Find the slope of the line for the equation 3y=4. Please explain

Mathematics

1 answer:

eduard3 years ago

6 0

Y=4/3 because if 3 goes to rhs is becomes divided by the number on the rhs so answer is 4/3

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valentinak56 [21]

Use cosine rule,

cos(A)=(b^2+c^2-a^2)/(2bc)
=(10^2+12^2-6^2)/(2*10*12)
=13/15
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cos(B)=(c^2+a^2-b^2)/(2ca)
=(12^2+6^2-10^2)/(2*12*6)
=5/9
B=56.251 degrees.................................(B)

cos(C)=(a^2+b^2-c^2)/(2ab)
=(6^2+10^2-12^2)/(2*6*10)
=-1/15
C=93.823 degrees.................................(C)

Check:29.926+56.251+93.823=180.0 degrees....ok

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3 years ago

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Vilka [71]

Answer:

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Step-by-step explanation:

Look at the attached image.

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For the second part just use the equation to find P when t = -1 and see if P is less than (underpredicts) the number from the question or greater than (overpredicts) the number. I haven't calculated it but I think it will be smaller and thus underpredicts just from looking at the numbers when t = -1

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3 years ago

Describe the location of the point having the following coordinates.

alex41 [277]

Answer:

a graph can be divided into 4 quadrants.

a zero abscissa, means the point lies on the origin.

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bonufazy [111]

You will factor out the common factor of t if you are solving for t. you will then divide both sides by (s+3) to make t the subject of the formula. for this question you can only get t in terms of s.
so:
st+3t=6
t(s+3)/(s+3)=6/(s+3)
t=6/(s+3)

if you are required to solve for s then you are going to subtract 3t from both sides. you can factorise 6-3t .you will then divide both sides by t to isolate s.for this question you can only get s in terms of t.so:

st+3t-3t=6-3t
st/t=2(3-t)/t
s=2(3-t)/t

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3 years ago

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ivanzaharov [21]

Answer:

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Step-by-step explanation:

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