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3 years ago

Solve for x: x - 5y = -1

Mathematics

1 answer:

Fantom [35]3 years ago

6 0

Answer:

x = -1 + 5y

Step-by-step explanation:

If you writing this equation in terms of x then the answer is correct, however, if there is a value for y, then you just need to sub it into y.

For example,

Find x when y = 3

x = -1 + 5(3)

= -1 + 15

= 14

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3 years ago

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3 years ago

The 11th term in a geometric sequence is 48 and the common ratio is −0.8. The 12th term is _________ and the 10th term is ______

Svetach [21]

Answer:

The 12th term is -38.4 and the 10th term is -60.

Step-by-step explanation:

Consider the geometric sequence,

$S=\{a,\ ar,\ ar^{2},\ ar^{3},\ ...\}$

The first term is, a.

The common ratio is, r.

The formula to compute the common ratio is:

$r=\frac{T_{n}}{T_{n-1}}$

The information provided is:

T₁₁ = 48

r = -0.8

Compute the 12th term as follows:

$r=\frac{T_{n}}{T_{n-1}}$

$-0.8=\frac{T_{12}}{T_{11}}\\\\0.8=\frac{T_{12}}{48}\\\\T_{12}=48\times-0.8\\\\T_{12}=-38.4$

The 12th term of the geometric sequence is -38.4.

Compute the 10th term as follows:

$r=\frac{T_{n}}{T_{n-1}}$

$-0.8=\frac{T_{11}}{T_{10}}\\\\0.8=\frac{48}{T_{10}}\\\\T_{10}=\frac{48}{-0.8}\\\\T_{10}=-60$

The 10th term of the geometric sequence is -60.

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4 years ago

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Question:

Based on a survey, assume that 28% of consumers are comfortable having drones deliver their purchases. Suppose that we want to find the probability that when five consumers are randomly selected, exactly three of them are comfortable with delivery by drones.

Identify the values of n, x, p, and q.

Answer:

$n = 5$