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Lunna [17]
3 years ago
15

How do you find the surface area of a 3d object????

Mathematics
2 answers:
Igoryamba3 years ago
8 0
You should start by calculating the area of one of the faces of the chosen figure. Then proceed by doing the same thing till you've calculated the area of all the surfaces. Then all you have to do is add them up.
olga2289 [7]3 years ago
4 0
If you have enough info google can do all the work for you.
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Does this expression have like terms ?<br> 13c-13d
MArishka [77]

Answer:

No it does not

Step-by-step explanation:

Due to the fact there is a c and d

3 0
3 years ago
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Find an equation of the circle tangent to the lines x=1, x=9, y=0
Karolina [17]

Answer:

(x − 5)² + (y − 4)² = 4²

(x − 5)² + (y + 4)² = 4²

Step-by-step explanation:

x=1 and x=9 are vertical lines.  If both are tangent to the circle, then the circle has a diameter of 8, or a radius of 4, and the center of the circle is on the line x=5.

y=0 is the x-axis.  Since the circle is tangent to that, the center of the circle is either 4 units above the x-axis or 4 units below.

So two possible equations of the circle are:

(x − 5)² + (y − 4)² = 4²

(x − 5)² + (y + 4)² = 4²

Here's a graph: desmos.com/calculator/9e4lxx731u

5 0
3 years ago
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While he was at the grocery​ store, Raymond purchased a box of candy for himself. On the way back to the​ dorm, he ate 1/2 of th
viva [34]

Answer:

6 chocolates

Step-by-step explanation:

If there was 2 chocolates left and he had just eaten a third that would mean he had eaten 1

That would mean there would have been three chocolates before he put away the groceries

Double that to make up for the chocolates eaten during the walk home = 6

7 0
3 years ago
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Jenny wants to buy a new dress for her first school dance she barrows $25.63 from her sister to help pay for the dress then Jenn
kirill [66]

Answer:

Jenny will owe her sister $9.30

Step-by-step explanation:

Subtract the money she earned from her dad from what she borrowed from her sister. $25.63-$16.33=$9.30 :)

3 0
3 years ago
Samantha usually makes lemonade with 8 cups of water and 3/4 cup of sugar. For today's picnic, she wants to make 28 cups of lemo
Rina8888 [55]

Answer:

21 cups of sugar

Step-by-step explanation:

3/4 x 28 = 21

3 0
3 years ago
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