3 years ago

Select the false conditional statement.

Mathematics

1 answer:

mixer [17]3 years ago

4 0

<span>If pigs can fly, then you'll get a raise. ...............................</span>

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A truck can be rented from Company A for $100 a day plus $0.60 per mile. Company B charges $30 a day plus $0.80 per mile to

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Answer:

80+ 0.3x = 60 + 0.4x

20 = 0.1x

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Therefore, at 150 miles, the best deal changes companies

Step-by-step explanation:

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4 years ago

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3 years ago

The arithmetic sequence ai is defined by the formula: a 1 =15 a i =a i-1 -7 Find the sum of the first 660 terms in the sequence.

lara31 [8.8K]

Answer:

The sum of the first 660 terms in the sequence=−1512390

Step-by-step explanation:

We are given that an arithmetic sequence

$a_1=15$

$a_{i}=a_{i-1}-7$

We have to find the sum of first 660 terms

Substitute i=2

$a_2=a_1-7=15-7=8$

Substitute i=3

$a_3=a_2-7=8-7=1$

Now, the common difference

$d=a_2-a_1=8-15=-7$

Now, sum of n terms of an A.P

$S_n=\frac{n}{2}(2a+(n-1)d)$

Substitute n=660, d=-7, a=15

$S_{660}=\frac{660}{2}(30+(660-1)(-7))$

$S_{660}=-1512390$

Hence, the sum of the first 660 terms in the sequence=−1512390

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3 years ago

What is the next term of 7,11,15,19

yarga [219]

Answer:

Step-by-step explanation:

Add 4 to each number in the series.

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4 years ago