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JulijaS [17]
3 years ago
8

What expression is equivalent to this equation :(-3x3y2)(5x5y4)2​

Mathematics
2 answers:
Igoryamba3 years ago
6 0
-3600y2 not sure but that’s what I got from photoMath
Sergeeva-Olga [200]3 years ago
4 0

Answer:

The equivalent expression to this equation is -30x⁸4y⁶

Step-by-step explanation:

For this expression, we have to multiply the terms. We can do this by following the order of operations.

(-3x³y²)(5x⁵y⁴)2

First, we have to multiply -3x³y² and 5x⁵y⁴ together.

(-15x⁸2y⁶)2

Now, we  multiply these terms together.

-30x⁸4y⁶

So, the expression that is equivalent to this equation is -30x⁸4y⁶

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A survey reveals that the sales of smartphones is increasing considerably. The average annual sales of smartphones, in million u
padilas [110]

Answer:

C. When the survey was initially conducted average sales of smartphones was 1.7 millions units.

Step-by-step explanation:

We have been given that the average annual sales of smartphones, in million units, n years after the survey is conducted is modeled by function p(n)=1.7\cdot b^n, where the parameter b is an unknown positive base.


We are asked to find the true statement about our given function.

A. If b= 1.45, the annual growth rate of the sales of smartphones is 145%.

Since we know that b equals (1+r) for growth function, where r is in decimal form.

If b=1.45, it means that the annual growth rate will be 45% as 0.45 is decimal form of 45%, therefore, statement A is not true.

B.  If b= 1.02, annual sales of smartphones will double in 2 years.

If b=1.02, it means that the annual growth rate will be 2% as 0.02 is decimal form of 2%, therefore, statement B is not true.

C. When the survey was initially conducted average sales of smartphones was 1.7 millions units.

Since we know that an exponential function is in form y=a*b^x, where a in initial value of function. We can see from our given function that a equals 1.7, therefore option C is a true statement.

D. The average sales of smartphones increases by 1.7 millions units every year.

Since our function is not a linear function, instead it is an exponential function, so rate of change can not be constant.

Therefore, option D is not true regarding our given function.

7 0
3 years ago
Can i have a z score that extends past -0.5 or +5.0
Dimas [21]
Yes, of course you can! 
7 0
3 years ago
5,499,785- 5,040,629 plz help
almond37 [142]
459,156 is the answer
5 0
3 years ago
Read 2 more answers
What is the value of m, when 2⁶ x 4 = 418​
yaroslaw [1]

Answer:

The answer should be 3.3/4

Step-by-step explanation:

5 0
2 years ago
A rectangle's length is three times its width. Let w denote the rectangle's width. What polynomial represents the rectangle's ar
Nataliya [291]
Width = W
Length = 3 times w = 3W

Area = length x width = 3W * W = 3W^2
8 0
3 years ago
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