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Arlecino [84]
3 years ago
9

Ink is a common drawing medium. Which of these statement about drawing with ink is not true?

Mathematics
2 answers:
Juliette [100K]3 years ago
6 0
You can use it under water
sleet_krkn [62]3 years ago
3 0
Is there any options I don´t see any...
Fix it!
Thank you I´ll try to help!
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This writing prompts is hard
Solnce55 [7]
A.) Simplifying the equation would lead you to 15x^2-3x+9

b.) You know your answer is correct because you're adding the two polynomials together. 9x^2+6x^2 is 1tx^2. Now you have 2x-5x and since the negative is bigger, you get -3x. Then 5+4 is 9. You have no like terms therefore your answer is 15x^2-3x+9
7 0
4 years ago
What is the odd number?​
insens350 [35]

Step-by-step explanation:

A whole number that is not able to be divided by two into two equal whole numbers. Example: 1, 3, 5, and 7 are odd numbers

6 0
3 years ago
How do you find the square of a number without multiplication?
xz_007 [3.2K]

you need to multiply but the answer is 512

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3 years ago
Read 2 more answers
Use the given information to find the equation of the line Slope -2 and passes through (1,1)?
GrogVix [38]
If its a gradient of -2 then y = c - 2x. if y = 1 when x = 1 then c = 1 + 2 so the equation would be y = 3 - 2x
7 0
4 years ago
Find the standard deviation if the mean of a sample is 72, a z-score of 3 Raw Score: 42 Raw Score: 81
Fynjy0 [20]

Answer:

a) when x = Raw Score: 42

Standard deviation = σ = -10.3

b) Raw Score: 81

Standard deviation = σ = 2.67

Step-by-step explanation:

Find the standard deviation if the mean of a sample is 72, a z-score of 3

Z score formula is given :

z = (x-μ)/σ,

where

x is the raw score

μ is the population mean = 73

σ is the population standard deviation

z = 3

a) when x = Raw Score: 42

z = (x-μ)/σ

3 = 42 - 73/σ

Cross Multiply

3σ = 42 - 73

3σ = -31

σ = -31/3

σ = -10.3

b) Raw Score: 81

z = (x-μ)/σ

3 = 81 - 73/σ

Cross Multiply

3σ = 81 - 73

3σ = 8

σ = 8/3

σ = 2.67

6 0
3 years ago
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