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ankoles [38]
3 years ago
8

What is the value of 4p-2 when p=8

Mathematics
1 answer:
3241004551 [841]3 years ago
3 0

Answer: Hence, the value of expression is 30 when p = 8.

Step-by-step explanation:

Since we have given that

4p-2

and we have p = 8.

So, we substitute the value of p in the above expression.

so, it becomes,

4(8)-2\\\\4\times 8-2\\\\=32-2\\\\=30

Hence, the value of expression is 30 when p = 8.

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belka [17]

Answer:

x^2-4x+12

Step-by-step explanation:

(x-2)(x-6)

x(x-6)-2(x-6)

x^2-6x-2x+12

x^2-4x+12

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8 0
2 years ago
Lamar bought a table on sale for $399. This price was 24% less than the original price. What was the original price?
xxMikexx [17]

$525

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4 0
2 years ago
Find the product.
IrinaK [193]
(2n+1)(2n-1)(n+5)
=(4n^2+2n-2n-1)(n+5)
=(4n^2-1)(n+5)
=4n^3-n+20n^2-5
4n^3+20n^2-n-5
4 0
3 years ago
an artificial lake is in the shape of a rectangle and has an area of 9/20 square mile. the width of the lake is 1/5 the length o
Gnom [1K]
X=length
y=width
Area (rectangle)=length x width
we suggest this system of  equations:
y=x/5
xy=9/20
solve this system of equations by substitution method:
x(x/5)=9/20
x²/5=9/20
Least common multiple=20
4x²=9
x²=9/4
x=⁺₋√(9/4)
we have two solutions:
x₁=-3/2   it does not validate
x₂=3/2    ⇒y=x/5=(3/2)/5=3/10

The dimensions of the lake are:
lengh=3/2 miles
width=3/10 miles

to check:
Area=3/2 miles x 3/10 miles=9/20 miles².
width is 1/5 the length of the lake ⇒  3/10 miles=(3/2) /5 miles

7 0
3 years ago
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