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Mademuasel [1]
3 years ago
12

I will give you Brainiest if you are right.

Mathematics
2 answers:
yarga [219]3 years ago
7 0

Answer:

D

Step-by-step explanation:

A = 6x+15  So not equivalent

B = 6x+10  So not equivalent

C = 6x+15  So not equivalent

D = 6x+10  Equivalent

timofeeve [1]3 years ago
3 0

Answer:

D

Step-by-step explanation:

2(3x + 5) =

2 x 3x + 2 x 5 =

6x + 10

<em>Hope that helps! :)</em>

<em></em>

<em>-Aphrodite</em>

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What does it mean when there is a number above and below a dash in algebra?
AleksAgata [21]

The notation of a bar (vinculum, or overbar) over a whole number  

doesn't seem to be very common.  Here are some possibilities as to  

what it could mean:

It is sometimes used as a grouping symbol, as in a fraction:

  _____                                __

  3 + 1  x  5     =  20             so 67  =  67

I have also seen it used to refer to the average:

                      _                __

  x = {1,2,6},   x  = 3             so 67  =  67  

  (the average of one number is itself, of course).

I have also heard that it can be used to mean "1000 times whatever is

underneath", especially with Roman numerals - see the following Web  

page, Final Answers by Gerard P. Michon:



5 0
3 years ago
PLEASE HELP!! DUE SOON
mrs_skeptik [129]

Answer:

b=3a/8

a=8b/3

Step-by-step explanation:

b/a=k ( k is the constant proportional)

3/8=9/24=15/40

b/a=3/8

b=3a/8

a=8b/3

I hope this is right answer

7 0
3 years ago
John ordered three lobsters.the fist one weighed 3.2 pounds,the second weighted 1.75 pounds,the third 1.9 pounds what is the tot
Nadusha1986 [10]

<u>Add</u> them all up, 3.2 + 1.75 + 1.9 = <u>6.85</u>

The total weight is <u>6.85</u> pounds.

4 0
3 years ago
Find the surface area of the solid. Round to two decimal places
Ne4ueva [31]
Check the picture below.

so, to get the area of the triangles, we can simply run a perpendicular line from the top to the base, and end up with a right-triangle with a base of 22 and a hypotenuse of 34, let's find the altitude.

\bf \textit{using the pythagorean theorem}&#10;\\\\&#10;c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b&#10;\qquad &#10;\begin{cases}&#10;c=hypotenuse\\&#10;a=adjacent\\&#10;b=opposite\\&#10;\end{cases}&#10;\\\\\\&#10;\sqrt{34^2-22^2}=b\implies \sqrt{672}=b

so then the surface area of the triangular prism is,

\bf \stackrel{\textit{left and right}}{2(34\cdot 76)}~~+~~\stackrel{\textit{bottom}}{(44\cdot 76)}~~+~~\stackrel{\textit{front and back}}{2\left[\cfrac{1}{2}(44)(\sqrt{672})  \right]}&#10;\\\\\\&#10;8512~~+~~(44)(\sqrt{672})\qquad \approx\qquad 9652.61036291978

5 0
3 years ago
The average cost of a movie ticket is $7.50. If this price increases annually by 7 percent, how much would a movie ticket cost i
Orlov [11]

Answer:

A) $13.79 per ticket

Step-by-step explanation:

Hi, to answer this question we have to apply an exponential increase function:  

A = P (1 + r) t  

Where:  

p = original price

r = increase rate (decimal form)  

t= years  

A = price after t years  

Replacing with the values given:  

A =7.50 (1+ [7/100]) ^9

A = $13.79 per ticket

Feel free to ask for more if needed or if you did not understand something.  

4 0
3 years ago
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