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3 years ago

Simplify 10g + 8g - 5g

Mathematics

2 answers:

hichkok12 [17]3 years ago

7 0

Answer:

13g

Step-by-step explanation:

10g + 8g = 18g

18g - 5g = 13g

Angelina_Jolie [31]3 years ago

3 0

Answer:

13 g

Step-by-step explanation:

10g + 8g = 18g

18g-5g = 13g

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2 years ago

How do you solve this math problem-2(x+3y)=18

ss7ja [257]

Greetings!

Solve for <em>x</em>.
$-2(x+3y)=18$
Distribute the Parenthesis. <em>How?</em> Multiply all of the terms inside the parenthesis by the number outside the parenthesis.
$(-2)*x+(-2)*3y=18$
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Add 6y to both sides.
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Hope this helps.
-Benjamin

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3 years ago

Find the zeros of the function f(x)=x2+2x-3

Lerok [7]

Answer:

x = -1 and x = 3

Step-by-step explanation:

f(x)= x^2-2x-3

f(x) = (x + 1) (x - 3)

Therefore, x = -1 and x = 3

3 0

3 years ago

In a regular polygon each interior angle is 140° greater than each exterior angle. Calculate the number of sides of the polygon

pochemuha

Answer:

18 sides.

Step-by-step explanation:

The interior and exterior angles sum to 180 so:

I + E = 180

also I - E = 140 (given)

So, adding to eliminate E:

2I = 320

I = 160 degrees and the external angle E = 1809 - 160 = 20 degrees.

Since the sum of all exterior angles in a polygon = 360 degrees

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