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Alik [6]
3 years ago
15

3.) Find the domain and range for each of the following functions.

Mathematics
1 answer:
Delvig [45]3 years ago
6 0
Domain is x’s and range is y’s.

For a, the domain is -2<=x<1
For a, the range is 1<=y<2

For b, the domain is 1<=x<=2
For b, the range is -2<=y<=2

(The <= is the ones with a line under, meaning equal to, if that makes sense. So write with a line under rather than equal sign)
Hope this helps!
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The width of a rectangle is 6 in. less than its length. The perimeter is 68 in. What is the width of the rectangle?
stepan [7]
Length= y in.
Width= (y-6) in.
Perimeter = 2(L*W)
Perimeter=2L+2W
68in.=2(y)+2(y-6)
68=2y+2y-12
68=4y-12
68+12=4y
4y=80
y=20
Length= 20 inches, width =14 inches
7 0
3 years ago
Read 2 more answers
There were 160 people who voted at the town council meeting. Of these people, 30% voted for building a new basketball court in t
tatuchka [14]

Answer:

there are  a 112 against

Step-by-step explanation:30% of 160=48 ( 160*0.30=48)

160-48=112

6 0
2 years ago
Select the graph that represents the following inequality: Ix+2.5I&gt;1.5
fgiga [73]
◆ Linear Reductions ◆

Hey !!

Check the attachment.
Hope it helps you :)

7 0
3 years ago
1. Determine the magnitude of the resultant force acting on the plate and its direction, measured counter-clockwise from the pos
AlexFokin [52]
F1 . . . 100% of it = 900N is in the +x direction.

F2 . . . 70.7% of it (cos45°, 530.3N) is in the +x direction,
and 70.7% of it (sin45°, 530.3N) is in the +y direction.

F3 . . . 80% of it (520N) is in the -x direction,
and 60% of it (390N) is in the +y direction.

Total x-component:  900 + 530.3 - 520  =  1,950.3 N

Total y-component:  530.3 + 390  =  920.3 N

Magnitude of the resultant = √ (x²  +  y²)

                                       = √(1950.3²  +  920.3²)

                                       =  √4,650,070.09

                                       =   2,156.4 N  .

Angle of the resultant, measured counterclockwise
from the +x axis, is 
 
                               tan⁻¹  (y / x)

                         =    tan⁻¹  (920.3 / 1950.3)

                         =    tan⁻¹  (0.4719)

                         =    about    25.3°  .

Caution:
The same fatigue that degrades my ability to READ the question accurately
may also compromise the accuracy of my solutions.  Before you use this
answer for anything, check it, check it, check it !

 
4 0
3 years ago
What is thirty times twenty
wariber [46]

Answer:

600

Step-by-step explanation:

How to do it in your head (secret):

3*2 = 6

add 2 zeros after the 6 since there are 2 zeros in total in this equation 2<u><em>0 </em></u>and 3<u><em>0</em></u> so:

30*20 = 600

:D

6 0
3 years ago
Read 2 more answers
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