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Korvikt [17]
3 years ago
9

2 and 1/2 divided by 1/3

Mathematics
1 answer:
Keith_Richards [23]3 years ago
7 0
2 \frac{1}{2}: \frac{1}{3}= \frac{5}{2}\cdot  \frac{3}{1}= \frac{15}{2}=7 \frac{1}{2}

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C.) 4. Solve the system of equations
raketka [301]
You can set them equal to each other so -3x+4=4x-10 and then you add 3x and 10 on both sides and get7x=14 and then divided both sides by 7 and get x = 2 and check by plugging in and you get -2 for y on both so solution is x=2
7 0
3 years ago
A number is doubled and then 1 is added to it. The answer is divided by 5 and then increased by 16. The final result is 18.
ipn [44]
<h2>A.</h2>

So let's break down this sentence (Let n = unknown number):

  • "A number is doubled and then 1 is added to it"; Remember that double means multiplied by 2. With this sentence, we can determine that "2n + 1" is a part of the equation.
  • "The answer is divided by 5, and then increased by 16"; The "answer" they refer to is "2n + 1" from the prior sentence. Since this is divided by 5 and <em>then</em> added by 16, we can determine that \frac{2n+1}{5}+16 is a part of our equation.
  • "The final result is 18"; This means that the prior part of the equation is equal (=) to 18. <u>With this info, our full equation is \frac{2n+1}{5}+16=18</u>
<h2>B.</h2>

Now, let's solve our prior equation found in A. To solve for the unknown number, n, we need to isolate the variable onto 1 side of the equation. Firstly subtract both sides by 16 to cancel out the + 16 on the left side:

\frac{2n+1}{5}=2

Next, multiply both sides by 5 to cancel out the division on the left side:

2n+1=10

Next, subtract both sides by 1 to cancel out the + 1:

2n=9

Lastly, divide both sides by 2 to cancel out the multiplication:

n=\frac{9}{2}\ \textsf{OR}\ 4.5

<u>In short, the number is 9/2 or 4.5.</u>

8 0
3 years ago
The percent-of-sales method for computing uncollectible accounts:
katrin [286]
The answer is c

It is easier quicker to apply
3 0
3 years ago
The distance around a circular lampshade is 219.8 mm. If Gail measures straight across the center of the lampshade from one side
fredd [130]

Answer: Longest distance  she could measure is 70 mm


Step-by-step explanation:

To find the longest distance from one side to other across the center we have to find the diameter of the lampshade.

As it is given that the distance around the lampshade is 219.8 mm which is equal to the circumference of the lampshade.


Circumference of the lampshade is = πD, where D is the diameter of the lampshade

219.8= 3.14D where the value of π=3.14

Divide both sides by 3.14 we get

\frac{219.8}{3.14} = D

on solving we get

D = 70

5 0
3 years ago
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0.22y × 0.06 =<br>please help me​
irakobra [83]

Answer:

0.0132y :DDDDDDDDDD

7 0
2 years ago
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