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3 years ago

I need the answer this question hard

Mathematics

1 answer:

Genrish500 [490]3 years ago

6 0

Answer:

option B is the correct answer of this question.

plz mark my answer as brainlist if you find it useful plz .hope this will be helpful to you ☺️.

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3x-5y=-6 -9x-5y=18 whats the answer

Firlakuza [10]

$\left \{ {{3x-5y=-6\ \ | *3} \atop {-9x-5y=18}} \right. \\\\ \left \{ {{9x-15y=-18} \atop {-9x-5y=18}} \right. \\+----\\add\ both\ equations\\\\
-20y=0\ \ \ | divide\ by \ -20\\\\
y=0\\\\
3x-5y=-6\ \ \ \ add\ 5y\\\\
3x=-6+5y\ \ \ | divide\ by\ 3\\\\
x=\frac{-6+5y}{3}=\frac{-6+0}{3}=-2\\\\ x=-2\\ y=0$

4 0

2 years ago

Read 2 more answers

If f(x)=x2-25and g(x)=x-5 ,what is the domain of (f/g)(x)?

djyliett [7]

Answer:

Find the domain.

Interval Notation:

(−∞,5)∪(5,∞)

Set-Builder Notation:

{x|x≠5}

3 0

4 years ago

Please help me with 5th question

aleksley [76]

Answer:

3 kg is the answer

hope it helps you

7 0

3 years ago

Read 2 more answers

Tell whether the triangles are similar.Explain.

Burka [1]

Answer: 13. yes 14. no

Step-by-step explanation:

13. same angles sized down

14. different angles sized down

3 0

3 years ago

help please No links

11Alexandr11 [23.1K]

Answer:

62-0.75x8

Step-by-step explanation

$6=discount

8 tickets

Total=62.00

0.75 multiplied by 8= 6

62-6=56

56 is before the discount

Equation would be 62-0.75x8

8 0

3 years ago