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mash [69]
3 years ago
5

Do the ratios 9:20 and 3:4 form a proportion?

Mathematics
2 answers:
saul85 [17]3 years ago
6 0
900 3:5 thats it ok akkajs
laila [671]3 years ago
4 0

Answer:

No

Step-by-step explanation:

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Maria can read 20 pages of economics in an hour. She can also read 50 pages of sociology in a hour. She...? Maria can read 20 pa
denis-greek [22]
B.) Marua will spend 2 hours to read 100 pages of sociology which means she can only read 60 pages of economics.
Therefore, the opportunity cost of reading 100 pages of sociology is forfeiting 40 pages (2 hours) of economics.
8 0
3 years ago
How can these models be used to find the sum 1.8 + 1.56?
enyata [817]

Answer:

The sum of  1.8 and 1.56 is 3.36 according to the model

Sum of decimals

Given the expression  1.8 + 1.56

Using the partial sum method

1.8 + 1.56 = (1.0 + 0.8) + (1.0+0.56)

Regroup as whole and decimal number

1.8 + 1.56 = (1.0 + 1.0) + (0.8 +0.56)

1.8 + 1.56 = 2.0 + 1.36

1.8 + 1.56 = 3.36

Hence the sum of  1.8 and 1.56 is 3.36 according to the model

3 0
2 years ago
The number of rows in an auditorium can be represented by the function f(x) = 80x. the number of seats in each row can be repres
Dominik [7]

Applying multiplication of functions, the total number of seats in the auditorium is given by:

h(x) = 80x² + 560x.

<h3>How polynomial functions are multiplied?</h3>

They are multiplied applying the distributive property, that is, all the terms are multiplied and then the common terms are added.

In this problem, the functions are given as follows:

  • f(x) = 80x.
  • g(x) = x + 7.

Then the multiplication is:

h(x) = f(x)g(x) = 80x(x + 7) = 80x² + 560x.

More can be learned about multiplication of functions at brainly.com/question/13136492

#SPJ1

4 0
2 years ago
5+9÷3×2-1+5×2. clarify to equal 20 or 18​
aleksandrvk [35]

Answer:

its 20

Step-by-step explanation:

PEMDAS.

5 0
2 years ago
I need help plz I don't understand it this is the whole problem
Elenna [48]

a- b-4 because you switch the places when it says fewer than, or less than

b-12f

c-s+8


6 0
3 years ago
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