A barbell in the weight room weights 45 pounds. If 1 pound is equal to .45 kg, how many kg is in the barbell?
2 answers:
Answer:
20.25 kg
Step-by-step explanation:
Set up a proportion, where x is the number of kg in the barbell
= 
Cross multiply:
x = 45(0.45)
x = 20.25
So, there are 20.25 kg in the barbell
Answer:
the barbell weighs 20.25 kg
Step-by-step explanation:
It's quite easy to find the answer! All you have to do is multiply .45 kg by 45!
so the equation would be:
0.45 x 45 = 20.25
hope this helps you!! <3
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The bigger decimal is 0.20
Answer: A. 
Step-by-step explanation:
First, apply exponent rule.
Hope this helps!
Thank you for posting your question.
-Charlie
The area is 192 cm^2
the sides are 20 20 24 with the base being 24
to figure out the height you have to use Pythagorean theorem of the triangle cut in half so 12^2 + b^2 = 20^2
b= 16 = height
b*h* .5= area 16* 24* .5= 192
Answer:
(-4,6)
Step-by-step explanation
y = x + 4= −2x − 2
0=x+4
-4=x
y=-2(-4)-2
y=8-2
y=6
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