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STALIN [3.7K]
2 years ago
10

Maje a ten or hundred to add mentally

Mathematics
1 answer:
NeTakaya2 years ago
6 0
You can add numbers mentally if there are zero's behind them.
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6. When x = 2, 3x – 1= -
AlekseyPX

Answer:

5

Step-by-step explanation:

3x - 1 = 3(2) - 1

         = 6 - 1

         = 5

6 0
3 years ago
3^-1 ___ 1/4 <br> a &gt; <br> b &lt; <br> c =
Readme [11.4K]

Answer:

a ">"

Step-by-step explanation:

3 to the power negative one (-1) is the same as 1/3 (one unit divided by 3).

1/4 on the other hand is one unit divided by 4.

Dividing one object into three parts (think for example a chocolate bar) gives you a larger (greater) piece than dividing it into four equal pieces.

Therefore 1/3  > 1/4

8 0
3 years ago
Match the two numbers with their least common multiple (LCM).
vovangra [49]

Answer:

The middle one cause 8 cant go into 30 and 4 cant go into 30

Step-by-step explanation:

4 0
2 years ago
the approximate distance from Earth to the sun is 93 million miles, what is the approximate distance from Venus to the sun?
Amanda [17]
That would be approx. 67.24 million miles
hope this helped! 
<3
8 0
3 years ago
16. Rihanna is the founder and CEO of Fenty Beauty on the release day of her new product,
olga2289 [7]

Answer:

A. f = 400 + 50d

Step-by-step explanation:

First, let's understand each quantity/variable.

  • d: The variable, d, represents the number of days.
  • f: f represents the total amount of eyeliners sold after each day.
  • 400 eyelines sold: This means that Rihanna sold 400 eyeliners on the first day of the release of her liquid eyeliner. This is known as the y-intercept.
  • 50 eyeliner sales per day: This means that after her first day, Rihanna sold 50 eyeliners each day. This can be represented as 50d.  

Now that we understand these variables, we can conclude that the equation would be A. f = 400 + 50d because to find the total, we have to add the 400 eyeliners sold at the beginning to the 50 eyeliner sales per day.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

7 0
2 years ago
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