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choli [55]
3 years ago
8

Evaluate a^7 - 4b for a =3 and b= -1

Mathematics
2 answers:
Nataly_w [17]3 years ago
8 0
A^7 - 4b when a = 3 and b = -1
= (3)^7 - (4)(-1)
= 3 * 3 * 3 - (-4)
= 27 - (-4)
= 27 + 4
= 32
Papessa [141]3 years ago
3 0

Answer:

2187+4

= 2191

Step-by-step explanation:

plz brainliest :)

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Answer:

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Step-by-step explanation:

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Could I get an explanation and some help?
True [87]
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Brums [2.3K]

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8 0
4 years ago
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Marrrta [24]

Answer:

-4(a + b = 6)

Step-by-step explanation:

Given

a + b = 6

4a + 2b = 19

Required

Eliminate a

Multiply the first equation by -4

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Add to the second equation

-4(a + b = 6) + (4a + 2b = 19)

Solve brackets

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