3 years ago

Heres the clearer version

Mathematics

1 answer:

Setler79 [48]3 years ago

8 0

Answer:

The midpoint of FH is (3;1)

Step-by-step explanation:

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zhannawk [14.2K]

Answer:

25x +23

Step-by-step explanation:

2.5(10x + 8) +3

2.5(10x + 8)

25x + 20

25x + 20 + 3

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hope dis helps ^-^

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3 years ago

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Find the sum of this arithmetic series.<br> | 26 + 24.5 + 23 + 21.5 + ... - 17.5

emmainna [20.7K]

Answer:

127.5

Step-by-step explanation:

The given series is 26 + 24.5 + 23 + 21.5 + ... - 17.5

The first term of this series is a=26

The common difference is d=24.5-26=-1.5

The last term of the series is -17.5

The nth term is given by:

$u_n=a+d(n-1)$

$26+-1.5(n-1)=-17.5$

$-1.5n=-17.5-26-1.5$

$-1.5n=-45$

n=30

The sum of the series:

$S_{n}=\frac{n}{2}(a+l)$

$S_{30}=\frac{30}{2}(26+-17.5)$

$S_{30}=127.5$

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3 years ago

What is 1.4% of b? What is 8% of x?

Nikolay [14]

Answer:

Step-by-step explanation:

1.4% of b = $\frac{1.4}{100}*b = 0.014b$

8% of x = $\frac{8}{100}*x = 0.08x$

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3 years ago

Is this right and what's the answer for number 3?

Mumz [18]

That looks great! But say you chose number 2. You could say you organized it by multiplying single packs by the pieces of packs.

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parallel as if we place the ond the coordinate grkd they will form lines paral.el to each other(;

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