3 years ago

This is for a test btw but i really need help!

Mathematics

1 answer:

Drupady [299]3 years ago

8 0

Answer:

B. Each value has its own f(x)=y

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Find the nth term of the geometric sequence whose initial term is a1

Alborosie

Answer:

Step-by-step explanation:

geometric progresion formula:

$a_n=a_1*r^{n-1}\\a_1=0.5\\r=10\\a_n=0.5*10^{n-1}$

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3 years ago

The price-earnings ratio for firms in a given industry follows the normal distribution. In this industry, a firm whose price-ear

lesantik [10]

Answer:

The correct answer is

A. 16%

Step-by-step explanation:

The zscore is used to solve problems of normally distributed samples.

This score indicates the percentage of a certain measure. It can be found looking at the z table.

For example, if a measure has a percentile of 75%, it is in the 100%-75% = highest 25 percent of all the measures.

$Z = 1$ has a pvalue 0.8413. So it is in the highest 1-0.8413 = 0.1587 = 16% percent of firms in the industry.

The correct answer is

A. 16%

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3 years ago

Write an equation of the line with a slope of −3 and y-intercept of 0.

s2008m [1.1K]

Answer:

y = -3x

Step-by-step explanation:

Substitute the numbers into the point-slope form equation:

y - 0 = -3(x - 0)

y = -3x

5 0

3 years ago

Part A:

shusha [124]

Part A:

Six Tents Holds 42 People

Nine Tents Holds 63 People

10 Tents Holds 70 People

Part B:

Number of tents|||Number of people

1 |||7

6 |||42

9 |||63

10 |||70

Part C:

Tents=x

1x=7 people

8 0

3 years ago

Read 2 more answers

I think of a number multiply it by 2, subtract 5 and multiply the result by 2

zalisa [80]

Call our original number n. Then here's what we did in an equation:
$(n*2-5)*2=2$

We can solve this for n:
$n*2-5=1$
$n*2=6$
$n=3$

7 0

4 years ago