The length of a rectangle is 3 m longer than its width. if the perimeter of the rectangle is 42 m , find its area.

Answers

Answer 1
the length would be 11m and the width would be 8m. if you add all sides together you get 42m. A=l times w
11 times 8= 88m^2
Answer 2

The area of the given rectangle would be 108-meter sq.

What is the area of the rectangle?

The area of the rectangle is the product of the length and width of a given rectangle.

The area of the rectangle = length × Width

Given that length of a rectangle is 3 m longer than its width.

The perimeter of the rectangle = 42 m

Width = w

Let the length of the rectangle is 3 + w

Perimeter = 2(L +W)

42 = 2(w + 3 + w)

21 = 2w + 3

18 = 2w

w = 9

Area = 9 x  12 = 108 m sq.

Therefore, the area of the given rectangle would be 108-meter sq.

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Related Questions

What is the conversion factor used to convert inches to yards a.12 inches in 1 yard b.24 inches in 1 yard c.3inches in 1 yard d.36 inches in 1 yard

Answers

d. 36 inches = 1 yd <====

The conversion-factor used to convert inches to yards is : (d) 36 inches in 1 yard.

This means that for every 36 inches, there is 1 yard. By dividing the number of inches by 36, you can obtain the equivalent length in yards.

Conversion-Factors are ratios that express the relationship between different units of measurement.

In this case, using the conversion factor of 36 inches in 1 yard allows for a direct-conversion from inches to yards. It is derived from the information that there are 12 inches in a foot and 3 feet in a yard, giving a total of 36 inches in 1 yard.

Therefore, the correct option is (d).

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The given question is incomplete, the complete question is

What is the conversion factor used to convert inches to yards

(a) 12 inches in 1 yard,

(b) 24 inches in 1 yard,

(c) 3 inches in 1 yard,

(d) 36 inches in 1 yard.

B. if the two surge protectors are arranged in​ parallel, what is the probability that a voltage surge will not damage the​ television?

Answers

Let's first set the two surge protectors as p and q. In order to solve this question we would also need another variable: the probability x of working correctly when a voltage surge occurs. So, the probability that the voltage surge will not damage the TV is: 1 - 0.06^2 divide by x^2.

The information below represents the cost of Cody's home ownership. What is his average monthly expenditure related to his home?
mortgage $1,255 per month
● taxes $2,881 per year
● insurance $156 per month
● HOA fees $320 per year
● utilities $475 per month

Answers

Let's calculate all expenses per month

a) Mortgage $1,255 →→→→→→→→→ =  $1,255 per month
b)Taxes $2,881 per year →→  $2,881/12 = $240.083  per month
c) insurance $156 →→→→→→→→→→  =$156 per month 
d) HOA fees $320 per year→→→=$320/12 = $ 26.66 per month 
e)utilities $475→→→→→→→→→→→→→=$475

Average monthly expenditure: a) + b) + c) + d) = $2,152.75 

Answer:

Cody's average monthly expenditure related to his home is $2,152.75        

Step-by-step explanation:

Since the question is asked for monthly expenditure. Thus our first work is to convert all given expenditure for per monthly.

Mortgage = $1,255

Taxes = $240.08

Insurance = $156

HOA fees = $26.67

Utilities = $475

Thus, Cody's average monthly expenditure related to his home is: 1,255 + 240.08 + 156 + 26.67 + 475 = $2,152.75

The product of numbers on the diagonal when comparing two ratios

Answers

The products of numbers on the diagonals when comparing two ratios is known as the cross product.

A weather forecast predicts that the temperature in antarctica will decrease 8 degrees fahrenheit each hour for the next 6 hours. write and solve an inequality to determine how many hours it will take for the temperature to drop at least 36 degrees fahrenheit

Answers

It will take at least 5 hours for the temperature to drop by 36 degrees Fahrenheit.

To determine how many hours it will take for the temperature in Antarctica to drop at least 36 degrees Fahrenheit, you can set up an inequality. Let's call the number of hours it takes for the temperature to drop x.

Given that the temperature decreases 8 degrees Fahrenheit each hour, you can represent the temperature drop as:

8x

Now, you want this temperature drop to be at least 36 degrees Fahrenheit, so you can write the inequality:

8x ≥ 36

To solve for x, divide both sides of the inequality by 8:

x ≥ 36 / 8

x ≥ 4.5

So, it will take at least 4.5 hours for the temperature in Antarctica to drop by at least 36 degrees Fahrenheit.

Since time is typically measured in whole hours, it will take at least 5 hours for the temperature to drop by 36 degrees Fahrenheit.

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Final answer:

It will take at least 4.5 hours for the temperature in Antarctica to drop at least 36 degrees Fahrenheit.

Explanation:

To determine how many hours it will take for the temperature in Antarctica to drop at least 36 degrees Fahrenheit, we can write and solve an inequality:

Let x be the number of hours it takes for the temperature to drop.

The temperature decreases 8 degrees Fahrenheit each hour for the next 6 hours:

8x ≥ 36

Divide both sides of the inequality by 8:

x ≥ 4.5

Therefore, it will take at least 4.5 hours for the temperature to drop at least 36 degrees Fahrenheit.

A 10-pound weight in a 2-pound weight are dropped from the same height at the same time which weight will hit the ground first

Answers

they would drop at the same time

Answer:

explained below

Step-by-step explanation:

when two object one of 10 pound weight and another of 2 pound is dropped from same height

condition 1 : when body fall In vaccum

When body fall in vaccum then there will be no effect of weight.

Both the body will hit the ground at the same time.

Condition 2 : when body falls in normal condition

When body falls in normal condition then in this condition the heavy weight object will fall first as the light weight object will have more air resistance than the heavy one.

The expression 53 ( 1 − x) gives the discounted price of a pair of shoes, where x is the percent of the discount written in decimal form.

What does 1 − x represent in the expression?

A. percent of original price being paid

B. discount price of the shoe

C. percent of discount

D. original price of shoe

Answers

i think its A. sorry if i got it wrong

Which expression is the factored form of 2/3x+4 ?

A 2/3(x+6)

B 2/3(x+12)

C 2/3(x+4)

D 1/3(2x+6)

Answers

the answer is A. (2/3)(x+6)
2/3x+4
4/(2/3)=6
2/3(x+6)

Find the Domain and Range (show work)

Answers

see attached picture for solutions:


Domain: {x| x ≠ -4, x ∈ R} or (-∞,-4)∪(-4,∞)
Solving: your denominator cannot equal zero so solve this x + 4 ≠ 0 

Range: (f(x) | f(x) ≥ 0} or [0, ∞)
Solving you can get zero because x = 0 gives you zero
but when you test other numbers in your domain like x = -2 and x = 2 you only get positive results. Therefore your range is all real non-negative numbers.

A ball is dropped from a height of 10 meters. Each time it bounces, it reaches 50 percent of its previous height. The total vertical distance the ball has traveled when it hits the ground the fifth time is meters.

Answers

10 + 5 + 5 + 2.5 + 2.5 + 1.25 + 1.25 + 0.625 + 0.625 = 28.75 meters
[tex].625+.625[/tex][tex] 5+5, 2.5+2.5, 1.25 + 1.25[/tex]
[tex](10 + 5 + 5 + 2.5 + 2.5 + 1.25 + 1.25 + 0.625 + 0.625) = 28.75 [/tex]

What is the relationship between 5.34×105 and 5.34×10−2 ?

Answers

5.34 x 10⁵ = 53400
and
5.34 x 10⁻² = 0.0534
so the relationship between these two numbers are first one is greater than the other number. the numbers or digits before the power of ten is same but when we the whole as with power of ten, that powers change the values of numbers.

Answer:

5.34×105 and 5.34×10−2

Step-by-step explanation:

the first is greater than the scoend and the second is less then

Find four consecutive even integers such that if the sum of the first and the third is multiplied by 5 the result is 12 less than 9 times the fourth

Answers

4 consecutive even integers....x, x + 2, x + 4, x + 6

5(x + x + 4) = 9(x + 6) - 12
5(2x + 4) = 9x + 54 - 12
10x + 20 = 9x + 42
10x - 9x = 42 - 20
x = 22

x + 2 = 22 + 2 = 24
x + 4 = 22 + 4 = 26
x + 6 = 22 + 6 = 28

so ur numbers are : 22,24,26, and 28

Jorge is 1 year younger than his brother. The sum of their ages is no less than 25 years. Enter the youngest age Jorge's brother can be. Question 10 options:

12

13

14

15

Answers

Jorge's brother would be 13 years old
Final answer:

The youngest age Jorge's brother can be is 13. This is derived from the given condition that the sum of their ages is no less than 25, by assigning Jorge's brother's age as an unknown 'x' and using algebraic principles.

Explanation:

The subject question is a simple algebraic problem. Let's denote Jorge's brother's age as x, so Jorge's age would be x-1. The problem states that the sum of their ages is no less than 25, which would translate algebraically into x + (x-1) ≥ 25.

Then we simplify the equation by combining like terms, it turns into 2x - 1 ≥ 25. To isolate x, you first add 1 to both sides of the equation, which gives you 2x ≥ 26, and then divide both sides by 2, resulting in x ≥ 13.

Therefore, the youngest age Jorge's brother can be is 13.

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Analyze the function’s graph to determine which statement is true.
Over the interval [–2.5, 0.5], the local maximum is 2.
As the x-values go to positive infinity, the function’s values go to negative infinity. The function is decreasing over the interval (–1, 0.75).
The function is negative for the interval [–2, 0]

Answers

Let us examine the given statements:

1. Over the interval [-2.5, 0.5], the local maximum is 2.
    TRUE

2. As the x-values go to positive infinity, the function's values go to
    negative infinity.
    The opposite happens.
    FALSE

3. The function is decreasing over the interval (-1, 0.75).
    The function decreases in (-1, 0), but it increases in (0, 0.75).
    FALSE

4. The function is negative for the interval [-2, 0].
    The function is positive in [-2, -1). It is negative only in (-1, 0].
    FALSE

    
Final answer:

The truth of the statements in the question can be verified by analyzing the function's graph over the stipulated intervals. Understanding concepts such as local maxima, the behavior of functions at infinity, an interval of decrease, and intervals where a function remains negative or positive are essential in this process.

Explanation:

To determine which statement in the question is true, we need to analyze the function's graph. The statements included talk about specific behaviors of the function in different intervals of the x-axis.

The first statement mentions a local maximum of 2 over the interval [–2.5, 0.5]. You will need to locate this interval on the x-axis and see if 2 is indeed the highest y-value within this range. If there is a point on the function where the y-value is 2 and it is higher than all neighboring points, then this statement is true.

The second statement states that as the x-values go to positive infinity, the function's values go to negative infinity. This implies that as the function continues towards the positive direction on the x-axis, the y-values continuously decrease towards negative infinity. If the graph shows this, then this statement is true.

The third statement says the function is decreasing over the interval (–1, 0.75). This would mean that as x goes from –1 to 0.75, the y-values decrease. If you observe this on the graph, this statement is true.

The last statement asserts the function is negative for the interval [–2, 0]. If, for all x-values from –2 to 0, the corresponding y-values are below the x-axis (negative), then this statement is valid.

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Compare 4:10 and 12:20 using fractions. Which ratio is smaller? How do you know?

Answers

4:10 is smaller because it will take less to make it whole.

Answer:

4:10 is smaller because when put into fraction form and making the denominators even, 12:20 comes out to be 6/10

Step-by-step explanation:

Solve 4/5m = -15 show you’re work please ;)

Answers

4/5m = -15
m = -15 (5/4)
m = -75/4
m = -18.75
simplify 4/5m to 4m/5

(4m/5 = -15)


Multiply both sides by 5

(4m = -15 x 5)


simplify 15 x 5 to 75

4m = -75

divide both sides by 4

(m = 75/-4)

Answer: m = 75/-4

*The work in the parenthesis box is the work shown

* The words above the parenthesis box are the steps in order

* The text in bold is the answer.

This diagram of airport runway intersections shows two parallel runways. A taxi way crosses both runways. How are 6 and 2 related?
a)corresponding angles
b) alternate interior angles
c)same side interior angles
d) none of these

Answers

Answer: A) Corresponding Angles

Refer to the diagram below.
Two angles are corresponding to each other when they are on the same line that crosses two parallel lines, one angle is inside the parallel lines, the other is on the outside.

how is the decimal 2.4 written as a mixed number in its simplest form

Answers

2 4/10
2 2/5
That's the answer

The mixed number in their simplest form can be represented as

[tex]2\dfrac{2}{5}[/tex]

What are real numbers?

Real numbers are defined as the value of a continuous quantity that can represent a distance along a line a real number in mathematics. Rational and irrational numbers are both real numbers. Rational numbers such as integers (-7, 0, 4), fractions(5/2,7/2, 4.2), and irrational numbers such as √5, π, etc., are all real numbers.

we have to determine the decimal 2.4 written as a mixed number in its simplest form.

Given that the decimal as:

⇒ 2.4

⇒ 2 + 0.4

Convert decimals into a fraction.

⇒ 2 + 4/10

⇒ 2 + 2/5

Thus, mixed number in their simplest form is

[tex]2\dfrac{2}{5}[/tex]

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If a data set has an even number of data, is it true or false that the median is never equal to a value in the data set? explain.

Answers

not always true what you do is add the two center numbers and divide by 2 sometimes (rare) you will have a number in the data i.e. if like the two center ones are the number 2,

The median is never equal to a value in the data set when the data set has an even number of data points.

The statement is true - if a data set has an even number of data points, the median will never be equal to a value in the data set. The median is the middle value in an ordered set of data. When there is an even number of points, there are two middle values, so the median is the average of those two values.

For example, if we have the data set (2, 4, 6, 8), the median would be (4 + 6)/2 = 5. As you can see, the median is not equal to any of the values in the data set.

In conclusion, the median is never equal to a value in the data set when the data set has an even number of data points.

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Curt just drank a cup of coffee to help him stay awake. The coffee had 130 milligrams of caffeine in it. If his body processes 7% of the caffeine every hour, how much will be left in 4 hours?

93
94
98
91

Answers

Since we have to multiply it by 0.07 4 times (for each hour), we have 130 * 7^4

Answer:

After 4 hours, there will 91.31 miligrams of caffeine within his body.

Step-by-step explanation:

Givens

Curt drank 130 miligrams of caffeine.His body processes 7% of caffeine everyhour.

If Curt's body processes 7% every hour, we just need to that 7% after each hour. Also, we know that 7% equals 0.07.

First hour.

[tex]0.07(130)=9.1ml[/tex]

The first hour, his body processed 9.1 miligrams, so it remains

[tex]130-9.1=120.9ml[/tex]

There's still 120.9 miligrams in his body.

Second hour.

[tex]0.07(120.9)=8.46ml[/tex]

[tex]120.9-8.46=112.44ml[/tex]

Third hour.

[tex]0.07(112.44)=7.87ml[/tex]

[tex]112.44-7.81=104.63ml[/tex]

Fourth hout.

[tex]0.07(104.63)=7.32ml[/tex]

[tex]104.63-7.32=97.31ml[/tex]

Therefore, after 4 hours, there will 91.31 miligrams of caffeine within his body.

How to find an equation in slope intercept form given two points?

Answers

Example :

(1,2)(3,4)

first we find the slope by using the slope formula
slope = (y2 - y1) / (x2 - x1)
now we label our points..
(1,2)...x1 = 1 and y1 = 2
(3,4)...x2 = 3 and y2 = 4
now we sub and find the slope
slope = (4 - 2) / (3 - 1) = 2/2 = 1....so we have a slope of 1

now we use y = mx + b
slope(m) = 1
use either of ur points...(1,2)...x = 1 and y = 2
now we sub into the formula and find b, the y int
2 = 1(1) + b
2 = 1 + b
2 - 1 = b
-1 = b ....this is ur y int

and in y = mx + b form, the slope will be in the m position and the y intercept will be in the b position

y = mx + b
slope(m) = 1
y int (b) = -1

so ur equation in slope intercept form is : y = 1x + (-1) which can be written as : y = x - 1




Shaylee is determining if 6 is the solution to the equation.
    42 ÷ w = 7 for w = 6
First, Shaylee must substitute ( ) for ( ).
To simplify, Shaylee must divide ( ) by ( ) .

Answers


First, Shaylee must substitute (6) for (w)

To simplify,Shaylee must divide (42) by(6)

:)

6 is the solution of the equation 42 ÷ w = 7.

What is Division?

A division is a process of splitting a specific amount into equal parts.

Given that Shaylee is determining if 6 is the solution to the equation

42 ÷ w = 7 for w = 6

Forty two divided by w equal to seven for w equal to six.

First, Shaylee must substitute 6 for w.

To simplify, Shaylee must divide 42 by 6

42/6=7

So 6 is the solution of the equation.

Hence, 6 is the solution of the equation 42 ÷ w = 7.

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What is the product written in scientific notation? (5.91×10^−3)⋅(8.7×10^10)

a) 14.61 × 10^−30

b) 5.1417 × 10^8

c) 14.61 × 10^7

d) 5.1417 × 10^7

Answers

(5.91 * 10^-3) * (8.7 * 10^10) =
(5.91 * 8.7) * (10^-3 * 10^10) =
51.417 * 10^7.....which is the same as  5.1417 * 10^8

The product written in scientific notation will be; 5.1417 × 10^8

How do scientific notations work?

Scientific notations have some of the profits as Better readability due to compact representation. Its value in terms of the power of 10 is known, which helps in the easy comparison of quantities differing by a large value.

We have been given that (5.91 × [tex]10^{-3}[/tex])⋅(8.7 × [tex]10^{10}[/tex])

Required to find the product written in scientific notation;

(5.91 × [tex]10^{-3}[/tex])⋅(8.7 × [tex]10^{10}[/tex])

(5.91  x 8.7)  ( [tex]10^{-3}[/tex]× [tex]10^{10}[/tex])

51.417  × [tex]10^7[/tex]

which is the same as; 5.1417 × [tex]10^8[/tex]

Hence, the product written in scientific notation will be; 5.1417 × [tex]10^8[/tex]

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Point M is the midpoint of AB. What are the coordinates of B if A is (-8, 3) and if M is (-4, 2).

Answers

The coordinates of B would be (0,1)

What property of multiplication do we use to find equivalent fractions?

Answers

I think it's the communitive property

The equivalent fractions for 2/3 are 6/9, 10/15, and 12/18; the multiplicative identity is a feature of multiplication which is used to find equivalent fractions.

What is a fraction?

Fraction number consists of two parts, one is the top of the fraction number which is called the numerator and the second is the bottom of the fraction number which is called the denominator.

Given that 2/3 by multiplying by 3/3, 5/5, and 6/6.

= (2/3)(3/3)

= 6/9

= (2/3)(5/5)

= 10/15

= (2/3)(6/6)

= 12/18

The multiplicative identity is a feature of multiplication which is used to find the equivalent fractions.

Hence, the equivalent fractions for 2/3 are 6/9, 10/15, and 12/18; the multiplicative identity is a feature of multiplication which is used to find equivalent fractions.

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What is the measure of angle ABD in trapezoid ABCD?

A. 24°
B. 40°
C. 64°
D. 92°

Answers

∠ADB=24
116+24=140
180-140=40
∠ABD=40
B. 40

Answer:

The answer is B.40

Step-by-step explanation:


5x + 2y = 8
x + y = 4

If you want to solve the system of equations by addition, which of the following could you do?

(A.) Multiply the second equation by 5 and add.
(B.) Multiply the second equation by 2 and add.
(C.) Multiply the second equation by -2 and add.

Answers

Answer: C. Multiply the second equation by -2 and add

Step-by-step explanation:

Answer:

Step-by-step explanation:

The solution is C

5x + 2y = 8

-2x -2y= -8

3x = 0

x = 0

2y = 8

y = 4

(0,4)

John and Mary Billings own a condominium with an acid value of 110000 if the tax rate is 25 meals per dollar off the valuation how much tax do they pay

Answers

So the tax rate is 25 mills per dollar.
A mills is equal to 0.001

This means that the tax they pay is 25 x 0.001 = 0.025 per dollar of valuation.
Since the acid value is 110,000, therefore the amount of tax they pay can be calculated as follows:
amount of tax = 110,000 x 0.025 = $2,750 tax paid

Consider 7 x 10 to the third power. Write a pattern to find the value of the expression

Answers

Maybe like this 7x10³

Chords AC and BD intersect at the center of circle ABCD. If the length of CP = 8, which is the length of PB?

Answers

Given that the chords intersect at the center, you conclude that they both are diameters.

Now, you have that the point p is the intersection point, so it is the center of the circle.

Then, the length of CP is the radius of the circle, and also the lenght of PB is the radius.

So, the length of CP is equal to the length of PB, and it is 8.

Answer: 8.
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