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k0ka [10]
4 years ago
11

Can someone help me?

Mathematics
1 answer:
ruslelena [56]4 years ago
8 0

Answer:

Step-by-step explanation:

Yeah.I would be glad to.

What do you need help with?

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Suppose x = 5 is a solution to the equation 4x − 3(x + a) = 2. Find the value of a that makes the equation true. Group of answer
xz_007 [3.2K]
Just replace all of the x’s with 5 and solve using order of operations. I will post what I got for my answer in the comments of the answer if you need it.
6 0
3 years ago
Rationalize the denominator 2√7+√3/3√7-√3​
Dahasolnce [82]

Answer:

\frac{2 \sqrt{7}  + \sqrt{3}}{3 \sqrt{7} -  \sqrt{3}  }  =  \frac{2 \sqrt{7}  + \sqrt{3}}{3 \sqrt{7}  -  \sqrt{3} } . \frac{3 \sqrt{7} +  \sqrt{3}  }{3 \sqrt{7} +  \sqrt{3}  }  \\  \\  =  \frac{(2 \sqrt{7} + 3)(3 \sqrt{7}  +  \sqrt{3})  }{(3 \sqrt{7}  - 3)(3 \sqrt{7} +  \sqrt{3} ) }  \\  \\  =  \frac{(42 + 2 \sqrt{21} + 9 \sqrt{21}   + 3 \sqrt{21} )}{63 - 3}  \\  \\  =  \frac{42 +  2\sqrt{21}  + 9 \sqrt{21} + 3 \sqrt{21}  }{60}

5 0
3 years ago
Read 2 more answers
20 is what percent of 80? Choose the equation to solve the problem
Mila [183]

Answer:

A

Step-by-step explanation:

5 0
2 years ago
I NEED HELP ASAP!!!!!
zavuch27 [327]

√y

Step-by-step explanation:

The question given is;

\frac{y^{\frac{3}{4} } }{y^{\frac{1}{2} } }

This can be written as;

y^{\frac{3}{4} } /y^{\frac{1}{2} }

Apply law  indices where you divide same base, subtract the powers

y^{\frac{3}{4} -\frac{1}{2} } \\\\\\y^{\frac{1}{2} } \\\\\\\sqrt{y}

Learn More

Indices: brainly.com/question/12685658

Keyword : rational exponents,radical expressions,integer

#learnwithbrainly

3 0
3 years ago
Please help 30 points will mark brainliest.
xenn [34]

Answer:

12(x-1)2-(3x-5^)2

Step-by-step explanation:

Apply the distributive property.


3 0
3 years ago
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