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Naily [24]
3 years ago
14

Raymond is installing a new kitchen counter top . The counter top is a rectangular piece of quartz that is 5.75 feet long and 2.

47 feet wide .Round the length and width to the nearest whole number . Then estimate the perimeter of the countertop
Mathematics
1 answer:
nasty-shy [4]3 years ago
3 0

Answer:

5.75 ft ≈ 6 ft

2.47 ft ≈ 2 ft

perimeter of the rectangular counter top  = 16 ft

Step-by-step explanation:

The counter top he is installing is a rectangular piece of quartz that is 5.75 ft long and 2.47 ft wide. The length and the width can be rounded off to the nearest whole number as follows.

length = 5.75 ft to the nearest whole number will be 6 ft

width = 2.47 ft to the nearest whole number will be 2 ft

The logic in rounding off the number to the nearest whole number is that the value on the left hand side of the decimal is rounded off to an integer. If the number at the right hand side of the number is greater or equal to 5 we borrow 1 and add to the left hand side number of the decimal number.

Therefore,

Perimeter of the rectangle = 2l + 2w

perimeter of the rectangle = 2 × 6 + 2 × 2

perimeter of the rectangle = 12 + 4

perimeter of the rectangle = 16 ft

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lys-0071 [83]
Let’s go!

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6 0
4 years ago
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Jeffery babysits for 4 dollars per hour, he also works as a math tutor for 7 dollars per hour. He is only allowed to work 13 hou
Oksana_A [137]

Given:

Jeffery babysits for 4 dollars per hour and works as a math tutor for 7 dollars per hour.

He is only allowed to work 13 hours total per week.

He wants to make at least 65 dollars.

To find:

The system of inequalities to represent this situation.

Solution:

Let x be the number of hours he babysits per week and y be the number of hours h works as a math tutor.

He is only allowed to work 13 hours total per week.  It means sum of x and y must be less than or equal to 13.

x+y\leq 13

He wants to make at least 65 dollars. It means total earnings must be greater than or equal to 65.

4x+7y\geq 65

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x\geq 0, y\geq 0.

Therefore, the required system of inequalities contains some equations,  x+y\leq 13,4x+7y\geq 65 and x, y\geq 0.

4 0
3 years ago
Which zero is significant in the number 50,540? what is the other zero called?
Anna11 [10]

Consider the number 50,540.We have to determine the significant figure.

Significant figures are the digits that carry meaning contributing to its measurement resolution.  It excludes the leading and trailing zeroes.

The first zero in the 50 is considered to be a significant number, while the second zero (in the 540) is not significant number.

The second zero is a called a placeholder zero. It can be removed by converting the number into scientific notation.

5 0
3 years ago
I need help with this please and thank youuu <br><br> 3 = -2v − v<br><br> v=___
Vlad [161]

Answer:

v = - 1

Step-by-step explanation:

Collect like terms on the right side of the equation

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v = \frac{3}{-3} = - 1


6 0
3 years ago
Hi i need to solve this problem but i forgot. I do know though that you have too use the distributive property. a+ny=n?
Thepotemich [5.8K]
A+ny = n
a = n-ny
a = (1-y)n
a/(1-y) = n
<span>n = a/(1-y)</span>
5 0
3 years ago
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