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tangare [24]
3 years ago
6

Help me plz !! need it plz

Mathematics
1 answer:
liraira [26]3 years ago
5 0

Answer:

5x-15

Step-by-step explanation:

Product means multiply, so that would just make it 5x. Less than means subtract. So its 5x-15.

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An article gave the following summary information for fracture strengths (MPa) of n = 196 ceramic bars fired in a particular kil
Oliga [24]

Answer:

54.80 MPa to 55.92 MPa

Step-by-step explanation:

Sample mean fracture strength (x) = 55.36 MPa

Sample standard deviation (s) = 3.99 MPa

Sample size (n) = 196.

The upper and lower bounds for a 95% confidence interval are given by:

U=x+1.960*\frac{s}{\sqrt{n}} \\L=x-1.960*\frac{s}{\sqrt{n}}

The upper and lower bounds of the confidence interval are;

U=55.36+1.960*\frac{3.99}{\sqrt{196}}\\U= 55.92\\L=55.36-1.960*\frac{3.99}{\sqrt{196}}\\L= 54.80\\

The 95% confidence interval for true average fracture strength is 54.80 MPa to 55.92 MPa

4 0
4 years ago
Which expression is equivalent to 8 (9 + x)?
jasenka [17]

Answer:

72 + 8x

you would multiply 8 by 9 + x

5 0
3 years ago
The formula for converting celsius to fahrenheit is F = 9/5C+32.
NISA [10]

Step-by-step explanation:

thats is all,just subject of formula

7 0
1 year ago
Easy and simple but i don’t know which one goes to which. please help
Llana [10]

Answer:

They are placed in right order (quite interesting).

Step-by-step explanation:

Just drag each answer choice as they are placed.

Best Regards!

6 0
3 years ago
A small half bath measures 42 inches by 48 inches.What is the square footage of the half bath?
Mkey [24]
A=LW, we are told that the dimensions are 42 and 48 so:

A=42*48

A=2016in^2
3 0
3 years ago
Read 2 more answers
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