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Marta_Voda [28]
2 years ago
9

Please help me thanks

Mathematics
1 answer:
stich3 [128]2 years ago
5 0

Answer:

5. 26⁰F, rise

6. 0, Added both the numbers instead of subtracting

7. 10⁰C

8. 25⁰F

9. 13⁰F

10. -4

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A box contains a collection of triangular and square tiles. There are 25 tiles in the box and 84 edges . How many square tiles a
NikAS [45]
This problem here would be a little tricky. Let us take into account first the variables presented which are the following: a collection of triangular and square tiles, 25 tiles, and 84 edges. Triangles and squares are 2D in shape so they give us a variable of 3 and 4 to work on those edges. Let us say that we represent square tiles with x and triangular tiles with y. There would be two equations which look like these:

x + y = 25                    and               4x + 3y = 84

The first one would refer to the number of tiles and the second one to number of edges.

We will be using the first equation to the second equation and solve for one. So if we will be looking for y for instance, then x in the second equation would be substituted with          x = 25 - y           which would look like this:

4 (25 - y) + 3y = 84

Solve.

100 - 4y + 3y = 84
-4y +3y = 84 - 100
-y = -16
-y/-1 = -16/-1
y = 16

Then:
x = 25 -y
x = 25 - 16
x = 9

So the answer is that there are 9 square tiles and 16 triangular tiles.
4 0
3 years ago
In a manufacturing process that laminates several ceramic layers, 1% of the assembles are defective. Assume that the assemblies
Setler79 [48]
There are several information's already given in the question. based on those information's, the answer can be easily deduced.

a. It is already given that 1% are defective. It is required to find the number that is needed to be checked to get 5 defective products.
Then
1% of X = 5
0.01X = 5
x = 5/0.01
   = 500

b. <span>σ = square root [(<span><span><span><span>n^2</span>−1)/</span>12]
       = square root [(250000 - 1)/12]
       = square root [249999/12]
       = square root (20833.25)
       = 144.34
       = 144
I hope the procedure is clear enough for you to understand. I also hope that this is the answer that you were looking for and the answer has actually come to your desired help.</span></span></span>
6 0
3 years ago
What is the best answer?
ratelena [41]
Add 18 to both sides to get:

px = 22

Then divide both sides by p to get:

x = 22/p

The answer is C.
7 0
3 years ago
Read 2 more answers
Please match the following 3 terms to their definitions.
yan [13]

Answer:

See attached

Step-by-step explanation:

Refer to picture

8 0
2 years ago
Find the correct sum of the polynomials (6x3 − 8x − 5) + (3x3 + 6x + 2).
Advocard [28]

Answer:

9x^3-2x-3

Step-by-step explanation:

The question is

(6x^3-8x-5)+(3x^3+6x+2)\\

collect like terms

(6x^3-8x-5)+(3x^3+6x+2)\\\\\\6x^3+3x^3-8x+6x-5+2\\\\\\9x^3-2x-3

3 0
3 years ago
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