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mars1129 [50]
3 years ago
11

12 of the students in a Geometry class passed a Geometry test. If these students are 80% of all the students in the class, how m

any students are in this Geometry class?
Mathematics
1 answer:
Reika [66]3 years ago
7 0

Answer:

i wanna say 15 maybe, but it might be wrong. I havent done these type of problems in awhile.

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Solve each equation. <br><br> d(d+3)-d(d-4)=9d-16
likoan [24]

Answer:

2d+3d-2d+4d= 9d-16

2d is cancelled

3d+4d=9d-16

7d=9d-16

16=9d-7d

16=2

16/2

d=8

3 0
3 years ago
A receptionist named Eve spends 5minutes routing each incoming phone call. In all,how many phone calls does Eve have to route to
Sati [7]

7, because 35 divided by 5=7

5 0
3 years ago
Read 2 more answers
3.30, -√10, 17/5, √11 least to greatest
Vilka [71]

Answer:

-√10,√11 , 3.30, 17/5

Step-by-step explanation:

-√10,√11 , 3.30, 17/5

17/5 is 3.4

the 10 is a negative so its the smallest

11 square root is a imiganery

7 0
3 years ago
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a new statue with a circular base is being unveiled in a downtown park. the statue base has a radius of 8 feet. round your answe
fiasKO [112]
I believe you are asking for the area of the statue base.

r^2x3.14 = area of a circle

8 x 8 = 64

64 x 3.14 = 200.96
200.96 rounded = 201

The area of the statue base is 201 square feet.
5 0
2 years ago
Kind people!help me please...And a detailed solution/THANKS<br> sin^2x-0,5sin2x=0
Volgvan

This will be easier to write, and a lot easier to read, if we temporarily
use another symbol ... say, 'Q' ... to represent  ' sin(2x) ' .
Here we go:

Original equation:                Q² - 0.5 Q  =  0

Factor the left side:            Q (Q - 0.5)  =  0

This equation is true if either factor is zero:


--  If  Q=0, then  sin(2x) = 0

                                 2x = 0°,  180°,  360°

                                   x = 0°,  90°,  180°


-- If  (Q-0.5) = 0, then      Q  =  0.5

                                sin(2x)  =  0.5          

                                       2x  =  30°,  150°

                                         x  =  15°,  75°


The whole collection of solutions
between  0°  and  360° :

          x = 0°,  15°,  75°,  90°,  180° .

8 0
3 years ago
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