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NNADVOKAT [17]
3 years ago
13

4x – 5y when x = 2, y = 4. Please show your work and please get the answer right thank you

Mathematics
1 answer:
Alisiya [41]3 years ago
7 0

Answer:

- 12

Step-by-step explanation:

Substitute both the values of x and y in the equation given

x=2, y=4

4(2)-5(4)= 8-20

= - 12

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Find the seventh term of the sequence which has a first term of 1/2 and has a common ratio of three
prohojiy [21]

The seventh term of the sequence is 364.5

<h3>Geometric progression </h3>

From the question, we are to determine the seventh term of the sequence

Using the formula,

a_{n}  = ar^{n-1}

Where a_{n} is the nth term

a is the first term

and r is the common ratio

From the given information,

a = 1/2

r = 3

Thus,

a_{7}  = (\frac{1}{2}) 3^{7-1}

a_{7}  = (\frac{1}{2}) 3^{6}

a_{7}  = \frac{1}{2} \times  729

a_{7}  = 364\frac{1}{2} \ OR \ 364.5

Hence, the seventh term of the sequence is 364.5

Learn more on Geometric progression here: brainly.com/question/24643676

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2 years ago
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Phoenix [80]

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Step-by-step explanation:

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