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V125BC [204]
2 years ago
7

Problem-solving: Comparing Strategies

Mathematics
2 answers:
Nadusha1986 [10]2 years ago
8 0

Answer:

#4. 4 meters

Step-by-step explanation:

if the ceiling is 12 meters high then you stack three boxes that reach it you would do 12 ÷ 3 to get your answer

babunello [35]2 years ago
6 0
Didn’t do 1. 2 is 12. 3 is 112.5. And 4 is 2.
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Would a teaspoon be a good way to measure the capacity of a milk carton? Explain.
ohaa [14]
No teaspoon would take forever if you want though but you can use this instead quarts it's way easier oh and 1 gallon is 4 quarts hoped this helped.
4 0
3 years ago
The difference of the square of a number and 40 is equal to 3 times that number. Find the positive solution.
Wewaii [24]

Answer: The answer is 8.

Step-by-step explanation: The first step is to convert the expression into figures. We shall call the unknown number Y. So if we are told “the square of a number,” that means Y squared, or better still, Y^2. Further we are told “the difference between the square of a number and 40” and that can be written as;

Y^2 - 40.

Next we are told that this expression is equal to 3 times that number (that is 3Y). That can now be written out as follows,

Y^2 - 40 = 3Y

If we move all expressions to one side of the equation, what we would have is,

Y^2 - 3Y -40 = 0

(Remember that when a positive value crosses to the other side of an equation it becomes negative and vice versa)

We now have a quadratic equation

Y^2 -3Y - 40 = 0

By factorizing we now have

(Y -8) (Y + 5) = 0

Therefore Y - 8 = 0 or

Y + 5 = 0

Hence, Y = 8 or Y = -5

Since we are asked to calculate the positive solution, Y = 8

5 0
3 years ago
How many 1/4 are in 5?
mina [271]
Do 4x5, that is all you need to do, did you learn fractions in elementary?
5 0
3 years ago
Read 2 more answers
Explain why all squares are similar????? and please help with question below!!!!!!!!!!!!!
Oliga [24]
That's not a squre
anyway, we use ratios
base:person to corner=28:8
height to height=x:5
so
28/8=x/5 becasue same ratio
28/8=14/4=7/2
7/2=x/5
multiply
35/10=2x/10
35=2x
divide 2
17.5=x

x=17.5 feet
5 0
3 years ago
323.6 divided by 47 rounded to the nearest tenth
inn [45]

6.9

                         ......................................................................                      

7 0
3 years ago
Read 2 more answers
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