anonymous
  • anonymous
Can someone please help me Convert as indicated. 5 lb to grams A. 2100.0 g B. 2270.0 g C. 2325.0 g D. 2240.0 g
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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mathstudent55
  • mathstudent55
Do you know how many grams there are in a lb?
anonymous
  • anonymous
1 lb = 453.592 g
anonymous
  • anonymous
I got B but i got it wrong

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anonymous
  • anonymous
so am kind of confuse
anonymous
  • anonymous
\[453.592*5=2267.96 \approx B.\]
anonymous
  • anonymous
that's what I got but they mark it wrong don't know why
anonymous
  • anonymous
that's weird..
anonymous
  • anonymous
it sure is
mathstudent55
  • mathstudent55
\( 1 ~lb \approx 0.454 ~g\) Multiply both sides by 5: \( 5 \times 1 ~lb \approx 5 \times 0.454 ~g\) \( 5 ~lb \approx 2270.0 ~g\) B is correct. It's the closest to the exact number.
anonymous
  • anonymous
I know but when I submit my test i got it wrong
anonymous
  • anonymous
can't really help you there :/
anonymous
  • anonymous
:(
anonymous
  • anonymous
ask your teacher maybe?
mathstudent55
  • mathstudent55
Maybe you should be grading the test instead of having your test graded.
anonymous
  • anonymous
yeah, you've beat the test! :D
anonymous
  • anonymous
lol yeap
anonymous
  • anonymous
am about to just guess any other answer
anonymous
  • anonymous
kk good idea
anonymous
  • anonymous
can some one help me with this
anonymous
  • anonymous
???
anonymous
  • anonymous
i got it thanks
anonymous
  • anonymous
|dw:1377658131258:dw|
anonymous
  • anonymous
The figures are similar. Find the length of the missing side indicated with an x or y. A. x = 7.2; y = 3.9 B. x = 6.3; y = 3.6 C. x = 6.3; y = 3.9 D. x = 1.24; y = 3.6
anonymous
  • anonymous
need help with this problem please anyone?
mathstudent55
  • mathstudent55
In the future, start a new post for each new problem.
mathstudent55
  • mathstudent55
Since the triangles are similar, the lengths of corresponding sides are in proportion. That means the ratios of the lengths of corresponding sides are equal. You need one pair of corresponding sides that will tell you what that ratio is. Looking at the figure, you see that: Side y corresponds to side 8.1. Side 2.8 coprresponds to side x. Side 2.4 corresponds to side 3.4. The only pair of corresponding sides that has given lengths of both sides is the pair 2.4 and 3.4 That tell us the ratio of the lengths of corresponding sides is \( \dfrac{2.4}{3.4} \) We also have the ratios: \( \dfrac{y}{8.1} \) and \( \dfrac{2.8}{x} \) If you set up proportions using the known ratio and each one of the ratios containiong an unknown length, then you'll have two proportions to solve, and you'll be able to find x and y. \( \dfrac{2.4}{3.4} = \dfrac{y}{8.1} \) Solve for y. \( \dfrac{2.4}{3.4} = \dfrac{2.8}{x} \) Solve for x.
anonymous
  • anonymous
the answer is B

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