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Artist 52 [7]
3 years ago
11

Solve for x -12+4=100

Mathematics
1 answer:
strojnjashka [21]3 years ago
3 0

Answer by JKismyhusbandbae:

x-12+4=100\\\mathrm{Add/Subtract\:the\:numbers:}\:-12+4=-8\\x-8=100\\\mathrm{Add\:}8\mathrm{\:to\:both\:sides}\\x-8+8=100+8\\\mathrm{Simplify}\\x=108

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If of a number is 56, what was the original number
dexar [7]
The original number is 140
for this problem you will need to do a proportion 
40/100 = 56/x
40x = 56 * 100
40x = 5600
40x/40 = 5600/40
x = 140

hope this help with other problems
3 0
3 years ago
Read 2 more answers
Use implicit differentiation to find an equation of the tangent line to the curve at the given point. 7x2 + xy + 7y2 = 15, (1, 1
riadik2000 [5.3K]
Assume y=y(x).

7x^2+xy+7y^2=15
\dfrac{\mathrm d}{\mathrm dx}[7x^2+xy+7y^2]=\dfrac{\mathrm d}{\mathrm dx}[15]
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The point-slope form of the tangent line is then

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3 years ago
If the triangle ABC is similar to the triangle DEF, estimate the area of triangle ABC if the area of the triangle DEF is 90
KonstantinChe [14]
Take DEF & ABC you'll get your area
4 0
4 years ago
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Pending Review Question 7
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Answer:

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I=PRT

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3 years ago
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