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IRINA_888 [86]
3 years ago
9

Which of the following expression eqaul to -4x^2-36

Mathematics
2 answers:
tiny-mole [99]3 years ago
6 0

Answer:

2hole square and six whole square (a+b) (a-b) finish...

pochemuha3 years ago
4 0
-4(x^2+9) is what I got.
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Consider the age distribution in the United States in the year 2075 (as projected by the Census Bureau). Construct a cumulative
MrRissso [65]

Answer:

The cumulative frequency plot is also attached below.

Step-by-step explanation:

The data provided is as follows:

Age Group Frequency

   0 - 9             34.9

  10 - 19             35.7

20 - 29             36.8

30 - 39             38.1

40 - 49             37.8

50 - 59             37.8

60 - 69             34.5

70 - 79             27.2

80 - 89             18.8

90 - 99               7.7

100 - 109       1.7

Consider the Excel output attached.

The cumulative frequency are computed in the Excel sheet.

The cumulative frequency plot is also attached below.

From the cumulative frequency plot it can be seen that in the future most people will belong to a higher age group rather then the lower ones.

8 0
3 years ago
Please help me answer.
ololo11 [35]

Answer:

D. 251.2 feet

Step-by-step explanation:

On carefully observing the diagram,it can be seen that 80 feet is the diameter of the circular ride, i.e.,the circle,in this case.

The radius of the circle will be half the diameter,r=(80/2) feet=40 feet

The distance of one complete loop of this circular path will be the circumference of the circle.

So, Circumference

=2*π*r

=2*3.14*40 feet

=251.2 feet [ANS]

7 0
3 years ago
Read 2 more answers
23.5% of 128 Round to the nearest tenth if necessary
hram777 [196]
The answer is 30.08....................................................................
.
5 0
3 years ago
If x equals 7, then find the matching value for y.<br> -2x-2y=-2
mihalych1998 [28]
Y = -6.
-2(7)-2y=-2

-14-2y=-2

you need to move -14 to the other side by canceling out -14 with +14, and add +14 to -2, giving you -2y=12. -2/12=-6


7 0
3 years ago
Write an equivalent expressions 48 + 18x
jeka94
If you factor it, you can get an equation that is equivalent. So take out a 6. that leaves you with 6(8+3x)
8 0
3 years ago
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