MATHEMATICS MIDDLE SCHOOL

All of the following expressions are equivalent to 12w + 6, except:a.-1(12w - 6)
b.(3 + 6w)2
c.6(1 + 2w)
d.-1(-12w - 6)

Answers

Answer 1
Answer: When you distribute the constants in each case, letter a. is wrong because it turns out to be -12w + 6 which \neq to 12w + 6
Answer 2
Answer:

Answer:

A is the answer!!!

Step-by-step explanation:

Have a good day Piccola!!!!

-leeknowishawt

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16x²-81=0 solve the following quadratic equation

Answers

16x^2-81=0\n\n(4x)^2-9^2=0\n\n(4x-9)(4x+9)=0\iff4x-9=0\ \vee\ 4x+9=0\n\n4x=9\ \vee\ 4x=-9\n\nx=(9)/(4)\ \vee\ x=-(9)/(4)


or\n\n16x^2-81=0\n\n16x^2=81\ \ \ \ /:16\n\nx^2=(81)/(16)\n\nx=\pm\sqrt(81)/(16)\n\nx=-(√(81))/(√(16))\ \vee\ x=(√(81))/(√(16))\n\nx=-(9)/(4)\ \vee\ x=(9)/(4)
16x^2-81=0
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x=9/4 or x=-9/4

Comparing and Extending Ratios Pam and her brother have a pattern to saving money. Pam has saved $40 and her brother has saved $100. Pam says that this means that for every $2 she saves, her brother saves $5. Is she correct?

Answers

I think she is correct because if u divide 100 to 5 u'll get 20 and if u divide 40 to 2 u'll get 20 so yea

The ratio of boys to girls in a venior Senior Promede is 4:3 Jane counted that- there are 12 more boys than girls. How many boys and girls, how many are there
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Answers

Answer:

36 girls, 48 boys . Total of 84 in the prom.

Step-by-step explanation:

Let the number of girls be x, then the number of boys is x+12.

So we have the equation:

4/3 = (x + 12) / x

4x = 3x + 36

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So there are 36 girls and 48 boys in the prom.

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Answers

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Answers

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Answers

5e-4(3+2e)=\n5e-12-8e=\n-3e-12
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