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xxTIMURxx [149]
3 years ago
5

How you do this expression

Mathematics
2 answers:
Advocard [28]3 years ago
6 0

Hope this helps! 30m+20n-15p

katrin2010 [14]3 years ago
4 0
You are using the distributive property so you will multiply all the numbers in the parentheses by 5. So the end expression would be 30m+20n-15p
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Pls help me i need help with this
Rudiy27

my answer is in this picture.

7 0
3 years ago
Element x decays radioactively with a half life of 12 minutes. if there are 580 grams
Olenka [21]

Answer:

37.1

Step-by-step explanation:

37.1

3 0
2 years ago
In 2008, there were 197,214 traffic collision related injuries. This works out to ____ per day.
Anni [7]
There are several information's already given in the question. Based on those information's the answer can be easily deduced. 

Number of days in the year 2008 = 366
Number of traffic collisions in the year 2008 = 197214
Then
Number of t<span>raffic collision related injuries per day = 197214/366
                                                                               = 538.84
                                                                               = 540
</span><span>This works out to 540 per day. The correct option is option "C".</span>
4 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIEST AND 30 POINTS!!!!!
garik1379 [7]

Answer:

Step-by-step explanation:

If the price is supposed to be dropping with each year, maybe your year/price chart would reflect that. Seems to me that the price rose between 2015 and 2016 and even by 2017 the value was still higher than it was in 2015.

I have no way of knowing how to fix this.

Let's ASSUME that the 2015 price was $71,445 and that the 2016 and 2017 prices are valid.

the decrease between 2015 and 2016 is (71445 - 68640) / 71445 = 0.03926

or 3.926%

the decrease between 2016 and 2017 is (68640 - 65945)/68640 = 0.03926

or 3.926%

so the price each year after new is

p = 71445(1 - 0.03926)ⁿ

or

71445(0.96074)ⁿ

where n is the number of years.

To get the monthly version, we divide the decrease by 12

p = 71445(1 - 0.03926/12)ˣ

or

p = 71445(1 - 0.00327)ˣ

or

p = 71445(0.99673)ˣ

where x is the number of months since new.

This may not be your exact answer, but the same method can be used if you get real numbers.

8 0
2 years ago
Which expression is equivalent to (a^-3 b/a^-5 b3)^-3? Assume a=0, b=0.
prohojiy [21]
Use:\\\\\dfrac{a^n}{a^m}=a^{n-m}\\\\(a^n)^m=a^{nm}\\\\a^{-n}=\dfrac{1}{a^n}\\\\(ab)^n=a^nb^n

\left(\dfrac{a^{-3}b}{a^{-5}b^3}\right)^{-3}=\left(a^{-3-(-5)}b^{1-3}\right)^{-3}=\left(a^{-3+5}b^{-2}\right)^{-3}=\left(a^2b^{-2}\right)^{-3}\\\\=(a^2)^{-3}(b^{-2})^{-3}=a^{2(-3)}b^{-2(-3)}=a^{-6}b^6=\dfrac{b^6}{a^6}
7 0
3 years ago
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