3 years ago

What is the value of3-(-2)

Mathematics

2 answers:

Reptile [31]3 years ago

8 0

Answer:

Step-by-step explanation:

zmey [24]3 years ago

4 0

Answer is 5

double negative cancels out and makes a positive, giving you 3+2

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Y intercept of 3x+5y=-30

ELEN [110]

Substitute x=0
5y=-30
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4 0

3 years ago

Is number 4 correct?

Strike441 [17]

Answer:

sure

Step-by-step explanation:

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3 years ago

Perform the indicated row operations

SVETLANKA909090 [29]

Answer:

$\begin{bmatrix}2 & -1 & -4 & 7\\ 0 & -30 & 20 & -50\\ 0 & 30 & 24 & 6\end{bmatrix}$

Step-by-step explanation:

Given matrix is,

$\begin{bmatrix}2 & -1 & -4 & 7\\ 0 & 3 & -2 & 5\\ 0 & 10 & 8 & 2\end{bmatrix}$

Operations performed,

-10R₂ → R₂

$\begin{bmatrix}2 & -1 & -4 & 7\\ 0 & -30 & 20 & -50\\ 0 & 10 & 8 & 2\end{bmatrix}$

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$\begin{bmatrix}2 & -1 & -4 & 7\\ 0 & -30 & 20 & -50\\ 0 & 30 & 24 & 6\end{bmatrix}$

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3 years ago

X + 3 < 15<br> what is 4

professor190 [17]

Answer:

X = > 12 because 15 - 3 = 12 and if X was more than 12 it would be wrong.

Step-by-step explanation:

6 0

3 years ago

9. 1.3(c – 4) ≤ 2.6 + 0.7c

Julli [10]

Answer:

c ≤ 13

I think what was the question tho

Step-by-step explanation:

3 0

2 years ago