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Tomtit [17]
3 years ago
6

Simplify: 2cd3 (c- d+5)

Mathematics
1 answer:
sasho [114]3 years ago
6 0

Answer:

2c2d3 − 2cd4 + 10cd3

hope it helps

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Need Help help me plz ;(
omeli [17]
So in order to solve you must first combine like terms.
-2y + 2y + 3 = 3
0 + 3 = 3
Subtract 3.
0 = 0
The answer is infinate solution because both numbers are the same.
I hope this helps love! :)
7 0
3 years ago
Lydia earned $9.75 per hour last summer. She worked 25 hours a week. About how much did she earn in 8 weeks.
Kay [80]
Lydia earned $1,950 in 8weeks
5 0
3 years ago
Help Please I’ll Give Brainliest :)
Mnenie [13.5K]

Answer:

5 tables

Step-by-step explanation:

3 = 24

1 = 24 ÷ 3 = 8

40 chairs = 40 ÷ 8 = 5

Hope this helps!

7 0
3 years ago
Read 2 more answers
Ln(x+2)-ln(4x+3)=ln(1/2*x)
iris [78.8K]
<span>ln(x+2)-ln(4x+3)=ln(1/2*x)

Using properties of  logarithms

</span>\frac{ln(x+2)}{ln(4x+3)} = ln  \frac{x}{2}&#10;\\ \\  \frac{x+2}{4x+3} = \frac{x}{2} &#10;\\ \\2(x+2)=x(4x+3)&#10;&#10;2x+4=4x^2+3x&#10;\\ \\ 4 x^{2} +x-4=0&#10;\\ \\ x= \frac{-b+/- \sqrt{b^{2}-4ac} }{2a} &#10;\\ \\ x= \frac{ -1+/-\sqrt{1+64} }{8} &#10;\\ \\ x_{1} =  \frac{-1+ \sqrt{65} }{8} &#10;\\ \\ x_{2} = \frac{-1- \sqrt{65} }{8} &#10;&#10;Check:&#10;&#10;When you substitute x_{2} into&#10;\\ \\ ln(4x+3)=ln(4* \frac{-1- \sqrt{65} }{8} ) =ln( \frac{-1- \sqrt{65} }{2} ) &#10;&#10;you will get negative number under ln,  that is impossible ,&#10;&#10;&#10;
<span>
so x2 is not a solution of this logarithmic equation.

Only x1 is a solution.


</span>
3 0
3 years ago
2x-5(x-5)=4+2x-11 explain please
ra1l [238]

Answer:

2x-5x+25=4+2x-11

-3x+25=2x-7

25=5x-7

5x=32

x=32/5

4 0
2 years ago
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