MATHEMATICS MIDDLE SCHOOL

2 ( 4a - 12 ) + 3a = 6a + 1

Answers

Answer 1
Answer: 2(4a-12)+3a=6a+1
8a-24+3a=6a+1
11a-24=6a+1
5a=25 /:5
a=5
Answer 2
Answer:

Answer:

a = 5

Step-by-step explanation:

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the length of a rectangular building is 6 feet less than 3 times t he width. The perimeter is 120 feet. Find the width and the length of the building.

Answers

Call the width x.  Note that the length is 3x-6.  We know that double the width plus double the length is 120, so we write an equation:

2(x)+2(3x-6)=120
2x+6x-12=120
8x-12=120
8x=132
x=16.5
If x is 16.5, the width is 16.5, and the length is 3 \cdot 16.5 - 6 = 43.5.

Do 3/7 and 7/3 represent the same length on a number line? Explain

Answers

No it does not  represent the same length on a number line.

What is number line?

A number line is a pictorial representation of numbers on a straight line.

here, we have,

3/7 and 7/3

now, 3/7 =0.42 <1

and, 7/3 = 2.33 >1

so, we get,

3/7 is below 1.

And 7/3 is an improper fraction and can be simplified to 1 1/3.

hence, No,  it does not  represent the same length on a number line.

To learn more on number line click:

brainly.com/question/29162579

#SPJ5
No it does not. 3/7 is below 1. And 7/3 is an improper fraction and can be simplified to 1 1/3.

Pls help !!!!!!!!! confused

Answers

If the equation is $5 multiplied by 65 cents, then your answer is $3.25. Cents convert to decimals in math. So, here you go. :)

Why deos it take 3 copies of 1/6 to show the same amount as 1 copy of 1/2 amount

Answers

It is because 3 * (1/6) = 3/6 which can also be 1/2. That is the same as 1 * (1/2) which is 1/2

I need help on a math problem . Thanks A BILLION BRAINLY STUDENTS !!!!!!!!!!!!!!!!!!!!!!!!!1) evaluate the expression 5x+6 for x =-2(whole #) 1/5
KEY # = number
GRADE= 7th grade
SUBJECT = math

Answers

5\cdot\left(-2(1)/(5)\right)+6=\n5\cdot(-2)+5\cdot\left(-(1)/(5)\right)+6=\n-10-1+6=\n-5

Find 1+ 2+ 3+ 4+ ... +50, the sum of the first 50 natural numbers.
The sum is

Answers

Step-by-step explanation:

First term(a) = 1

Common difference(d)=2-1=1

No.of term(n)=50

Sn=n÷2(n+1)=50÷2(50+1)=1275
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