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nadya68 [22]
3 years ago
15

Each side of a square classroom is 8 yards long. The school wants to replace the carpet in the classroom with the new carpet tha

t costs $41.00 per square yard. How much will the new carpet cost?
Mathematics
1 answer:
shusha [124]3 years ago
7 0

Answer: $2624

Step-by-step explanation:

Well since it’s square yards that means find the area first and since it’s a square and your given 1 side then it’s 8(8)=64. So there’s 64 square yards and since it’s $41 per square yard then multiply 64(41) which will give you $2624

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kiruha [24]
#1
4x-6y=12

subtract 4x to both sides
-6y= -4x+12

divide everthing by -6
y= 4/6x-2
y= 2/3x-2

#2
-2x+3y=-6
3y= 2x-6
y= 2/3x-2
5 0
3 years ago
Jenny studied the characteristics of two species of bacteria. The number of bacteria of species A, A(t), after t hours is repres
Marina CMI [18]
<h3><u>Answer:</u></h3>

The function N(t) is given as:

N(t)=3+(0.25t)^3-8(1.06)^t

<h3><u>Step-by-step explanation:</u></h3>

Jenny studied the characteristics of two species of bacteria.

The number of bacteria of species A, A(t), after t hours is represented by the function:

A(t) = 5+(0.25t)^3

The number of bacteria of species B, B(t), after t hours is represented by the function:

B(t) = 2 + 8(1.06)^t

N(t) denotes the difference in the number of bacteria; hence N(t) is given by after t hours as:

N(t)=A(t)-B(t)

N(t)= 5+(0.25t)^3-(2 + 8(1.06)^t)

which on simplifying gives:

N(t)=5+(0.25t)^3-2-8(1.06)^t\\\\N(t)=5-2+(0.25t)^3-8(1.06)^t\\\\N(t)=3+(0.25t)^3-8(1.06)^t

Hence,

5 0
3 years ago
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Consider the function f(x)=x^2+bx-49 where b is a constant. if the function has an axis of symmetry at x = 8, what is the value
Jlenok [28]
For this case we have the following equation:
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 Clearing b:
 b = -2 * (8)
 b = -16
 Answer:
 
the value of b is:
 
b = -16
3 0
3 years ago
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Dmitry_Shevchenko [17]
The answer is b)

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there is no graph here to answer this

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