3 years ago

Please help with these problems!!!

Mathematics

1 answer:

nataly862011 [7]3 years ago

3 0

Answer:

12345678901234567890

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O triplo de um mumero somado a 9 e igual a 30 .qual e esse numero

-Dominant- [34]

Do you think than i ve understood it right

3x+9=30

3x=21

x = 21/3 = 7

x = 7

hope helped

7 0

4 years ago

What’s the correct answer for this?

VMariaS [17]

Answer:

Second option is the correct answer

$(x+11)^2+(y+6)^2 = 324$

Step-by-step explanation:

$x^{2} +12y+22x+y^2-167=0\\x^{2}+22x +y^2 +12y-167=0\\(x^{2}+22x +121)-121 +(y^2 +12y+36)-36-167=0\\(x+11)^2+(y+6)^2-324 = 0\\\huge\red{\boxed{(x+11)^2+(y+6)^2 = 324}}\\$

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3 years ago

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Solve for x. 2 x - 6 / 4 = 10 x = [?]

ra1l [238]

Answer:

x = 5.75

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask ÷)

7 0

3 years ago

5.The sales tax rate 6.3%. a. find the tax paid for a pair of earrings with a list price of $77

Nookie1986 [14]

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
The answer is $4.85;$81.85 which is B.

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3 years ago

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98,835 divided by 790 anybody? I keep getting this wrong...

stira [4]

This was what I got.

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3 years ago