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Kobotan [32]
4 years ago
13

What is the perimeter of the rectangle? Write your answer in scientific notation

Mathematics
1 answer:
marissa [1.9K]4 years ago
6 0
The formula is 2(l+w) 
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Evaluate the expression x - 7, if x = 12.<br> 19<br> 17<br> 6<br> 5
SpyIntel [72]

Keep in mind that whenever you have a variable inside an expression, you have to think of it as a placeholder, hiding a certain value which we haven't specified yet.


Expressions with variables are a mean to express the generic idea underneath the expression, rather than its particular value.


So, an expression like x-7 represents the idea of subtracting 7 from a particular number. Once you give a specific value to x, the expression will become an actual subtraction between numbers, and you will be able to compute its value.


So, we have several values for x, which are several ways to turn our "abstract" subtraction into an actual, computable subtraction.


If x = 12, the expression becomes 12-7 and it evaluates to 5.


If x = 19, the expression becomes 19-7 and it evaluates to 12.


If x = 17, the expression becomes 17-7 and it evaluates to 10.


If x = 6, the expression becomes 6-7 and it evaluates to -1.


If x = 5, the expression becomes 5-7 and it evaluates to -2.

3 0
4 years ago
Please help I really need help on this I would really appreciate it anything helps !
andreev551 [17]

Answer:

<em>AXE</em> and <em>CXD  </em>are vertical angles

<em>AXF</em> and <em>FXD  </em>are supplementary angles

<em>DXC </em>and <em>BXC  </em>are complementary angles

<em>EXA</em> and <em>AXB  </em>are adjacent angles

<em>AXC </em>and <em>CXD</em>  are supplementary angles

<em>EXD </em>and <em>AXC </em>are vertical angles

Step-by-step explanation:

6 0
3 years ago
Plz help me question in the Photo
Aleksandr [31]
The answer is true, false, true, and false
6 0
3 years ago
Why is 1/6 greater than 1/8 but less than 1/3
horrorfan [7]

Because the denominator (bottom number) of the fraction tells you
how many equal pieces the whole thing has been cut up into.

When you cut up the whole thing into 6 pieces, each piece is bigger
than if you cut it into 8 pieces, but less than if you cut it into 3 pieces.

5 0
3 years ago
Read 2 more answers
New York City and New Jersey are approximately 90 miles apart. If a map is drawn using a scale of 2 cm = 15 miles, how far apart
defon

Answer:

12 cm

Step-by-step explanation:

6 cm because 90 divided by 15 is 6 and 6 times 2 is 12

3 0
3 years ago
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