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svetoff [14.1K]
3 years ago
12

Find the value of the expression below when x= 3. x2 + 5

Mathematics
2 answers:
Alborosie3 years ago
8 0

Answer:

11

Step-by-step explanation:

x is 3

2x+5

2(3)+5

6+5

11

DedPeter [7]3 years ago
3 0

Answer:

11

Step-by-step explanation:

x*2 + 5

Subtitute

3*2 + 5

6 + 5

11

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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
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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
A Student writes "the sum of 7 times a number n plus 5"to describe the expression 7(n+5) explain the error
ziro4ka [17]
7(N) + 5  It's 7 times a number first, then add 5
6 0
3 years ago
Write an algebraic expression for the word expression.
kolbaska11 [484]

Answer:

3 + x

Step-by-step explanation:

Sum means to add, so you would just add 3 and x (since they haven't given an actual number and only a variable).

3 0
3 years ago
Consider the equation 2/5y = 20. Tell whether each statement is true or false
svlad2 [7]

Answer:

A. True
B. False
C. False
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Step-by-step explanation:

3 0
3 years ago
Someone Please Help.
ahrayia [7]

Hi there!

\large\boxed{f(-6) = 5}

The value of f(-6) is the y-value at the x-coordinate x = -6.

Looking at the graph, we can see that at x = -6, y = 5.

Therefore, f(-6) = 5.

4 0
3 years ago
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