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Vesnalui [34]
3 years ago
15

Suppose the side length of a square A is 12cm and the side lengh of square B is 10cm. What is the area of square c If the three

squares form a right triangle
Mathematics
1 answer:
kirill [66]3 years ago
5 0

Answer:


Step-by-step explanation:

If the sides of square a and b are the legs of the right triangle, then we can use the quadratic equation to find the hypotenuse, which would be made with square c's length.

a^2 + b^2 = c^2

10^2 + 12^2 = c^2

100 + 144 = c^2

244 = c^2

\sqrt{244} = c

Now since this is the side length, we then square that number to get the area.

\sqrt{244} ^ 2 = 244 cm

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In 1992, the population of Seoul. South Korea was 17,334,000. In 1995, the population of Seoul was 19,065,000. Find the average
gizmo_the_mogwai [7]
577,000, there is an average change of 577,000 people per year.

To find the average rate of change of the population of people per year, we first need to find the population change per any amount of time, and then divide by how much time that is (in this case, three years). We can find the population change by <u>subtracting </u>the values 17,334,000 and 19,065,000. Subtracting them, we get a change of 1,731,000 in three years. Now, to find the average rate of change of the population in people per year, we divide by three, which gives us our answer of 577,000 people, on average, per year. 
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3 years ago
I need hellp quick tha answer are 1,2,3,4,5 / 1,2,3,4,5
SVEN [57.7K]
Lemme check in Google for u
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4 years ago
What is the number 21.0384 rounded to the nearest hundredth?
Anton [14]

Answer:

21.04

Step-by-step explanation:

the 8 is closest to 10 so that would make the 3 a 4.

3 0
3 years ago
Plz help!! marking brainiest!! (btw jus to clarify, i dont have three questions, they're jus graphs)
Ulleksa [173]

Answer:

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Greta currently works 45 hours per week and earns a weekly salary of $729. She
marissa [1.9K]

Answer:

Greta will be earning 3.6/h more at her new job.

Step-by-step explanation:

To find the difference subract Greta‘s salary from her current job from Greta’s salary from her future job.

To find Greta’s salary (numerator) at her future job divide her current weekly salary ($729) by 45h then multiply that answer (16.2) by the increase in salary 10% or 1.1. You should end up with $17.82- this is your numerator. To find the denominator divide her current hours (45h) by 45 then multiply that answer (1) by 0.9 which is the 10% decrease in hours. Now you have a fraction ($17.82/0.9) then multiply that fraction by 1.1/1.1 to get the denominator to 1 hour so you can subtract the fractions. You should end up with $19.8/h.

Now subtract Greta’s current salary ($16.2/h)- you just take the numbers from the first part before you increase or decrease- from her future salary ($19.8/h), you will end up with 3.6/h.

I was challenged to write this in a single equation:

[((($729\45h)x1.1)/((45h\45)x0.9))x1.1/1.1]-[($729\45h)/(45h\45)]

=$3.6/h

/ means a fraction bar

\ means division

Also I am just a student so please tell me if you find any mistakes I could fix or any suggestions to make this a better explanation, and if you have any questions ask away.

4 0
3 years ago
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