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ivanzaharov [21]
3 years ago
7

What are rates? Can someone please explain discreptively?

Mathematics
2 answers:
Naddika [18.5K]3 years ago
6 0
A ratio are two numbers in the same unit being compared to one and another (for example, 2:18). A rate are two numbers in different units being compared to one and another (for example, 2 corn cost $1. The units are different, one is a number of items/objects and the other is a price).
harina [27]3 years ago
3 0
A rate is something like 60 km/h.
this is as much as i can tell you.
hope this helps.
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Answer:

14

Step-by-step explanation:

answer is 14 trust me

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3 years ago
1.4(0.5x+4.2y)−3.5(0.2x−1.5y)<br> simplify<br> lots of points
Vilka [71]

1,4(0,5x + 4,2y) - 3,5(0,2x - 1,5y)

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0,7x + 5,88y - 0,7x + 5,25y

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7 0
3 years ago
How would you solve this? Please give an explanation.
Neporo4naja [7]

The <em>first three</em> elements of the <em>recursive</em> series are 6, 10, 8. (Correct choice: B)

<h3>How to generate values from a recursive function</h3>

In this question we have a kind of <em>recursive</em> function known as Fibonacci's function, where a value of the series is generated from at least <em>immediately previous</em> elements. In this case, we need to find the <em>first</em> three elements from the <em>fifth</em> and <em>fourth</em> elements of the series:

a_{n-2} = a_{n-1} - a_{n} + 4

a₄ = a₅ - a₆ + 4

a₄ = - 2 - 0 + 4

a₄ = 2

a₃ = a₄ - a₅ + 4

a₃ = 2 - (- 2) + 4

a₃ = 8

a₂ = a₃ - a₄ + 4

a₂ = 8 - 2 + 4

a₂ = 10

a₁ = a₂ - a₃ + 4

a₁ = 10 - 8 + 4

a₁ = 6

The <em>first three</em> elements of the <em>recursive</em> series are 6, 10, 8. (Correct choice: B)

To learn more on recursive series: brainly.com/question/8972906

#SPJ1

4 0
2 years ago
The curve formed by a quadratic equation is called a _________
alekssr [168]
<span>The curve formed by a quadratic equation is called a PARABOLA</span>
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3 years ago
Raina must choose a number between 55 and 101 that is a multiple of 2,3 and 9. Write all the numbers that she could choose. If t
ziro4ka [17]

Answer:

72,90

Step-by-step explanation:

Since 9 is the biggest number so list multiples of 9 between 55- 101 range.

Which are 63, 72, 81, 90, 99. Any number that is a multiple of 9 is a multiple of 3 because 3x 3 = 9.  9 is a multiple of 3.

Any even number is a multiple of 2.

Only 72 and 90 are even numbers.

So 72 and 90 are numbers divisible by 2, 3, 9.

6 0
3 years ago
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