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pogonyaev
2 years ago
8

18- (-3) ^3 +3•2 what would be the answer and how

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
8 0
-3^3=9
18-9+3•2
9+3•2
12•2
24
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on the first play of a game , a football team gained 23 yards and then lost 10 yards due to penalty during the second play the t
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-1 Let's say the set of downs starts at the 20 yard line (maybe the kicking team kicked deep, the receiving team took a knee and so play starts at the 20).
Ok - we're at the 20. First down - they advance 5 yards. So we're now at the 25. We can write that mathematically as:
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1
and this makes sense because we know we advanced 5 and fell back 6
3 0
3 years ago
George's page contains twice as many type words as Bill's paid and Bill's page contains 50 fewer words and Charlie's page. If ea
defon
For this, we use simultaneous equations. Let George's page be g, Charlie's be c and Bill's page be b.

First, <span>George's page contains twice as many type words as Bill's.

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</span><span>Second, Bill's page contains 50 fewer words than Charlie's page.

Thus, b = c - 50.

</span>If each person can type 60 words per minute, after one minute (i.e. when 60 more words have been typed) <span>the difference between twice the number of words on bills page and the number of words on Charlie's page is 210.

We can express that as 2b - c = 210.

Now we need to find b, since it represents Bill's page.

We can substitute b for (c - 50) since b = c - 50, into the equation 2b - c = 210. This makes it 2(c - 50) - c = 210.

We can expand this to 2c - 100 - c = 210.

We can simplify this to c - 100 = 210.

Add 100 to both sides.

c - 100 + 100 = 210 + 100

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Now that we know c, we can use the first equation to find b.

b = c - 50 = 310 - 50 = 260.

260 is your answer. I don't know where George comes into it. Maybe it's a red herring!</span>
8 0
3 years ago
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LekaFEV [45]

Answer:

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Step-by-step explanation:

-4 + 3y = 14

+4            +4

3y = 18

----   ----

3      3

y = 6

4 0
3 years ago
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lara31 [8.8K]
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