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3 years ago

7. Meghan said the opposite of the sum of -12 and 4 is 8. Do you agree? Why or why not?

Mathematics

1 answer:

muminat3 years ago

8 0

I agree, the sum of -12 and 4 is -8. so, the opposite of that would be positive 8.

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1)2{18-(5+3^2)÷7] <br>2) 1+(-2-5)^2+-3*4<br>PEMDAS<br>

stira [4]

Answer:

I think these are the right answers. The answer to one is 32. The answer to two is 38.

1: 2[18-(5+3^2)/7]

2[18-(5+9)/7]

2[18-14/7]

2[18-2]

2 times 16 = 32

2: I used a calculator for this one.

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3 years ago

A total of 486 tickets were sold for the school play. They were either adult tickets or student tickets. There were 64 fewer sru

padilas [110]

Answer:

Step-by-step explanation:

A=number Adult tickets;S=A+74= number Student tickets

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724=A+(A+74)

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4 years ago

Study the geometric sequence {-4, -84, -1764, -37044, ...}.

Nonamiya [84]

Answer:

$\bold{a_n=(-4)21^{n-1}}$

Step-by-step explanation:

$a_1=-4\,,\ a_2=-84\,,\ a_3=-1764\,,\ a_4=-37044\quad\implies\ \ r=21$

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geometric sequence formula: $a_n=a_1r^{n-1}$

$a_1=-4\quad and \ \ r=21$

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vesna_86 [32]

Answer:

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Step-by-step explanation:

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