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Eduardwww [97]
4 years ago
12

PLEASE HELP ASAP! I AM TIMED!

Mathematics
1 answer:
Flura [38]4 years ago
3 0

Answer:

4, 9, 100, n^2

Step-by-step explanation:

Its very simple, all you have to do is find the number to the power of two because its a square.

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How would you substitute 2x+3y=12 and 4x=10+y
Helen [10]

Answer:

<h2>x = 3, y = 2</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}2x+3y=12\\4x=10+y&\text{subtract 10 from both sides}\end{array}\right\\\\\left\{\begin{array}{ccc}2x+3y=12&(1)\\4x-10=y&(2)\end{array}\right\\\\\text{Substitute (2) to (1):}\\\\2x+3(4x-10)=12\qquad\text{use the distributive property}\\2x+(3)(4x)+(3)(-10)=12\\2x+12x-30=12\qquad\text{add 30 to both sides}\\14x-30+30=12+30\\14x=42\qquad\text{divide both sides by 14}\\\\\dfrac{14x}{14}=\dfrac{42}{14}\\\\x=3

\text{Put it ot (2):}\\\\y=4(3)-10\\y=12-10\\y=2

3 0
3 years ago
If someone could just help me with this PLEASE !! or explain it to me ..?
Eva8 [605]

Answer:

part A: 5/12

part B: 5/144

part C: when you pick the red marble without replacing them, the sequence becomes like this: 5/12 --> 4/12 --> 3/12. So if you multiply them all for each draw, you get 5/144

St

4 0
3 years ago
What is -7 + (-1) =_________ NEED ANSWER ASAP PLS HELP
jok3333 [9.3K]

It would be -8 because when you add a negative and a negative you get a negative

4 0
4 years ago
Read 2 more answers
Help please !!:) For y =3x -2x^2 +5x^3 show how to find the value for y when x = 3
victus00 [196]

y = 3x-2x∧2+5x∧3

When we replace x with value 3 we get

y = 3 * 3 - 2 * 3∧2 + 5 * 3∧3 => y = 9-2*9+5*27 => y = 9-18+135 => y = 126

good luck!!!

7 0
4 years ago
What is the image of the point (-2,7) after a rotation of 180° counterclockwise
erastovalidia [21]
The answer to the question is that question i was the first one in eyesight
6 0
3 years ago
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