0.9x + 2.3x = -6.4I don't understand this lol
2 answers:
Answer: Solving for x
Step-by-step explanation:
First add the known variables. This gets you 3.2
Next, since you know that multiplication is used to find 6.4 we take the inverse. 6.4/3.2
To get 2.
And finally, check you work.Fill in the x value and substitute for x. .9(2) + 2.3(2) to make sure your division is correct.
Hope this helps!!
Answer:
-2
Step-by-step explanation:
0.9x + 2.3x = -6.4
3.2x = -6.4
x = -2
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Answer:
9c -4d
Step-by-step explanation:
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Combine like terms
6c + 3c − 8d +4d
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Answer:
375.66 cm²
Step-by-step explanation:
The two semicircles add to a full circle.
For the circle, d = 18 cm.
r = d/2 = 9 cm.
A = LW - πr²
A = (35 cm)(18 cm) - 3.14(9 cm)²
A = 375.66 cm²
the gcf would be 9 because you can divide both by 9
