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insens350 [35]
3 years ago
13

Helppp pweaz and explain

Mathematics
1 answer:
Rom4ik [11]3 years ago
6 0

Answer:

Surface area is 66 units.

Step-by-step explanation:

I calculated the area of each rectangle in the net.

3 x 7= 21

3 x 7= 21

2 x 3= 6

2 x 3= 6

2 x 7= 14

21 + 21 + 6 + 6 + 14 = 66

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Find an expression which represents the difference when (-5x-y) is subtracted from (9x+2y) in simplest terms.
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4x+y add like terms ... -5+9=4 and  -y(or -1)+2y=y

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2 years ago
If h = 12 units and r = 4 units, what is the volume of the cone
rjkz [21]
The volume would be 201.06
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What is 2-2 equals to ?
Nikitich [7]

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The answer is 0

Step-by-step explanation:

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Jonah runs 3/5 miles on Sunday and 7/10 miles on Monday.He uses the model to find that he ran a total of 1 mile. What mistake do
antoniya [11.8K]

Answer: He did not convert the fractions into the like fraction to add.


Step-by-step explanation:

Given: The distance Jonah runs on Sunday= \frac{3}{5} miles

The distance Jonah runs on Monday= \frac{7}{10} miles

The total distance he ran = \frac{3}{5}+\frac{7}{10}\ miles

Since both the fractions are not like , thus multiply 2 to the numerator and the denominator of the first fraction [to add fractions first convert them into like fractions], we get

The total distance he ran = \frac{3\times2}{5\times2}+\frac{7}{10}\ miles

=\frac{6}{10}+\frac{7}{10}=\frac{6+7}{10}\\\\=\frac{13}{10}=1\frac{3}{10}\ miles

The right answer is "The total distance he ran =1\frac{3}{10}\ miles"


7 0
3 years ago
Find g (x) - f (x). <br><br> g (x) = x^2 + 1 and f (x) = 2x + 5
allochka39001 [22]

Answer:

x^2 - 2x - 4

Step-by-step explanation:

g(x) - f(x) = (x^2 + 1) - (2x + 5) = x^2 + 1 - 2x -5 = x^2 -2x +(1-5) = x^2 - 2x - 4

6 0
3 years ago
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