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3 years ago

Date OST Bell Work #28 A do Posted OE

Mathematics

1 answer:

lora16 [44]3 years ago

4 0

I don't understand what you need help w

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I need help finding ac, cb, and ab

Taya2010 [7]

AC is 2x+1
CB is 3x-4
AB= 2x+1+3x-4

6 0

3 years ago

tyreee bought a collection comic book for 49.62 last year.this year he would sold it for 52.10 find the percent of change.

wlad13 [49]

Answer:

The percentage increased by approximately 5%.

Step-by-step explanation:

52.10 - 49.62 = 2.48

2.48/49.62 x 100 = 4.998%

The percentage increase in the price is approximately 5%. Hope this helps! :)

3 0

3 years ago

Listed below are amounts (in millions of dollars) collected from parking meters by a security service company and other compan

Vikentia [17]

Answer:

$CV=\frac{0.1252}{1.57}=0.07975$

$CV=\frac{0.1317}{1.72}=0.07657$

The relative variability is almost equal in both samples a slight greater variability can be noticed in the first sample.

Step-by-step explanation:

The coefficient of variation of a sample is defined as the ratio between the mean standard deviation and the sample mean. And it represents the percentage relation of the variation of the data with respect to the average.

$CV=\frac{S}{\bar X}$

In the case of the first sample you have:

$CV=\frac{0.1252}{1.57}=0.07975$

In the case of the second sample you have:

$CV=\frac{0.1317}{1.72}=0.07657$

The relative variability is almost equal in both samples a slight greater variability can be noticed in the first sample.

6 0

3 years ago

What is equal to x+5=18 in a diagram

morpeh [17]

Answer

x=12

Step-by-step explanation:

7 0

3 years ago

The temperature in Minneapolis was -9°F. The next day, the temperature was warmer than -9°F.

Dimas [21]

Answer:

The temperature in Minneapolis was -9°F. The next day, the temperature was warmer than -9°F.

let increased temperature be x

temperature of next day = -9°f +x

4 0

3 years ago