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cricket20 [7]
3 years ago
14

Multiply and solve for x: x(x + 12) – 8x = 14 + x(x – 4)

Mathematics
1 answer:
erik [133]3 years ago
6 0
Using the distribution method:

x^2 + 12x - 8x = 14 + x^2 - 4x

x^2 + 4x = x^2 - 4x + 14

Now, I'm isolating x by moving all the x's onto one side of the equation:

x^2 - x^2 + 4x + 4x = 14

Combine like terms (x^2 cancels out):

8x = 14

x = 14/8

Simplified: x = 7/4
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Max has 5 apples he gives away 2 How many apples does he have left
LUCKY_DIMON [66]
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4 0
3 years ago
Jordans have a rectangular garden. want to build a diagonal pathway across he garden. the length of pathway is 90 ft. width of g
blondinia [14]
So we see the pythagorean theorem
a^2+b^2=c^2
diagonal=c
width=a or b, pick one
width=a
legnth=b
width is 5 times more than 2 times legnth of garden
w=5(2legnth)
this doesn't make sense since the legnth is normally longer than the width, but we'll stick with that
w=5(2l)
w=10l
a=10b
(10b)^2+b^2=90^2
100b^2+b^2=8100
101b^2=8100
divide by 101
b^2=80.198 aprox 80.2
square root
8.95533
legnth of garden =8.96
to find width subsitue
w=10l
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legnth=8.96
width=89.56
4 0
3 years ago
Read 2 more answers
Please Help! Geometry!
OleMash [197]

Answer:

area = 22,272

Step-by-step explanation:

area = length * width

to calculate the width, we need the first segment using the pythagorean theorem

87^{2} + x^{2} = 145^{2}

7569 + x^{2}  = 21025

x^{2} = 13456

x = 116

length = 116 + 140 = 256

so

area = 87 * 256 = 22,272

4 0
3 years ago
Perform the operation(s) and write the answer in simplest form. (12+13)÷154
wariber [46]

Answer:

0.162

Step-by-step explanation:

(12+13)/154

25/154

0.162

7 0
3 years ago
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