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Nataly [62]
3 years ago
8

The sign shows the prices of various school

Mathematics
1 answer:
mars1129 [50]3 years ago
6 0

Answer: (D) 1.99x + 1.89y = 9.57

Step-by-step explanation: The reason is because equation option D states that for every notepad and pencil, x and y he bought, the total of his bill would equal $9.57.

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What are the solutions 2x^2 +7x=4
elena55 [62]
So your equation is 2x^{2} +7x = 4. You need to simplify this answer.
So first off, do 2x times 2x.
2 x 2 = 4.
Your equation is now 4x + 7x = 4.
You're already off to a great start, so now let's add 4x + 7x. It is 11x.
Your equation is almost done! It's 11x = 4 right now.
Divide both sides by 11, and your answer is...
0.36363636 and so on, or you can round to the nearest hundreth, in which it will be

0.36.

I hope I helped!
8 0
2 years ago
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Please help me with this statistical question if you can, it would mean alot im really struggling right now
MA_775_DIABLO [31]

Answer:

vcc bc cvfdf

Step-by-step explanation:

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2 years ago
Please use desmos.com to graph and list the coordinates on here. ASAP HELP!!!!
elena-s [515]
Add all the number the points are on and you get your answer
3 0
3 years ago
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1: 1/2 km equals to how many metres?
VMariaS [17]
1.
km=kilometers
kilo=1000
1 km=1000meters
so
1/2km= 1/2 times 1000=1000/2=500meters


2. 1/4 km=1000/4=250 meters

3. 1/5 km=1000/5=200 meters

4. 2/5 km=2000/5=400 meters

5. 3/4 km=3000/4=750 meters

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7 0
2 years ago
Find the geometric mean of the data below:<br><br> 2, 5, 7
Vsevolod [243]

Answer:

\sqrt{70}

Step-by-step explanation:

Given data:

         2, 5 , 7

The geometric mean is a measure of central tendency of a data set which utilizes the product of their values

To find the geometric mean of the given values;

  • multiply them together
  • find the square root;

Geometric mean  = \sqrt{2 x 5 x 7 }  

Geometric mean  = \sqrt{70}

7 0
3 years ago
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