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fomenos
3 years ago
7

How do you solve:6r+7=13+7r

Mathematics
2 answers:
Sergio [31]3 years ago
7 0
You need to get the r by itself on one side, with the constants (numbers without the r) on the other side.

6r+7=13+7r\\6r-7r+7=13+7r-7r\\-r+7=13\\-r+7-7=13-7\\-r=6\\-r/-1=6/-1\\r=-6
densk [106]3 years ago
5 0
6r+7=13+7r \\ -6r\ \ \ \ \ -6r \\ 7=13+r \\ -13\ \ -13 \\ -6=r
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Are the expressions you developed in Part A and Part C the same? Why or why not?
pshichka [43]

Answer:

It is the same answer, Because b is the same as a but in fraction form, and c is the same as b but in improper fraction form, so that means they are the same answer

Step-by-step explanation:

3 0
2 years ago
Remove all perfect squares from inside the square root. √20 = urgent need help now first actual answer gets the thingy
xz_007 [3.2K]

Answer:

2\sqrt{5}

Step-by-step explanation:

\sqrt{20}

20 can be written as a product of 4 and 5.

\sqrt{4 \times 5}

4 is a perfect square.

\sqrt{4} \times \sqrt{5}

Square root of 4 is 2.

2 \times \sqrt{5}

3 0
3 years ago
Read 2 more answers
Explain why you think it is or is not possible to give the exact length of the circumference as a decimal.
Naddik [55]

Answer:

It is not possible.

Step-by-step explanation:

How exact is exact? Since the circumference of a circle depends on pi, you have to discuss the nature of pi. C = pi * the diameter.  

You are getting to a place where the air is pretty thin when you start dealing with pi. Pi has an infinite number of digits associated with it. Not only that, but if I were to tell you what the 100th digit was, you would have a random chance of figuring out what the 99th digit was or the 101 digit should be, that's only to the hundredth digit. The circumference would go beyond what we can measure with the thousandth digit.

In addition, pi is an irrational number. That means it cannot be represented by any kind of a fraction.


8 0
3 years ago
Y-1.6=8.76 what is y
Verizon [17]

Answer:

y = 10.36

Step-by-step explanation:

y - 1.6 = 8.76

add 1.6 to both sides

y - 1.6 + 1.6 = 8.76 + 1.6

y = 10.36

8 0
2 years ago
Read 2 more answers
The location of four buildings on a coordinate grid are as follows:
Gre4nikov [31]

Answer:

3400 feet

Step-by-step explanation:

Distance between building 1 and building 2 = |5+3| = 8

Distance between building 2 and building 3 = |4+5| = 9

Distance between building 3 and building 4 = |-3-5| = 8

Distance between building 4 and building 1 = |4+5| = 9

total distance = 8 x 2 + 9 x 2 = 34

total distance in feet =  34 x 100 = 3400 feet

3 0
2 years ago
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