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Rufina [12.5K]
3 years ago
7

Area and perimeter for this rectangle

Mathematics
2 answers:
vladimir1956 [14]3 years ago
6 0

Answer:

Perimeter: 48mm

Area: 95mm

Step-by-step explanation:

Perimeter=2(l+w)

2((8x+3)+5)

-8x=2(3+5)

-8x=2(8)

-8x=16

x=2

2((8(2)+3)+5)= 48

So the perimeter is 48mm

Area=wl

l=19mm

w=5mm

19*5=95mm

So the area is 95mm

siniylev [52]3 years ago
5 0

Answer:

perimeter = (8x + 3mm + 5mm) ×2

area = (8x + 3mm) × 5mm

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A city has a population of 14000. The population is 27000 after 10 years.
pogonyaev

Answer:

Umm... the population increased

Step-by-step explanation:

what is the question though.. .I mean what are we supposed to answer but The population increased 13000 after 10 years. hope that is what it you're asking for the answer and hope that helps ( :

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3 years ago
What is the value of the expression "two less than six times the difference of a number and five" when n = 9?
Burka [1]

Answer: The value of the expression when n=9 is 22

Step-by-step explanation:

In this case, you need to remember that:

1. Tthe word "less than" indicates a subtraction.

2.  By definition, the "Difference" in the result of a subtraction.

3. The word "times" indicates multiplication,

Based on the information given above, you know that  " Six times the difference of a number and five" can be expressed as:

6(n-5)

Then,  "Two less than six times the difference of a number and five" can be represented with this expression:

6(n-5)-2

Now you can substitute n=9 into the expression and the evaluate in order to find the value of the expression. This is:

6(9-5)-2=6(4)-2=24-2=22

7 0
3 years ago
A walking path across a park is represented by the equation y=-3x-6. A new path will be built perpendicular to this path. The pa
galben [10]
The equation of the new path would be y=1/3x+4.

Explanation
If two lines are perpendicular, their slopes are negative reciprocals of each other.  The original equation is written in slope-intercept form, y=mx+b, where m is the slope.  In this equation, m=-3=-3/1.

In the new equation, the slope would be the opposite sign and flipped; this means it would be 1/3.

We can use the point given, the slope and slope-intercept form to write the equation of the new line:

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6 0
3 years ago
Use the table below to answer this question:
tekilochka [14]

Using it's concept, it is found that the average rate of change of the function from x = -1 to x = 5 is of -1.

<h3>What is the average rate of change of a function?</h3>

It is given by the <u>change in the output divided by the change in the input</u>.

In this problem, the output changes by -6(from 7 to 1) when the input changes by 6(from -1 to 5), hence the average rate is given by:

r = -6/6 = -1.

More can be learned about the average rate of change at brainly.com/question/24313700

#SPJ1

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2 years ago
A rectangular prism has a length of 8 in., a width of 4 in., and a height of 2 1/4 in.
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Before you do anything, you convert 1/4 into 0.25. Then you start multiplying. If you don't understand email me at [email protected] or go to Khan Academy .
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