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soldier1979 [14.2K]
3 years ago
9

5y + 3z If y = 7 and z = 4

Mathematics
2 answers:
andrey2020 [161]3 years ago
8 0

Answer:

47

Step-by-step explanation:

5y = 35\\3z = 12\\35 + 12 = 47

<em>ps can u please give me brainly thx :3</em>

melamori03 [73]3 years ago
6 0

Answer:

47

Step-by-step explanation:

Since we know the values of the variables, we can substitute them with the real numbers. Now our equation looks like this:

5*7 + 3*4

To solve:

5*7 + 3*4 = 35 + 12 = 47

47 is the answer!

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Find the indicated term of the given geometric sequence. a1 = 14, r = –2, n = 11
Vesnalui [34]

Answer:

a_{11} = 14336

Step-by-step explanation:

The general formula for the twelfth term of a geometric sequence is:

a_n = a_1(r)^{n-1}

Where a_1 is the first term and r is the common ratio

In this case we know that:

a_1 = 14\\r=-2

The equation is:

a_n = 14(-2)^{n-1}

So for n = 11 we look for a_{11}

a_{11} = 14(-2)^{11-1}

a_{11} = 14(-2)^{10}

a_{11} = 14336

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Answer:

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Step-by-step explanation:

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