3 0
3 years ago
Read 2 more answers
An online data base charges $25 an hour during the day and $12.50 an hour at night. If a research company paid $250 for 12 hours
Firdavs [7]

Answer

Find out the  which system of equations could be used to determine the number of hours charged at the day rate (d) and at the night rate (n) .

To proof

As given in the question

Let us assume that the number of hours charged at the day rate = d

Let us assume that the number of hours charged at the night rate = n

An online data base charges $25 an hour during the day and $12.50 an hour at night. If a research company paid $250 for 12 hours of use.

Total working hour in a company including day and night be  12 hours .

than the equation become in the form

d + n = 12

also

An online data base charges $25 an hour during the day

$12.50 an hour at night.

If a research company paid $250 for 12 hours of use.

than the equation becomes

25d + 12.50n = 250

than the two equation are

d + n = 12 , 25d + 12.50n = 250

multiply first by 25 and subtracted  from 25d + 12.50n = 250

25d - 25d + 12.50n - 25n = 250 - 300

12.5 n = 50

n = \frac{50}{12.5}

n = 4hours

put this in the d + n = 12

d + 4 =12

d = 12-4

d = 8 hours

Therefore the number of hours charged at the day rate  is 8 hours  and at the night rate is  4hours .

Hence proved



4 0
3 years ago
Q.2. Separate the digits of the number "893451" as per National and
LuckyWell [14K]

Answer:

imm a bit sorry I could only answer the international one as the national is equal to international place value system

Step-by-step explanation:

eight hundred ninety three thousand four hundred fifty one

hth tth th h t o

8 9 3 4 5 1

I hope you understand

8 0
3 years ago
Different hotels in a certain area are randomly selected, and their ratings and prices were obtained online. Using technology, w
Savatey [412]

Answer:

a. y= 130x + 350 + \epsilon

b. The symbol y-bar represents the average price of hotels in the area

Step-by-step explanation:

a. The regression line equation is given by:

y=\alpha x + \beta + \epsilon

Where Alpha represents the slope, Beta represents the intercept with the Y axis, and epsilon represents the random component of the model. Thus,

\alpha = 130 y \beta = 350  Obtaining:

y= 130x + 350 + \epsilon.

b.  In a simple linear regression model the value of y-bar represents the average of all values ​​of y observed. Thus, since y represents the prices of the hotels, then y-bar is the average price of hotels in the area.

5 0
3 years ago
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