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School math question. Your input?
Posted on 03/10/2015 5:48:37 PM PDT by MNDude
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To: MNDude
If the blanket is 4x3, you would only need 10 units for a BORDER. If it is 6 x 2, you would need 12. Those are your only options, assuming the blanket is defined by whole integers.
Since 10 is not offered as a possible answer, the only correct one is 12, B.
81
posted on
03/10/2015 6:41:35 PM PDT
by
IronJack
To: MNDude
82
posted on
03/10/2015 6:42:00 PM PDT
by
IronJack
To: GaltTrader
No, it doesn’t, because it’s only one answer out of an infinite number of possibilities.
83
posted on
03/10/2015 6:42:06 PM PDT
by
FredZarguna
(O, Reason not the need.)
To: MNDude
Baby blanket is the object ... so it’s likely to be 4x3 ... if it is 6x2, demand to see a photograph of that baby : ))
84
posted on
03/10/2015 6:42:46 PM PDT
by
siunevada
(If we learn nothing from history, what's the point of having one? - Peggy Hill)
To: MNDude; All
Given all factors of 12, the only one of the choices you are given that can work is B. None of the other choices are possible. Nothing wrong with this question. Since 26 (12x1), and 16 (6x2) are not options, the dimensions must be 4x3. Hence 14.
To: super7man
"Blanket 3x4 needs 14 untis of border. Blanket 2x6 needs 16 units of border. Blanket 1x12 needs 26 units of border. There is not enough information to know which it is."Your analysis is correct. Assuming the blanket is at least rectangular. But only one of the answers match the possibilities, therefore it's save to assume the answer is 14 and that the blanket must be 3x4.
Sometimes the answers on a multiple choice question provide information you can use.
86
posted on
03/10/2015 6:43:34 PM PDT
by
DannyTN
To: MNDude
I had a math teacher who would ask questions that did not have a clear answer like this one. The expect answer was to come back with questions like this thread. Always homework questions. He laerned us are math reel good
87
posted on
03/10/2015 6:44:20 PM PDT
by
ThomasThomas
(EGO venit lego tantum titulus Posteri)
To: MNDude
Your answer has to be limited to the choices given.
B 14 units
88
posted on
03/10/2015 6:45:09 PM PDT
by
thackney
(life is fragile, handle with prayer)
To: lkco
89
posted on
03/10/2015 6:45:36 PM PDT
by
eastforker
(Cruz for steam in 2016)
To: gundog
I guess there are four corners since it said “square” quilt.
Not enough info to assume triangular, circular or oblong in which the area would also be expressed in SqFt.
90
posted on
03/10/2015 6:47:38 PM PDT
by
TaMoDee
(Go Pack Go! The Pack will be back in 2015!)
To: MNDude
I wonder if all these math people play the drums? Raise your hands.
To: Nuocmam
Your wife is correct, it’s 18.
92
posted on
03/10/2015 6:48:21 PM PDT
by
llmc1
To: thackney
Draw a 3” x 4” square
The create 12 1x1 inch squares.
Count the number of squares that make up the border
You get 10 1x1 inch squares or 10 square inches.
93
posted on
03/10/2015 6:48:39 PM PDT
by
Perdogg
(I'm on a no Carb diet- NO Christie Ayotte Romney or Bush - stay outta da Bushesh)
To: MNDude
Since the area is 12 square units it could be:
a. 12x1= 26 units
b. 6x2=16 units
c. 4x3=14 units.
Therefore the only answer among the possibilities is 14.
94
posted on
03/10/2015 6:50:02 PM PDT
by
Dr. Thorne
(The night is far spent, the day is at hand.- Roman 13:12)
To: FredZarguna
I remember doing this graphs Jr year in pre-cal.
My head hurts.
95
posted on
03/10/2015 6:50:46 PM PDT
by
Clint N. Suhks
(Bibi is the President we wish we had.)
To: FredZarguna
Dang! This is for second grade!
96
posted on
03/10/2015 6:51:09 PM PDT
by
MNDude
To: Talisker
According to Common Core, first you have to make friends with the ten in the twelve. Then you have to add another friend to make twenty. From the twenty, you have to add the one and the two from the twelve to make twenty-three. Now, two plus three is five, which you add to the original twelve to get seventeen. But since you added three numbers together, you take back three from seventeen to get fourteen, and theres your answer: B. You are absolutely correct! (because I have to teach Common Core, my first thought on this problem was: make a new ten!)
97
posted on
03/10/2015 6:51:40 PM PDT
by
CAluvdubya
(<------- has now left CA for NV, where God and guns have not been outlawed! "The Miracle of America")
To: MNDude
Tell the idiot teacher that the system being solved is:
LW = 12
2L + 2W = P
This is a system of 2 equations in 3 unknowns. It therefore has an infinite number of solutions. The minimum solution is for a square:
L2 = 12
4L = P
This is solvable, the answer is L = 2√3. which gives a perimeter of 4L = 8√3
The maximum perimeter is infinity. By lengthening the length and shortening the width, you can obtain any perimeter between 8√3 (≈ 13.86) and ∞.
98
posted on
03/10/2015 6:51:40 PM PDT
by
FredZarguna
(O, Reason not the need.)
To: thackney
Ahhhh- common core question, limiting students to only the gov’t approved choice (14)
Adult version:
How can we best “promote the general Welfare”
A. Grow government
B. Increase the minimum wage
C. Tax the “rich”
D. All of the above
Answers
E. Shrink government
F. Cut welfare
G. Empower the States
are not only wrong but will incur penalty points and a visit from Social Services to check up on the student's distorted home environment.
99
posted on
03/10/2015 6:53:22 PM PDT
by
redlegplanner
( No Representation without Taxation)
To: mmichaels1970
Doesn’t specify that the sides have to be integers.
100
posted on
03/10/2015 6:53:26 PM PDT
by
FredZarguna
(O, Reason not the need.)
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