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suter [353]
3 years ago
11

Ortencia made the following grades on her tests: test #1, 90; test #2, 80; test #3, 95; test #4, 90; test #5, 85. She wants to p

lot her progress on a coordinate plane where the test number is on the x-axis and the test grade is on the y-axis.
What is the range?
Mathematics
1 answer:
Sergio [31]3 years ago
3 0
The range is the highest number to the lowest number. so 80 and 95 with 15 point in between
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atroni [7]

Answer:

If a + b = 0 then a = 0 and b =0

a  | b | a + b (answer)

0 | 0 | 0

0 | 1  | 1

0 | 2 | 2

1  | 0 | 1

2 | 0 | 2

1  | 1  | 2

2 | 1  | 3

 

Step-by-step explanation:

Considering the following conditions for the real numbers:

a\geq 0\\b\geq 0

Following the rules of these in-equations, it is possible to deduce:

a + b \geq 0

Then, if the proposed statement is:

a + b = 0

The conditions above shall comply the requirements established, but first, analyzing the statement:

If a \geq 0 and b \geq 0 then a + b \geq a, a + b \geq b and a + b \geq 0.

If a = 0 and b a non negative real number, then a + b \geq b, but because to a = 0, then a + b = b. Due to the commutative property of sums, the same behavior will be presented if b = 0 and a a non negative real number.

According to that, if  a + b = 0, then a = 0 and b = 0.

7 0
3 years ago
Which is the correct algebraic representation of the transformation displayed on the graph?
zheka24 [161]

Answer:

B

Step-by-step explanation:

Its correct tm

4 0
3 years ago
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I am a 4 digit number larger than 2,500. No two of my digits are the same. The product of the thousands digit and the hundreds d
gulaghasi [49]

Answer:

After 5 minutes of hitting my head on a wall I found your answer... 3256

Step-by-step explanation:

4 0
3 years ago
9+8{7•6-5[4+(3-2•1)]}=?​
34kurt

Answer:

145

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

9+8{7*6-5[4+(3-2*1)}]}

9+8{7*6-5[4+1]}

9+8{7*6-25}

9+8{42-25}

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145

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

Please, please give brainliest, it would be greatly appreciated, I only a few more before I advance, thanks!

5 0
3 years ago
Simplify. <br><br> 54+4(34−12)2<br><br><br><br> Enter your answer in the box.
gtnhenbr [62]

Answer:

230

Step-by-step explanation:

54+4×22×2

54+88×2

54+176

230

3 0
2 years ago
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