3 years ago

I have a hard time finding the x help

Mathematics

1 answer:

Anna007 [38]3 years ago

4 0

Because 8×8×(1/2)×X= 576
so 32X=576
X=18

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Write10:15 pm in 24 hour time

Stels [109]

Your answer is 22:15

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3 years ago

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hoa [83]

First question is A

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An epidemiologic survey of roller-skating injuries in Metroville, a city with a population of 100,000 (during the midpoint of th

Ahat [919]

Answer: c. $\dfrac{90}{1800}\times100\%$

Step-by-step explanation:

As per given , we have

Total number of residents injured from roller-skating =1,800

Total number of deaths from roller-skating = 90

Formula for Mortality rate : $Mortaility\ rate= \dfrac{Deaths\ due \ to\ injury}{Tota\ injuries}$

Then, the proportional mortality ratio (%) due to roller-skating was

= $\dfrac{90}{1800}\times100\%$

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3 years ago

7^3 times 7^-7 times 7

dusya [7]

Hello there! :)

Answer: $\frac{1}{343}$

*The answer must have a fraction.*

Step-by-step explanation:

Lesson: Zero and Negative Exponents.

Distributive property: a(b+c)=ab+ac

First, you apply exponent rule.

$a^b*a^c=a^b^+^c$

$7^-^3$

$\frac{1}{7^3}=7^3=7*7*7=343$

Final answer: $\frac{1}{343}$

Hope this helps!

Thanks!

-Charlie

Have a great day!

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3 years ago

a table that originally cost $196 is on sale for $160.00. What is the percent of decrease, rounded to the nearest tenth?

AfilCa [17]

Hmmm.. I solved it and got 82%. I may be wrong, but try it out.

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