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jeka57 [31]
3 years ago
6

What is (xy)7 in expanded form

Mathematics
1 answer:
Natali5045456 [20]3 years ago
3 0

Answer:

7xy

Step-by-step explanation:

multiply the outside of the brackets by the inside so it is 7xy

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An average of 145 people visited a 4-day exhibition on the first 3 days. Another 205 people visited the exhibition on the fourth
Alenkinab [10]

Answer:

160 visitors.

Step-by-step explanation:

Given:

An average of 145 people visited a 4-day exhibition on the first 3 days, <u>means here average people visited in 3 days is given 145.</u>

Average = 145

Number of people, n = 3

Another 205 people visited the exhibition on the fourth day.

To find:

What is the average number of visitors per day ?

Solution:

<u>First of all we will find total number of people visited in 3 days:-</u>

As we know:

Average=\frac{Sum\ of\ observation}{number\ of\ observation}

145=\frac{Sum\ of\ observation}{3}\\

Multiplying both sides by 3

145\times3=\frac{Sum\ of\ observation}{3}\times3\\435=Sum\ of\ observations

Thus, we found that total number of people visited in 3 days is 435 and as 205 people visited in fourth day, then total number of people increased to

435 + 205 = 640

Now, sum of total observations( total number of people ) = 640

And number of observation ( number of days ) = 4

Now, we will calculate average number of visitors visit per day :-

Average=\frac{Sum\ of\ observation}{number\ of\ observation}

             =\frac{640}{4} \\=160\ visitors

Thus, the average number of visitors per day is 160 visitors.

             

6 0
3 years ago
(Geometry HELP) The perimeter of WXY is ___ cm?
jeka57 [31]
I hope this helps you



QR=WS=2.93



RS=QW =2.04


QS=XR =2.28


RS=XQ=2.04



SY=QR =2.93


RY=QS =2.28


XY=XR+RY=2.28+2.28=4.56


XW=XQ+QW=2.04+2.04=4.08


WY=WS+SY=2.93+2.93=5.86


Perimeter of XYW=XW+WY+XY


Perimeter of XYW=4.08+5.86+4.56


Perimeter of XYW =14.5


8 0
4 years ago
What is the solution for -3x ≥ 36?
Montano1993 [528]
Hey there!

To solve for the solutions of your inequality, divide both sides of your inequality by -3 in order to isolate the value of x:

-3x≥36
÷-3  ÷-3

x≤12 
**Note: in inequalities, if you ever divide or multiply a number that is negative, you must flip the inequality sign. In this case, because you have divided -3 from both sides, you must flip the inequality sign from ≥ to ≤.

Therefore, your solutions to your inequality would be x≤12.

Hope this helps, and have a nice day! :)
8 0
3 years ago
Translate the figure 6 units up. Then decide if each statement about translated figures is true or false.
olga2289 [7]

Answer:

False, True, True, True

Step-by-step explanation:

The pre-image and image are the exact same size and shape: meaning that they are congruent. Because they are congruent, it is impossible for the side lengths to be different from each other. The final side lengths are both parallel and the same as the original. Hope that helps!! :))

3 0
3 years ago
Solve the linear inequality 4.2y+2.1&gt;−2.52
MArishka [77]
The answer for this question:

y>-1.1
5 0
3 years ago
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