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sattari [20]
2 years ago
8

Identify and define the variable for the situation​

Mathematics
1 answer:
Anika [276]2 years ago
3 0

Answer:

A variable is a letter used in a mathematical equations , formula or expression

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PLZ HELP!!! 50 POINTS I NEED AN ANSWER IN THE NEXT 15 MINUTES!!! I WILL MARK BRAINLIEST!
allsm [11]

Answer:

  • 6.75 square units

Step-by-step explanation:

The triangle has the same base and height as the rectangle.

<u>Triangle</u> area:

  • A = 1/2bh

<u>Rectangle area: </u>

  • A = bh

<u>The shaded area is equal to half of the area of the rectangle:</u>

  • 13.5/2 = 6.75 square units
4 0
3 years ago
A train travels at a steady rate of 80 mph. If the train travels for one-half hour nonstop, what are the domain and range of the
alukav5142 [94]
The independent variable is time, which varies from 0 to 0.5, so domain = [0,0.5].
The distance travelled is the dependent variable, varying from 0 to (1/2)80=40 km.  The range is therefore [0,40].

Note: in interval notation, a square bracket means that the value is included in the interval.
8 0
3 years ago
How would I simplify this expression 7m^4/21m^5
White raven [17]
 the awnser to your problem would be 3m to the 9th power because 21m divided by 7m = 3m and then add the powers together so its 3m to the 9th power
4 0
3 years ago
Find the LCM of a(a+b)-b(b+c)-c(a+c) and c(b+c)-a(a+c)<br>​
mash [69]

Answer:

I know what you're asking you are asking to find the least common multiple. However all I can find is the GCF which is 1

Step-by-step explanation:

5 0
3 years ago
Express as a single power of 2
den301095 [7]
When you multiply powers, they add, and when you divide them they subtract.
So I would first add the 2^a + 2^b +2^c to get 2^(a+b+c)
Then, divide by 2^(a+b). Because when you divide powers they subtract, you will be taking away the (a+b) from the (a+b+c) and you will be left with c on its own.
The answer is 2^c
6 0
3 years ago
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