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Bezzdna [24]
2 years ago
15

Your tutor asks you to record the time you spend using IT during the week. You have recorded this time below: Day Time Monday 0.

3 Tuesday 15% Wednesday 1 6 Thursday 0.2 Friday 1 8 On which day did you spend the least amount of time using IT?
Mathematics
1 answer:
NikAS [45]2 years ago
7 0

Let us convert all figures into decimals so that we can compare them easily.

Monday    0.3

Tuesday   15% = 0.15

Wednesday   1/6 = 0.1666

Thursday   0.2

Friday   1/8 = 0.125

Clearly, I spent the least amount of time on Friday using IT and the time is 0.125 or 1/8.


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On a road map, the locations A, B and C are collinear. Location C divides the road from location A to B, such that AC:CB = 1:2.
koban [17]

Answer:

C. (-1,-2)

Step-by-step explanation:

Since C internally divides AB in the ratio AC/CB = 1/2 = m/n where m = 1 and n = 2, we use the formula for internal division.

Let A = (x₁, y₁) = (5, 16), B = (x₂, y₂) and C = (x, y) = (3, 10)

So x = (mx₂ + nx₁)/(m + n)

y = (my₂ + ny₁)/(m + n)

Substituting the values of the coordinates, we have

x = (mx₂ + nx₁)/(m + n)

3 = (1 × x₂ + 2 × 5)/(2 + 1)

3 = (x₂ + 10)/3

multiplying through by 3, we have

9 = x₂ + 10

x₂ = 9 - 10

x₂ = -1

y = (my₂ + ny₁)/(m + n)

10 = (1 × y₂ + 2 × 16)/(2 + 1)

10 = (x₂ + 32)/3

multiplying through by 3, we have

30 = y₂ + 32

y₂ = 30 - 32

y₂ = -2

So, the coordinates of B are (-1, -2)

3 0
2 years ago
Problem number 26 of the Rhind Papyrus says: Find a quantity such that when it is added to StartFraction 1 Over 4 EndFraction of
STALIN [3.7K]

Answer:

The quantity is 12

Step-by-step explanation:

Here, we want to find the solution to the equation.

Let the quantity we are looking for be x;

According to the question;

The quantity plus a quarter of the quantity = 15

x + 1/4(x) = 15

x + x/4 = 15

Multiply through by 4

4x + (x/4)*4 = 15 * 4

4x + x = 60

5x = 60

x = 60/5

x = 12

5 0
2 years ago
Read 2 more answers
A plumber charges a fixed fee for coming to your house, then charges a fixed amount per hour on top of this. X= the time the job
Andreyy89

Step-by-step explanation:

 This problem expects us to model the equation for the total cost of the services of the plumber given the conditions stated.

Say the fixed amount charged for coming to your house is $10

say the fix amount charged per is $3

and the time spent to do the job is X

Hence the scenario can be modeled as

Y= 3x+10

the equation is similar to the equation of a straight line

Y= mx+c

3 0
2 years ago
A new car is purchased for 16400 dollars. The Value of the car depreciates at 8.25% per year . What will The value of the car be
Solnce55 [7]
$6932.73.
Step-by-step explanation:
Principal = $16400
Rate of decrease = 8.25%
Now we are supposed to find What will the value of the car be, to the nearest cent, after 10 years?
Formula :
where A is the amount
r is the rate of decreasing in % =8.25%
t is the time =10
P is the principal =$16400
Substituting the values:


Hence the value of the car after 10 years will be $6932.73.

Read more on Brainly.com - brainly.com/question/3122273#readmore
8 0
2 years ago
Alana only has $56.47 saved for college, Brainstorm possible reasons why she has only managed to save this
LUCKY_DIMON [66]

Answer:

She could've spent more than she was making in a pay check

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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