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yuradex [85]
3 years ago
11

5. It is given that -2,4, a, b and care five consecutive terms of a geometric progression. Find the value of c.

Mathematics
1 answer:
vlada-n [284]3 years ago
3 0

Answer:

c = - 32

Step-by-step explanation:

The common ratio r of the sequence is

r = \frac{a_{2} }{a_{1} } = \frac{4}{-2} = - 2

To find the next term in the sequence multiply the previous term by r

a = 4 × - 2 = - 8

b = - 8 × - 2 = 16

c = 16 × - 2 = - 32

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The manager of the commercial mortgage department of a large bank has collected data during the past two years concerning the nu
ZanzabumX [31]

The <em>expected number of mortgages</em> approved per week and the standard deviation of the distribution are 2.019 and 0.024 respectively.

<u>The expected number of mortgages approved per week</u> :

  • <em>Mean = (Σfx ÷ Σf)</em>

Expected Number approved = 210 ÷ 104 = 2.019

Hence, it is expected that 2.019 mortageahes would be approved per week.

<u>The standard deviation</u> :

  • <em>Variance = [Σ(Xi - x)² ÷ Σf] </em>

  • <em>Standard deviation = √Variance</em>

Variance = (59.5414 ÷ 104) = 0.0005698

Standard deviation = √0.0005698

Standard deviation = 0.024

Therefore, the expected value and standard deviation are 2.019 and 0.024 respectively.

Learn more :brainly.com/question/15528814

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2 years ago
last season,Jenny made 3 out of every 4 free throws she took.if she took 48 free throw, how many did she make?
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36
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3 0
3 years ago
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in the usa, the shoe sizes or men are approximated by the equation 3f-s=24, where f represents the length of the foot in inches
Otrada [13]

Answer:

x intercept = 8

y intercept = -24

Step-by-step explanation:

In the USA, the shoe sizes or men are approximated by the equation 3f-s=24, where f represents the length of the foot in inches and s represents the shoe size.

<u>When we represent this equation using a graph, we mark the independent variable on the x axis and the dependent variable on the y axis.</u>

Here the foot length is the independent variable and the shoe size is the dependent variable. Hence we take foot length on x axis.

To get x intercept put y=0, f = \frac{24}{3} = 8 inches .

This is the point from which where we start our shoe size.

The y intercept , s = -24.

8 0
3 years ago
What is the y intercept if y=3/4x+2
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It is in y intercept form
y = mx + b
where b is the y intercept

y = 3/4 x + 2
so b = 2

therefore the y intercept is 2
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3 years ago
At Mr. Hynd's ranch, there are 35 chickens and 20 cows. What is the ratio of the number of cows to the
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