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Margaret [11]
3 years ago
5

Look at this prism and its net what is the surface area of this rectangular prism?

Mathematics
2 answers:
natali 33 [55]3 years ago
5 0

Answer:idk

Step-by-step explanation:

and ur homeschooled 2 with k12

tia_tia [17]3 years ago
4 0
To solve these, I like to write it out in expanded form for each rectangle.

Starting from left to right:

(12*7)+(12*5)+(12*7)+(7*5)+(12*5)+(7*5)

It can also be written as:

2(12*7)+2(12*5)+2(7*5)

This equals 358cm^2

It is squared because it is a result of multiplying 2 dimensions: length*width.
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4 0
2 years ago
Suppose that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning.
Alborosie
Assume that the rule connecting height of the candle to time is a linear one.  If you do, then we have to find the equation of this line, and then use this equation to predict the height of the candle after 11 hours.

Two points on this line are (6,17.4) and (23, 7.2).  The slope is thus
         7.2-17.4           -6
m = ---------------  =  -----------  or   -3/5.
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Find the equation of the line.  I'm going to use the slope-intercept formula:

y = mx + b  =>   7.2 = (-3/5)(23) + b.  Solving for b,   b = 21.

Now    we know that y = (-3/5)x + 21

Let x=11 to predict the height of the candle at that time.

y = (-3/5)(11) + 21 = 14.4 inches  (answer)
7 0
3 years ago
Area and perimeter of composite figures​
nydimaria [60]
Area is 92.13 and the perimeter is 47.42 i think it’s correct
6 0
2 years ago
Help please thank you
crimeas [40]
10/30 or you can symlafife
5 0
2 years ago
What do symbols represent in algebra?
Inessa05 [86]

Answer:

One of the most common algebraic symbols is the use of x, y or another letter of the alphabet to indicate a variable or unknown quantity. Common symbols used in algebra also include those related to equality, inequality, factorials and organization, like braces, brackets and parentheses.

Give brainiest please ;-;

7 0
2 years ago
Read 2 more answers
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