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Romashka-Z-Leto [24]
3 years ago
14

Determine if the equation y = 200(1.1)x represents exponential growth or decay.

Mathematics
1 answer:
scoundrel [369]3 years ago
4 0
The equation y=200(1.1)x represents exponential growth.
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a school has 415 third graders ans 388 second graders. How many more third graders are there than second grades?
Andreas93 [3]

Answer:

27

Step-by-step explanation:

"How many more ... than ..." is a verbal cue to use subtraction.

415 - 388 = 27

There are 27 more third graders than second graders.

4 0
2 years ago
The area of a square is numerically 45 more than the perimeter. find the length of the side
omeli [17]
Area of square = l²
Perimeter of square = 4l

According to the question, 
l^2 = 45 + 4l \\\\ l^2 - 4l - 45 = 0 \\\\ l^2 -9l+5l-45=0 \\\\ l(l-9)+5(l-9) =0 \\\\(l-9)(l+5)=0

Using zero product property,

Either, 
l-9 = 0 \\
~~~~~~l = 9

Or,
l+5=0 \\
~~~~~~l=-5

Since length can't be negative, the length is 9


4 0
3 years ago
I need help quickly!!!
LenKa [72]

Divide the figure into a triangle on the left and a rectangle on the right. You know the side lengths of the rectangle are 3 x 10, so multiply to get the area of the rectangle. Next, find the area of the triangle. The area of a triangle is given by 1/2bh, where b is the base and h is the height. Because you know the short side of the rectangle is 3, subtract 3 from 5 to get the base of the triangle. then multiply that by 10, the height, and divide by 2 to get the area of the triangle. Then just add up the area of the triangle and the area of the rectangle to get your answer :)

3 0
3 years ago
Thirty-five percent of what number is 17.5?
Naddika [18.5K]
I believe its 50 because 0.35x50=17.5     (35%=0.35)
4 0
3 years ago
Is the centre of a circle always equal distance from all points on the circumference? and why
AleksandrR [38]

Answer:

Yes, the center of a circle is always and always equidistant from all the points on circumference because that is because what a circle is called. The distance from the center of the circle to the circumference is called the radius and it is constant for any particular circle.

7 0
2 years ago
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