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Svetllana [295]
3 years ago
15

How do you represent real-world problems involving ratios and rates with tables and graphs?

Mathematics
2 answers:
nalin [4]3 years ago
7 0
It's about the science of predictions that says how the world will be in future . Then, there's also Statistics that also shows the way our world is evolving. Thirdly, forecasting has equal importance in doing that, like town population graphs or cow growth rate. All these use graphs and ratios in order to get a visual information about our enquiries, be it in Medicine, Biology, the Earth movement or the Universe.
Step2247 [10]3 years ago
3 0
You represent the problems by writing real world situations.
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What value of x makes this equation true?
Flauer [41]

Answer:

27

Step-by-step explanation:

27/3-3=6 and 27/9+3=6

so both sides are equal to each other which makes the equation true.

7 0
3 years ago
A survey of students at a university shows that 3out of 4 drinks coffee. of the students who drink coffee, 1 out of 5 add cream
Snezhnost [94]

Answer:

1200

Step-by-step explanation:

The number who drink coffee is 3/4 of 8000, so ...

... (3/4)×8000 = 6000.

Of those, 1/5 add cream, so the number of coffee drinkers who add cream to their coffee is ...

... (1/5)×6000 = 1200.

_____

<em>Alternate solutions</em>

We have computed ...

... (1/5)×((3/4)×8000) = 1200

Since multiplication is associative, you can multiply the fractions first, if you wish:

... ((1/5)×(3/4))×8000 = (3/20)×8000

... = 24000/20 = 1200

or

... = 3×(8000/20) = 3×400 = 1200

6 0
3 years ago
What is the solution to this equation?<br> x-8=15<br><br> A)x=13<br> B)x=17<br> C)x=7<br> D) x=23
Blababa [14]

Hi there! :)

<u><em>Answer:</em></u>

<u><em>x=23</em></u>

<u><em>*The answer must have a positive sign.*</em></u>

Step-by-step explanation:

This lesson it's about addition property of equality.

First, you add by 8 from both sides of an equation.

x-8+8=15+8

And then, you add by the numbers. Simplify and solve.

15+8=23

Final answer: → x=23

Hope this helps!

Thanks!

-Charlie

Have a great day!

:)

:D

3 0
3 years ago
How much of the circle is shaded? Write your answer as a fraction in simplest form. 1/3 and 1/7
Ludmilka [50]

Answer:

11/21

Step-by-step explanation:

1/3=7/21

1/7=3/21

(7+3)/21=10/21

21/21-10/21=11/21

Thus 11/21 of the circle is shaded.

6 0
3 years ago
3. The product of and<br>29<br>-26<br>3<br>is ...​
eimsori [14]

Answer:

(29-26) * 3 = 9

Step-by-step explanation:

7 0
3 years ago
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