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kirill [66]
3 years ago
7

Find the missing number so that the equation has no solutions. x+20= – 4x+3

Mathematics
1 answer:
valkas [14]3 years ago
8 0

Answer: Its 3x

Step-by-step explanation:

I don't really know how to explain it.

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Are -3.86 and 2.9 on the same side or the opposite side of zero ?
RoseWind [281]

-3.89 and 2.9 are on opposite sides

-3.89 is a negative number, so it is to the left of 0

2.9 is a positive number, so it is to the right of 0

Hope this helps

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Which expression can be used to find 80% of 120?
Leya [2.2K]
Answer
(0.8) (120)
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You are working on an experiment where you want to test the effects of caffeinated beverages on the behavior of cats. You will t
vichka [17]
For the experiment, you need 2L of cola. Your first option would be to purchase 1 2L bottle of cola for $2.25. 

To calculate the second option, let's convert milliliters to liters first. There are 1,000 milliliters in 1 liter. With this, we know that there are 2,000 milliliters in 2 liters. Option 2 comes in 500-milliliter cans, which means that you would need 4 of them (2,000/500 = 4). 4 cans multiplied by $0.50 would cost you $2.00. 

Let's check the cost of your answer options.
A. 4 cans - As seen above, this would cost $2.00.
B. 1 bottle - From the question, we know this would cost $2.25.
C. 2 bottles - This would be more soda than you need and would cost $4.50 ($2.25x2)
D. 1 can - This would be .5L and not enough soda for the experiment.
E. 5 cans - This would cost $2.50, but would be an extra 500mL of soda.
F. 2 cans - This would only be 1L of soda and not enough for the experiment.
G. 3 cans - This would be 1.5L of soda and not enough for the experiment either.

For the best price option, you would choose A (four cans of soda). This would give you the amount of soda that you need at the lowest price.
6 0
3 years ago
Alexandra has 78 emails in her inbox. She deletes 47 emails.How many emails are left in het inbox? Draw jumps and level the numb
ad-work [718]

Answer:

31 emails, but I can't do a # number line.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Solve: (a + 11)9 <br><br>plz help ill give the first person brainliest i need it in 10 minutes
ser-zykov [4K]

\\ \tt\longmapsto 9(a+11)

Apply distributive law

  • a(b+c)=ab+ac

\\ \tt\longmapsto 9a+9(11)

\\ \tt\longmapsto 9a+99

8 0
2 years ago
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