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prisoha [69]
3 years ago
10

If you were constructing a TRIANGULAR FRAME, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a

triangle? Would you be able to create a frame from these pieces of wood?
Mathematics
1 answer:
Virty [35]3 years ago
5 0

Answer: Yes it is possible to construct a triangle and it will be an isosceles triangle.


Step-by-step explanation:

  • The triangle inequality tells that for any triangle, the sum of the lengths of any two sides must be greater than or equal to the length of the remaining side.

Given sides of the triangle are 4 inches, 4 inches, and 7 inches.

Here, 4+4=8>7\\7+4=11>4

So by triangle inequality, a triangle with sides 4 inches, 4 inches, and 7 inches. is possible.

As it has two equal sides as 4 inches , then it must be an isosceles triangle.


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How would you graph y=| x-2|-4
AVprozaik [17]
To graph ty function simply make a table of values, where you choose any value for x and substitute that value in the function.

Then take the absolute value of the expression in the square bracket.

It is always positive, the absolute value of -6 is 6 etc.

Then graph the resulting points.

Another way to do it is simply draw the graph of y = |x| then move it 2 spaces to the right and 4 spaces down, I believe.
4 0
3 years ago
What is the distance between the points (4, -2) and (-1, 10)?
Tju [1.3M]

Answer:

13 units.

Step-by-step explanation:

We can find distance between points by using the following formula:

\sqrt{(change in x)^2+(changeiny)^2}

The change in x is -5, and change in y is 12. Let's apply this to the formula.

\sqrt{(-5)^2+(12)^2}. Evaluate this, and we get 13.

Hope this helped!

5 0
3 years ago
The number of grams of carbohydrates contained in 5–ounce of randomly selected meals "with/with no" potatoes (fries) in McDonald
Ede4ka [16]

Answer:

Answer:

Since the calculated value of t=  -1.340 does not fall in the critical region , so we accept H0 and may conclude that the data do not provide sufficient evidence to indicate hat there is difference in mean carbohydrate content between "meals with potatoes" and "meals with no potatoes".

Step-by-step explanation:

Potatoes :   No Potatoes :           Difference           Difference (d)²

                                                   (Potatoes- No Potatoes)

29                 41                        -12                            144

25                 41                          -16                           256  

17                  37                        -20                            400

36                  29                       -7                              49

41                 30                          11                              121

25                 38                        -13                              169

32                39                        -7                                49

29                 10                          19                             361

38                29                          9                              81

34                 55                       -21                              441

24                29                         -5                              25

27                 27                         0                               0

<u>29                 31                         -2                              4                     </u>

<u> ∑                                                 -64                           2100               </u>

  1. We state our null and alternative hypotheses as

H0 : μd= 0     and Ha:  μd≠0

2. The significance level alpha is set at α = 0.01

3. The test statistic under H0 is

t= d`/sd/√n

which has t distribution with n-1 degrees of freedom.

4. The critical region is t > t (0.005,12) = 3.055

5. Computations

d`= ∑d/n = -64/ 13= -4.923

sd²= ∑(di-d`)²/ n-1 = 1/n01 [ ∑di² - (∑di)²/n]

    = 1/12 [2100- ( -4.923)] = 175.410

sd= √175.410 = 13.244

t = d`/sd/√n= - 4.923/13.244/√13

t= - 4.923/3.67344

t= -1.340

6. Conclusion :

Since the calculated value of t=  -1.340 does not fall in the critical region , so we accept H0 and may conclude that the data do not provide sufficient evidence to indicate hat there is difference in mean carbohydrate content between "meals with potatoes" and "meals with no potatoes".

7 0
3 years ago
Please help! Correct answers only please! The M&amp;M jar has a square base with a length and width of 7 cm and a height of 6.5
Tcecarenko [31]

Answer: a) 100

<u>Step-by-step explanation:</u>

Volume (V) of the prism = Length(L) x width(w) x height(h)

V = 7 x 7 x 6.5

   = 318.5 cm³

Next, what is the volume of an M & M? The info isn't given so according to the internet it is 0.636 cm³

\text{Quantity}=\dfrac{\text{Volume of the prism}}{\text{Volume of an M}\ \&\ \text{M}}}=\dfrac{318.5}{0.636}=\large\boxed{500}

The nearest answer to this is: (a) 100

because the upper limit cannot be 10,000

6 0
3 years ago
If the volume of a cube-shaped box is 729 cubic inches, which equation would you use to determine how many 1-inch cubes could fi
tensa zangetsu [6.8K]

<u>Answer</u>

∛729


<u>Explanation</u>

The volume of an object is the amount of space that the object can occupy.

The general formula for getting the volume of a regular object is:

Volume  = Base area × Height

For a cube, all sides are equal.

∴ Volume of a cube = length × length × length

                                   = (length)³

This means given the volume of a cube we can get the length of one side as shown.

Volume = (length)³

length = ∛volume.

∴ Volume = 729 in³

Length = ∛729 inches. This will give you the number of cubes 1 inches can fit along one side.


7 0
3 years ago
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