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miss Akunina [59]

3 years ago

14

Describe a real-world situation that could be modeled by the binding two rational numbers

1 answer:

ra1l [238]3 years ago

6 0

The example of real life situations is: The cost of 30 green apples is €60
Rox wants to buy only 5 apples, how much will they cost her?

Cost of 30 green apples is €60.
Cost of 1 green apple = €60/30 = €2
(Using the concept of division of rational numbers)
Now, cost for 5 green apples =5 * €2 = €10

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If i have 480 grams of pasta for 4 people how many kilograms will i need for 14 people

Afina-wow [57]

$\bf \begin{array}{ccll} \stackrel{pasta}{grams}&people\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ 480&4\\ g&14 \end{array}\implies \cfrac{480}{g}=\cfrac{4}{14}\implies \cfrac{480}{g}=\cfrac{2}{7} \\\\\\ \cfrac{480\cdot 7}{2}=g\implies 1680=g$

now, there are 1000 grams in one Kilogram, so in 1680 grams, there are 1680/1000 Kilograms, namely 1.680.

7 0

2 years ago

grandymaker [24]

Answer:

see attached

angles: 39.8°, 68.2°; side: 8

Step-by-step explanation:

The triangle and its measurements are shown in the attachment.

_____

If you do this with pencil and paper and protractor, likely your angle measurements will only be to the nearest degree.

8 0

3 years ago

What situation can be represented by the expression-3 + 3?

ivanzaharov [21]

Correct, c and e. they are the only ones that make sense

7 0

3 years ago

Read 2 more answers

lana picked a pumpkin that weighed three times the weight of meg's pumpkin megs pumpkin wqs half the weight of ryans pumpkin. Ry

liraira [26]

14 ÷ 1/2 × 3 (I hope it's right. I would have done this)

4 0

2 years ago

Read 2 more answers

What is the value of (x^3 − 7x^2 − 18x + 42) when x = 3?

Eva8 [605]

Answer:

-150

Step-by-step explanation:

x^2 - 7x^2 - 18x +42

3^2 - 7(3)^2 - 18(3) + 42

9 - 63 - 54 + 42

-54 -54 + 42

-108 + 42

-150

8 0

2 years ago