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3 years ago

9

the number of students enrolled in school increase by 12% from last year to this year. The enrollment this year is 13,640. What

was the enrollment last year?

1 answer:

algol133 years ago

8 0

Use a calculator. I would walk you through it, but it should be simple.

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Please help me I wanna get out this class

snow_lady [41]

Cut a line between the triangle and rectangle
area of rectangle is length x width
8x5=40
area of triangle is base x height divide by 2
5x5=25
25 divide by 2 is 12.5
add them together
40+12.4 = 52.4

4 0

2 years ago

The weight, w, of a spring in pounds is given by 0.9 times the square root of the energy, E, stored by the spring in joules. If

stira [4]

The is the concept of algebra, the weight of the spring can be modeled by the equation;
w=0.9sqrt E
where;
=energy in joules;
thus the weight of the spring when the energy is 12 j will be:
w=0.9sqrt12
w=3.18 g

4 0

3 years ago

Let u=ln x and v= ln y. Write ln(square root x times y^2)

Alex Ar [27]

0.5u + 2v. This is because u can separate the logs to ln(sqrx) + ln(y^2) and use basic log principles to get 0.5lnx +2lny. Then u substitute

6 0

3 years ago

Find the area of the triangle that has a base of 5 in. and a height of 3 3/4in

Lubov Fominskaja [6]

Area = 1/2 * base * height = 1/2 * 5 * 3 3/4 = 9 3/8 or 9.375 in^2

3 0

2 years ago

Triangle A is rotated 180° counterclockwise about the origin. Which figure is the transformed figure?

rusak2 [61]

if you have a picture of the options that would be great! but for now, i’m gonna attach a picture with an example of a transformation.

the first triangle shows what it’s starting at.

the first transformation is turn 90 degrees clockwise.

the second transformation is turned ANOTHER 90 degrees, which would make the total transformation 180 degrees

8 0

3 years ago