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timurjin [86]
3 years ago
12

Simplify the expression

Mathematics
2 answers:
frozen [14]3 years ago
5 0

Answer:

what expression?

Step-by-step explanation:

Troyanec [42]3 years ago
4 0

Answer: …

Step-by-step explanation: you need an image

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I think it might be c. but im not sure
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Andrea earns $32.25 a day. After 9 days, about how much will she have earned?
Zanzabum

Answer:

290.25 dollars earned

Step-by-step explanation:

32.25 times 9

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If a line on a distance versus time graph goes back down towards the x-axis, what does that mean
Eddi Din [679]
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5 0
3 years ago
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

8 0
3 years ago
Can someone help me with this please?!?!?!?
dusya [7]
Answer

17 m^3

Explanation

Volume of a given prism = bh

Where b = base area and h = height of prism

Base area = 1 • 2/2 (b • h /2)

= 1

Height = 17

17 • 1 = 17 m^3
5 0
2 years ago
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