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3 years ago

Write the product in its simplest form -9xy^5 • 9x^2y

1 answer:

8 0

Gather all the like terms (numbers/terms present in both numbers)

9xy(-y^4 * x)

This would the solution in the simplest form

Hope I helped :)

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Due to the increase of posts on social media, the number of flip cell phones is in exponential decline. Data collected from 2009

gizmo_the_mogwai [7]

Answer:

$y=256e^{-0.288x}$

where y is in thousands

Step-by-step explanation:

The equation in two variables that can be used to represent the situation given can be determined using computer software such Stat-Crunch or Ms. Excel or advanced calculators.

I shall use Ms. Excel for this question.

In Ms. Excel, enter the data into any two adjacent columns. Next, highlight the data, then click the insert ribbon and select the scatter-plot option.

Excel returns a scatter-plot chart as shown in the attachment below.

After obtaining the scatter-plot, we shall need to add a trend line in order to determine the mathematical equation that best fits the scenario given.

Click anywhere inside the chart, then select the design tab under chart tools. Click on the Add Chart element in the upper left corner of the excel workbook and select more trend-line options. This feature will enable us to fit any trend-line to our data.

Select the exponential option, since we were informed that he number of flip cell phones is in exponential decline,ensuring you check the box; Display Equation on chart.

Find the attached.

The equation in two variables is thus;

$y=256e^{-0.288x}$

5 0

3 years ago

0 A two-inch-long grasshopper can jump a horizontal distance of 40 inches. An athlete, who is _ five feet nine, wants to cover a

Mkey [24]

Answer:

a) nearest jump is JL = 1380 inches = 115ft

b) number of jumps in 1 mile N= 46 jumps

Step-by-step explanation:

Given that the jump length is proportional to the body length.

If 2 inch grasshopper can jump 40 inches.

JL = k(BL)

k = JL/BL

where JL = jump length = 40 inches

BL = Body length = 2 inches.

k = 40/2 = 20

The constant of proportionality is 20.

For the athlete :

BL = 5ft 9 inches = 5(12)+9 = 69 inches.

The jump length of the athlete is:

JL = k(BL) = 20(69)

JL = 1380 inches. = 115ft

The number of jumps in 1 mile is

1 mile = 63360 inches

N = 63360/1380

N = 45.9 = 46

N= 46

Therefore, 46 jumps would be needed.

7 0

3 years ago

There are 60 flowers in a bouquet, 24 of which are yellow. What percent of the flowers are yellow?

Kobotan [32]

Answer:

40%

Step-by-step explanation:

6 0

3 years ago

Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?

Viefleur [7K]

If $\frac{6}{7}$ were incorrect, it means that $\frac{1}{7}=4$ were correct
$4*7=28$
There were 28 problems ;)

5 0

3 years ago

Big Oil, Inc. has a preferred stock outstanding that pays an $7 annual dividend. If

Kruka [31]

The change in the price of the stock is $46.67.

<h3>How to calculate the change in price?</h3>

From the information given, the current price will be:

= Annual dividend / Required rate

= 7/0.1

= $70

The market value of the shares will be:

= 7/6%

= 7/0.06

= $116.67

Therefore, the change in the price of the stock will be:

= $116.67 - $70

= $46.67

Learn more about stock on:

brainly.com/question/18124452

#SPJ1

5 0

2 years ago