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3 years ago

Find the 8th term of the geometric sequence 7, 28, 112, ...

Mathematics

1 answer:

iVinArrow [24]3 years ago

3 0

Common ratio = 28/7 = 4
8th term = (first term)4^7 = 114688

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I’m confused and I need help

Jlenok [28]

I believe it is 64 because 8 times 8 is 64

3 0

4 years ago

Read 2 more answers

Determine if line AB is tangent to the circle. If so, then explain why.

zheka24 [161]

Answer:

Option A.

Step-by-step explanation:

we know that

If AB is tangent to the circle

then

The triangle show in the figure must be a right triangle

Remember that

If a triangle is a right triangle, then the triangle must satisfy the Pythagorean Theorem

Verify

Applying the Pythagorean Theorem

$17^2=10.2^2+6.8^2$

$289=104.04+46.24$

$289=150.28$ -----> is not true

Is not a right triangle

therefore

line AB is not tangent to the circle

3 0

3 years ago

Read 2 more answers

For which distributions is the median the best measure of center? Select each correct answer. Y 20 30 18 25 16 20 14 15+ 12 10+

AURORKA [14]

Answer:

The median is the best measure of center for distributions C and D.

Step-by-step explanation:

The median is the best measure of center for skewed distributions or distributions with outliers because it is a robust statistic, meaning that outliers and skewed data have little effect on the median.

Meanwhile, the mean is a good measure of center for symmetric distributions since it is non-robust.

Answer A has a roughly symmetric distribution, and answer B has a uniform distribution.

Answer C has a left-skewed distribution, and answer D seems to have a right-skewed distribution (since the right tail is longer than the left tail).

Therefore, the median would be the best measure of center for choices C and D.

3 0

3 years ago

QUESTION 1 - 1 POINT

guajiro [1.7K]

Answer + Step-by-step explanation:

the inequality by finding the boundary line, then shading the appropriate area.

y > − 5/2x − 5

(anything in shaded region)

8 0

2 years ago

I need to know how to do a)^

riadik2000 [5.3K]

he charges a fixed cost of $12, meaning a one-time charge of 12 bucks, plus 1.50 for each window.

1 window................ 12 + 1.5(1)

2 windows............. 12 + 1.5(2)

3 windows............. 12 + 1.5(3)

4 windows............. 12 + 1.5(4)

x windows............. 12 + 1.5(x)

$\bf \stackrel{cost}{y}=\stackrel{\stackrel{fixed}{cost}}{12}+\stackrel{\stackrel{per}{window}}{1.5x}$

$\bf \stackrel{cost}{28.50}=\stackrel{\stackrel{fixed}{cost}}{12}+\stackrel{\stackrel{per}{window}}{1.5x}\implies 16.50=1.5x\implies \cfrac{16.50}{1.5}\implies \boxed{11=x}$

7 0

3 years ago