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tangare [24]
3 years ago
12

What is the inverse operation that will isolate the variable X-4=-2

Mathematics
1 answer:
Svet_ta [14]3 years ago
7 0
Addition, X=4-2 or X=2
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Pls help me it's due today​
Dimas [21]

Answer:

r³ + 15r² - 10r - 4

Step-by-step explanation:

First, note you can remove the brackets, in this case they contribute nothing at all.

Then, group the like terms and add them, e.g., we have 3r³ and -2r², they add up to r³.

Finally, order them from greatest power of r to smallest power of r.

That's all!

8 0
3 years ago
A chemist has 200mL of a 10% sucrose solution. She adds x mL of a 40% sucrose solution. The chemist needs the concentration of t
LekaFEV [45]

Answer:

566

Step-by-step explanation:

6 0
3 years ago
A $35 decrease followed by a $25 increase, is it greater than original, smaller or same as
nasty-shy [4]
I believe the answer is smaller than
8 0
3 years ago
Read 2 more answers
A fair-sided coin is tossed 18 times.
Lady bird [3.3K]
Most likely to be letter C
5 0
2 years ago
What is the value of z in the equation 2(4z − 3 − 21) = 166 − 46? 21 24 30 36
Nataly_w [17]
2(4z-3-21)=166-46

Combine like terms
2(4z-24)= 120

Distribute
8z-48= 120

Add 48 to both sides
8z= 168

Divide both sides by 8
z=21

Final answer: z=21
5 0
2 years ago
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