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Anastaziya [24]
3 years ago
5

Please help!! asap!!!

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
6 0

Solution:

Rewrite 3 ≥ y - 2 for easier calculation:

y - 2 ≤ 3

Move the term:

y ≤ 3 + 2

y ≤ 5

When graphing the solution, filled dot (black arrow) is used for ≤ and ≥ while empty dot (white arrow) is used for < >

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A reflection maps the point (2, 3) to the point (2, -3).
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Answer:

x axis

Step-by-step explanation:

We know the x value stays the same. If you were to graph the line y=3 and y=-3, you would see that it is a reflection over the x axis.

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3 years ago
Solve the following system using a matrix.<br><br> 7a - b = -1<br> -4a - 2b = -2
Assoli18 [71]

1. <u><em>a=-1+b/7 is the right answer.</em></u>    First you had to add by b from both sides of equation, and it gave us, 7a-b+b=-1+b. And then simplify, and it gave us, 7a=-1+b. Divide by 7 from both sides of equation, and it gave us, \frac{7a}{7}=-\frac{1}{7}+ \frac{b}{7}. Finally simplify, and it gave us the answer is a=-1+b/7 is the right answer.

________________________________________________________

2. <em><u>a=-b-1/2 is the right answer.</u></em>     First you had to add by 2b from both sides of equation, and it gave us, -4a-2b+2b=-2+2b. And then simplify, and it gave us, -4a=-2+2b. Next you can also divide by -4 from both sides of equation, and it gave us, \frac{-4a}{-4}=-\frac{2}{-4}+\frac{2b}{-4}. Finally simplify, and it gave us the answer is a=-b-1/2 is the right answer. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

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3 0
3 years ago
Read 2 more answers
PLEASE HELP! WILL GIVE BRAINLIEST!
ANTONII [103]

Answer:

(18+21+17+x)÷4=20

x=24 students

Step-by-step explanation:

(18+21+17+x)÷4=20

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56+x=20*4

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x=80-56

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8 0
4 years ago
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MissTica

Answer:

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Step-by-step explanation:

Hope this helped leave a thanks if it did

6 0
3 years ago
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Answer:

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Step-by-step explanation:

8 0
4 years ago
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