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PtichkaEL [24]
3 years ago
6

Scarlet built a scale model of a ship, using the scale 3 : 32. The measurements of the model are given in the table. Dimension M

easurement Length 17 inches Width 7 inches Height 5 inches Drag and drop the length of the scale model of the ship. Measurements are rounded to the nearest inch. Length of ship (in inches)
Mathematics
2 answers:
FrozenT [24]3 years ago
7 0

\dfrac{\text{length of model}}{\text{length of ship}}=\dfrac{3}{32}\\\\\text{substitute}\\\\\dfrac{17}{x}=\dfrac{3}{32}\ \ \ |\text{cross multiply}\\\\3x=17\cdot32\\\\3x=544\ \ \ |:3\\\\x=\dfrac{544}{3}\approx181\ (in)

Studentka2010 [4]3 years ago
4 0

Answer: 181

I took the test and got this question right. Some questions may be confusing and hard but what you need to do is just keep trying.

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Find the average value of the function f(t)=(t-2)^2 on [0,6]
pentagon [3]

Answer:

2

Step-by-step explanation:

The "average value of function f(x) on interval [a, b] is given by:

                      f(b) - f(a)

ave. value = ---------------

                         b - a

Here f(t)=(t-2)^2.

Thus, f(b) = (b - 2)^2.  For b = 6, we get:

          f(6) = 6^2 - 4(6) + 4, or f(6) = 36 - 24 + 4 = 16

For a = 0, we get:

           f(0) = (0 - 2)^2 = 4

Plugging these results into the ave. value function shown above, we get:

                      16 - 4

ave. value = ------------ = 12/6 = 2

                         6 - 0

The average value of the function f(t)=(t-2)^2 on [0,6] is 2.


4 0
3 years ago
What is the answer <br> y-11=25-3y
Katen [24]

Answer:

9

Step-by-step explanation:

y-11=25-3y

y + 3y = 25 + 11

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y = 36 / 4

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Hope it will help :)

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7B9%7D%5E%7B2%7D%20-%202%281%20%2B%203%29" id="TexFormula1" title=" {9}^{2} - 2(1 + 3)" al
Dmitrij [34]
The answer is 73 because you solve 9^ 2 which is 81 then multiply 2 times 4 which is 8 then subtract 81 and 8 which is 73
8 0
3 years ago
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3 years ago
5. What is the equation of a line with a y-intercept at (0,6) and a slope of 3?
andreev551 [17]

Answer:

A

Step-by-step explanation:

You're correct. The Y intercept is the B. And 3 the slope.

8 0
4 years ago
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