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Pavel [41]
3 years ago
9

Distributive property to expand the algebraic expression.

Mathematics
1 answer:
frozen [14]3 years ago
8 0

Answer:

Step-by-step explanation:

Distributive property: a(b + c) = (a*b) + (a*c)

15(0.5g + 1.2s) = 15*0.5g + 15*1.2s

                       = 7.5g + 18s

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L

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Step-by-step explanation:

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3 years ago
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Two items in a package have a combined weight of 6 1/4 kg. If one weighs 2 5/8 kg what is the weight of the second item?
mamaluj [8]

Answer:

3 7/8

Step-by-step explanation:

6 1/4 = 25/4 and 2 5/8 = 19/8

25/4 - 19/8 = 3 7/8

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2 years ago
Help? Solve the system of equations.<br><br> y = 3x<br> y = x2 + 3x – 16<br> solutions: ( );( )
mote1985 [20]

Answer:

(- 4, - 12 ) , (4, 12 )

Step-by-step explanation:

Given the 2 equations

y = 3x → (1)

y = x² + 3x - 16 → (2)

Substitute y = x² + 3x - 16 into (1)

x² + 3x - 16 = 3x ( subtract 3x from both sides )

x² - 16 = 0 ( add 16 to both sides )

x² = 16 ( take the square root of both sides )

x = ± \sqrt{16} = ± 4

Substitute these values into (1) for corresponding values of y

x = - 4 : y = 3 × - 4 = - 12 ⇒ (- 4, - 12 )

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6 0
3 years ago
If f(x) equals x/2+8 what is f(x) when x=10
Sphinxa [80]

Answer:

13

Step-by-step explanation:

Since we want to find f(x) when x equals 10, we can substitute 10 in for x

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f(10)=10/2+8

Divide 10 by 2

f(10)=5+8

Add 5 and 8

f(10)=13

So, f(x) when x=10 is 13

4 0
3 years ago
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