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jek_recluse [69]
3 years ago
14

Help please, i need it asap. tyty

Mathematics
1 answer:
mylen [45]3 years ago
8 0

Answer:

Step-by-step explanation:

\frac{3}{x} = \frac{2}{5}

2x = 15

x = 7.5

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The last term of an arithmetic sequence is 14 and the ninth term is -1. Find the first four
Olegator [25]

Answer:

13

Step-by-step explanation:

where n is the number of terms, a1 is the first term and an is the last term. The sum of the first n terms of an arithmetic sequence is called an arithmetic series . Example 1: Find the sum of the first 20 terms of the arithmetic series if a1=5 and a20=62 .An arithmetic sequence is a sequence where the difference between any two consecutive terms is a constant. ... As with any recursive formula, the initial term of the sequence must be given. An explicit formula for an arithmetic sequence with common difference d is given by an=a1+d(n−1) a n = a 1 + d ( n − 1 ) .

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A lake has 10,000 fish.when a fishman scoops up his net ,he catches 500 fish. Suppose 150 of the 500 fish in his net are salmon.
Inessa [10]
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liraira [26]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Which two numbers add up to -19 and multiply to make 35
iris [78.8K]

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4 0
3 years ago
F(x)=3x+5/c what is f(a+2) ?
coldgirl [10]
<span>F(x)=3x+5/c

</span>F(a+2)=3(a+2)+5/c
or
F(a+2)=3a + 6 + 5/c
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