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Zolol [24]
3 years ago
7

Complete steps to solve x 4/7×+5/14×=39

Mathematics
1 answer:
Tpy6a [65]3 years ago
5 0

Answer:

the answer is x=42

Step-by-step explanation:

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A circular clock face is stenciled along its edge. The radius of the clock is 12 centimeters, so the stenciling covers about cen
Inessa05 [86]

Answer:

6 srry if dis is wrong sis

Step-by-step explanation:

since the radius is 12 divide that by 2 and you get 6 which is the diameter.

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4 0
3 years ago
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The R-value of insulation is a measure of its ability to resist heat transfer. For fiber-glass insulation, 3½ inches is rated at
Solnce55 [7]

Answer:

R = \dfrac{16}{5}t + \dfrac{1}{5}

where R is the R-value and t is the thickness in inches.

Step-by-step explanation:

We are given the following in the question:

The  R-value of fiberglass insulation and f its thickness have a linear relation.

Let R be the R-value and t be the thickness. Then, the equation can be written as:

R = at + b

where a and b are constants.

When t = 3.5, R = 11

11 = 3.5a + b

When t = 6, R = 19

19 = 6a + b

Solving the two equation, using the elimination method, we have,

19-11 = 6a + b-(3.5a + b)\\8 = 2.5a\\\\\Rightarrow a = \dfrac{16}{5}\\\\11 = 6(\dfrac{16}{5}) + b\\\\\Rightarrow b = \dfrac{1}{5}

Thus, the linear relationship is given by:

R = \dfrac{16}{5}t + \dfrac{1}{5}

where R is the R-value and t is the thickness in inches.

8 0
3 years ago
What is the variables of 20
MrMuchimi

Answer: 1, 2, 4, 5, 10, 20

Step-by-step explanation:

3 0
3 years ago
What do you have to do to the diameter to get the radius formula?
vagabundo [1.1K]
If you have the diameter and you want to find the radius, just remember that the diameter is <u>half</u> of a circle (circumference) and the radius is a <u>quarter</u> of a circle, and it can also be found by dividing the diameter by 2, because the radius is half of a diameter.

<em>I hope this clears your confusion!</em>
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