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Masteriza [31]
3 years ago
9

What was developed as a tool used to investigate a change in natural sciences?

Mathematics
2 answers:
dolphi86 [110]3 years ago
4 0

The Scientific Method.

Hope this helps ^^

andrezito [222]3 years ago
4 0

Answer:

The Scientific Method

Step-by-step explanation:

The Scientific method has many steps to help you evaluate a change

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Help, with solving rational equations! I am no good at it :( Solve for x: 2 over 5 plus 3 over 5 x equals quantity x plus 5 over
mamaluj [8]
If this is your equation: \frac{2}{5} + \frac{3}{5x} = \frac{x+5}{10}
Solution:
LCD for 5 and 5x is 5x
\frac{x}{x} ( \frac{2}{5} )+ \frac{3}{5x} = \frac{x+5}{10}
\frac{2x}{5x} + \frac{3}{5x} = \frac{x+5}{10}
\frac{2x+3}{5x} = \frac{x+5}{10}
10(2x+3)=5x(x+5) ←cross product
20x + 30 = 5x² + 25x  ←simplify with distributive property
0 = 5x² + 5x - 30 ←use inverse operations to collect all terms on one side
0 = x² + x - 6  ←if possible divide by numerical GCF (This case 5)
0 = (x + 3)(x - 2) ←Factor
x = -3 or x = 2
Please check by substitution in original equation... Both work
4 0
3 years ago
My problem is : P=2L+2W solve for L
natima [27]
Answer:
L = P/2 - W

Explanation:
Step 1 - Start by factoring out the two

P = 2L + 2W
P = 2(L + W)

Step 2 - Divide both sides of the equation by two

P = 2(L + W)
P/ 2 = 2(L + W)/ 2
P/ 2 = L + W

Step 3 - Subtract W from both sides of the equation

P/ 2 = L + W
P/ 2 - W = L + W - W
P/ 2 - W = L
3 0
3 years ago
Read 2 more answers
Can anyone help me? can u solve this for me?
AnnZ [28]

x=8 is the answer fellow user

7 0
3 years ago
Samantha has some dimes and quarters. She has 7 more dimes than quarters and the collection of coins is worth $10.15. How many d
Umnica [9.8K]
Omg my name is Samantha sorry i can’t help you. I hope someone can help you!!!!
6 0
3 years ago
BRAINLIEST!!! +15 POINTS!!! REAL ANSWERS ONLY!!!
brilliants [131]

Answer:

x= 10,-2 (so basically x=10)

Step-by-step explanation:

Input each answers

3 0
2 years ago
Read 2 more answers
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