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ch4aika [34]
3 years ago
14

I need help with this ​

Mathematics
1 answer:
Fynjy0 [20]3 years ago
3 0

Answer: 216 in

Step-by-step explanation: I used the formula A=1/2(b1+b1)h and I filled it in by doing A=1/2(6+12)6 and then I divided the height by 1/2 and i multiplied 72 by 3 which is 216 in.

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andre [41]
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Use the binomial theorem to show that 7^n + 2 is divisible by 3, where n is a positive integer.
masha68 [24]

By the binomial theorem,

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3 years ago
How many solutions does the system have?<br> 3x + y = 8<br> 2 + 2y = 8
REY [17]

Answer:

x=2,y=2

Step-by-step explanation:

This question is a simultaneous equation

So let's solve

3x+y=8...(1)

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6x+2y=16...(3)

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Let's make x the subject of formula by dividing both sides by 4

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So let's substitute the value of x into (1)

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3 years ago
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