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Alexeev081 [22]
3 years ago
15

126.4% of what number is 158?

Mathematics
1 answer:
Maksim231197 [3]3 years ago
6 0
<span>126.4% of 158 = 199.712</span>
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He dimensions are tripled. The new surface area would be times larger than the original surface area.
ddd [48]

Answer:

The new surface area would be 9 times larger than the original surface area.

Step-by-step explanation:

Here we do not know what was the original shape, but we will see that it does not matter.

Let's start with a square of side length L.

The original area of this square will be:

A = L^2

Now if each dimension is tripled, then all the sides of the square now will be equal to 3*L

Then the new area of the square is:

A' = (3*L)^2 = (3*L)*(3*L) = 9*L^2 = 9*A

So the new surface area is 9 times the original one.

Now, if the figure was a circle instead of a square?

For a circle of radius R, the area is:

A = pi*R^2

where pi = 3.14

Now if the dimensions of the circle are tripled, the new radius will be 3*R

Then the new area of the circle is:

A' = pi*(3*R)^2 = pi*9*R^2 = 9*(pi*R^2) = 9*A

Again, the new area is 9 times the original one.

If the figure is a triangle?

We know that for a triangle of base B and height H, the area is:

A = B*H/2

If we triple each measure, we will have a base 3*B and a height 3*H

Then the new area is:

A' = (3*B)*(3*H)/2 = (3*3)*(B*H/2) = 9*(B*H/2) = 9*A

Again, the new area is 9 times the original area.

So we can conclude that for any shape, the new area will be 9 times the original area.

3 0
2 years ago
the population of a town increases by 8% annually if the present population is 54000 what was it a year ago?
yKpoI14uk [10]

Answer:

49680

Step-by-step explanation:

Multiply 54,000 by 92%. 100%(this years population)-8%=92%

54000*0.92 = 49680, people one year ago.

8 0
3 years ago
What is 7,000,000,000 in scientific notation?
AVprozaik [17]
7.0 x 10^9 Is the answer
4 0
3 years ago
Angle G is congruent to which angle?
valkas [14]

Angle G is congruent to only two angles in this problem: angle I and angle E.

Angle G is congruent to Angle I because they are vertical angles.

Angle G is congruent to Angle E because they are alternate interior angles.

Hope this helps!

5 0
3 years ago
Jenelle invested $13000 in two mutual funds. Fund A earned 5% profit during the first year, while Fund B suffered a 2.5% loss. I
nexus9112 [7]

Answer:

hola la respuesta es 3900<em> </em><em>y </em><em>2</em><em>3</em><em>4</em><em>8</em>

Step-by-step explanation:

espero que te sirva

6 0
2 years ago
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