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coldgirl [10]
3 years ago
9

If 3 oranges and 4 apples cost $14 and 5 oranges and 2 apple cost $21. find the value of 2 oranges and 3 apples.

Mathematics
1 answer:
Semmy [17]3 years ago
3 0

Answer:

$18

Step-by-step explanation:

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20

Step-by-step explanation:

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How many different four lettered codes can be formed if the first letter must be an S or a T
emmainna [20.7K]

Answer:

27,600

Step-by-step explanation:

We use the following formula:-  

Number of permutations of r from n

= nPr

= n! / (n-r)!

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Take S as the first letter. Then we have 3 letters extra out of 25 letters.

Using the above formula the possible ways of doing this is

25! / (25 - 3)!

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= 25*24*23

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So the answer is 2*13800

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8 0
3 years ago
A line contains the points (4,2) and (0, -1).What is the equation of the line?
Lady bird [3.3K]

Find the slope:

y₂ - y₁ / x₂ - x₁

-1 - 2 / 0 - 4

-3 / -4

3/4

y = mx + b

y = 3/4x + b

Substitute any of the point's coordinate in the equation.

I'll pick (0,-1)

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-1 = 0 + b

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y-intercept Equation:

y = 3/4x - 1

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Standard form:

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3 0
3 years ago
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