Liam bought a comic book and had $5 left. If he had a total of $8 walking into the store, how much did he spend on the comic boo
2 answers:
Answer:
Liam spent $3 on the book.
Step-by-step explanation:
Liam bought a comic book and had $5 left.
He had a total of $8 walking into the store, so he spent dollars on the comic book.
Liam used the equation 5x=8 to model the problem.
This is wrong. The correct form would have been or
where x represents the amount of money he spent.
Hence, Liam spent $3 on the book.
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The height of broken part of tree from ground is 5.569m.
Justification:
Let BD is a tree of height 12 m.
<u>Suppose it got bent at a point C and let the part CD take the position CA, meeting the ground at A</u>.
i.e., CD = AC = h m
<u>Broken part makes 60° angle from ground</u>
So, ∠BAC = 60°
<u>Now, height of remaining part of tree</u> = (12 – h)m.
In right angled ∆ABC,
sin 60° = BC/AC
⇒ √3/2 = (12 - h)/h
⇒ √3h = 2(12 – h)
⇒ √3h = 24 – 2h
⇒ √3h + 2h = 24
⇒ h(√3 + 2) = 24
⇒ h(1.732 + 2) = 24
⇒ h(3.732) = 24
⇒ h = 24/3.732 = 6.4308 m
<u>Hence, height of broken tree from ground</u>
⇒ BC = 12 – h
⇒ 12 – 6.4308 = 5.569m
<u>Hence, tree is broken 5.569 m from ground</u>.
<u>Note</u>: See attached picture.
Answer:
Step-by-step explanation:
The master chief has three and a half cookies i.e. numbers of cookies.
Again the arbiter has five and three quarters of a cookie i.e. number of cookies.
Therefore, in total there are numbers of cookies.
If we divide the total number of cookies in to equal parts and distribute to then then each of them will get numbers of cookies. (Answer)