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xenn [34]
3 years ago
5

A rectangle has a length that is 4 ft more

Mathematics
2 answers:
Ludmilka [50]3 years ago
6 0

Answer:

length = 14 width = 10

Step-by-step explanation:

48/4=12

10+10+14+14=48

Mars2501 [29]3 years ago
4 0
Width = W = 10 ft

Length = L = 14 ft

P = perimeter = 48 ft

Explanation:


P rectangle = 2L+ 2W
L = W + 4
P = 48

Substitute into formula:
P rectangle = 2L + 2W
48 = 2( W + 4 ) + 2W
48 = 2W + 8 + 2 W
48= 4W + 8
48 - 8 = 4W
40 = 4W
W = 40/4 = 10
W = 10

The rectangle has a length that is 4 ft more than its width : L = W + 4

Substitute : L = 10 + 4 = 14
L = 14 ft

I hope this help!!!
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solmaris [256]

799 represents the initial value of the painting

The painting will be worth $926 after 5 years to the nearest dollar

Step-by-step explanation:

The form of the exponential function is f(x)=a(b)^{x} , where

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  • b is the growth/decay factor ⇒ (rate of change)
  • If b > 1, then the function is growth ⇒ (increasing)
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The value of a rare painting has increased each year since it was

found at a garage sale

The value of the painting is modeled by the function f(x)=799(1.03)^{x}

We need to know what 799 represents and what the painting will

be worth after 5 years

∵ f(x)=799(1.03)^{x}

∵ The form of the function is f(x)=a(b)^{x}

- By comparing the two forms

∴ a = 799 and b = 1.03

∵ a is the initial value at x = 0

∴ 799 represents the initial value of the painting

∵ x represents the number of years

∴ x = 5

- Substitute the value of x in the function by 5

∵ f(5)=799(1.03)^{5}

∴ f(x) = 926.26

∴ The painting will be worth $926 after 5 years to the nearest dollar

799 represents the initial value of the painting

The painting will be worth $926 after 5 years to the nearest dollar

Learn more:

You can learn more about the functions in brainly.com/question/10382470

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6 0
3 years ago
Which of the following describes the correct process for solving the equation 3x+6=21
DochEvi [55]

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Step-by-step explanation:


4 0
3 years ago
Simplify. ‒36 ÷ (27 ÷ 3 ∙ 2)
andrew11 [14]

The simplified value  of expression -36/(27/3*2) is -8.

Given an expression -36/(27/3*2).

We are required to find the simplified value of given expression. To simplify the expression we need to use addition,subtraction,multiplication, division, brackets, etc. We can say that we have to use BODMAS in order to find the simplified value of expression.

Expression is combination of numbers, symbols, coefficients, determinants, indeterminants, fraction,algebraic operations,etc.  usually not found in equal to form.

The given expression :

=-36/(27/3*2)     (Multiplying 3 and 2 first)

=-36/(27/6)

=(-36*2)/9   (Invert the fraction given in denominator)

=-72/9          (Multiplying -36 to 2)

=-8

Hence the simplified value of expression -36/(27/3*2) is -8.

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5 0
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Steve is installing a new water fountain in Mountain View Middle School. He sets the water to flow according to the equation g =
Zinaida [17]

Answer:

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6 0
3 years ago
What is the inverse function of y=x^2-7
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With inverse functions you just swap 'x' and 'y' and solve for 'y'.

\sf y=x^2-7

Swap 'x' and 'y':

\sf x=y^2-7

Add 7 to both sides:

\sf x+7=y^2

Take the square root of both sides:

\sf y=\boxed{\sf\pm\sqrt{x+7}}
3 0
3 years ago
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