For a given set of rectangles, the length varies inversely with the width. In one of these rectangles, the length is 2 and the width is 42. For this set of rectangles, calculate the width of a rectangle whose length is 7.

Answers

Answer 1

Answer:

Width = 12

Step-by-step explanation:

L = k/w

Where,

L = length of the rectangle

w = width of the rectangle

k = constant of proportionality

length is 2 and the width is 42

L = k/w

2 = k/42

k = 42 × 2

k = 84

calculate the width of a rectangle whose length is 7.

L = k/w

7 = 84/w

7w = 84

w = 84/7

w = 12

Width = 12


Related Questions

the profit a company earns every month depends

Answers

Answer:

The profit that a company earns each month depend on the amount of product sold, p, for $855 each and the amount of money spent on rent, utilities, and other expenses, which always totals to $6,780. The CEO earns 15% of the profit.

ncome: p*855

Expenses: 6780

Profit = Income - expenses = 855p - 6780 = 855*250 - 6780 = 213750 - 6780 = 206970

CEO's earn = 15% * 206970 = 0.15*206970 = 31,045.5

Answer: 31,045.5

Step-by-step explanation:

Mhanifa please help these are my last ones !

Answers

Answer:

#1

x/12 = 2/8x = 12/4x = 3

#2

m∠E = 180° - (60° + 53°) = 67° ∠E ≅ ∠H ⇒ ∠D ≅ ∠G

ΔCDE ~ ΔFGH by AA postulate

#16

a = 3.5 in and k = 2/3, a' = ?a' = ak a' = 3.5*2/3 = 7/2*2/3 = 7/3 = 2 1/3 in

Correct choice is D

2. Currently, Yamir is twice as old as Pato. In three years, the sum of their ages will be 30. If Pato's current age
is represented by a, which of the following equations could be used to correctly solve for a?
(1) a + 2a + 3 = 30
.(2) a + 2a +6 = 30
(3) (a +3)+2(a +3) = 30
(4) a +2(a +6)= 30

Answers

Given:

Yamir is twice as old as Pato.

In three years, the sum of their ages will be 30.

Pato's current age is represented by [tex]a[/tex].

To find:

The equation that could be used to correctly solve for [tex]a[/tex].

Solution:

We know that, Pato's current age is represented by a, then

Yamir's age = [tex]2a[/tex]

After three years,

Pato's age = [tex]a+3[/tex]

Yamir's age = [tex]2a+3[/tex]

In three years, the sum of their ages will be 30.

[tex](a+3)+(2a+3)=30[/tex]

[tex](a+2a)+(3+3)=30[/tex]

[tex]a+2a+6=30[/tex]

Therefore, the correct option is 2.

Use the distributive property to expand (simplify): 14(2t - 10y)

Answers

Answer:

28t-140y

step by step explanation:

[tex]\textsf{Hi Brainy User, I'm Here to Help you!}[/tex]

- - - - - - - - - - - - - - - - - - -

[tex]\textsf{We're asked to expand the expression using the distributive property.}[/tex]

[tex]\textsf{But we need to be familiar with it first. \quad This is what it states :}[/tex]

[tex]\textsf{a(b+c)=ab+ac}[/tex]

[tex]\textsf{Now we simplify. \quad 14(2t-10y)=14*2t-14*10y=28t-140y}[/tex]

[tex]\textsf{\textbf{Answer: 28t-140y}}[/tex]

[tex]\Large\overbrace{\underbrace{\boldsymbol{Reflection - RoSe}}}^\star_\star[/tex]

tell whether the angles are adjacent or vertical. Then find the value of x

Answers

Step-by-step explanation:

8.Solution:

x+35=90(adjacent)

x=90-35

x=55

9.Solution:

x=128(vertical)

10.Solution:

x+117=180(adjacent)

x=180-117

x=63

11.Solution:

75=4x-25(vertical)

75+25=4x

100/4=x

x=25

12.Solution:

4x+2x=90(adjacent)

6x=90

x=90/6

x=15

13.Solution:

7x+x+20=180(adjacent)

8x=180-20

x=170/8

x=21.25

A science test had 32 true or false questions. Malik answered 75% of the questions correctly. How many of the questions did he NOT answer correctly?

Answers

Answer:

If you had 32 questions and got a grade of 75% then you would have gotten 8 questions wrong and 24 correct anwsers.

hii please help i’ll give brainliest

Answers

Answer:

H

Step-by-step explanation:

the point H is (-3, 2) which fits the requirements

the answer is point H because quadrant two will always have a pair that is (-,+)

Hasina and her sister Jaqa ride their bikes to school.
Hasina starts first. The equations show the distance
each girl is from home m minutes after Jada starts.
What is the solution of the system of equations? What
does this mean in this situation?
Hasina: d = 300m + 1,500
Jada: d= 300m

Answers

The solution to the system of equations is d = 300m, which means that after Jada starts, both Hasina and Jada will be 300m away from home.

The solution to the system of equations is d = 300m. This means that after Jada starts, both Hasina and Jada will be 300m away from home. This is because the equation for Hasina states that she is 300m + 1500m away from home. Since Jada is starting second, she will only be traveling 300m from home. Therefore, the solution of the system of equations is d = 300m.

To solve the system of equations, we can use substitution. First, we can substitute 300m for d in Jada's equation. This gives us 300m = 300m, which is a true statement. We can then substitute this value for d in Hasina's equation, which gives us 300m + 1500m = 300m. To solve for m, we can subtract 1500m from both sides, giving us 0 = -1500m. To isolate m on one side, we can divide both sides by -1500, giving us -1 = m. This means that after Jada starts, both Hasina and Jada are 300m away from home.

Learn more about equation here:

https://brainly.com/question/10413253

#SPJ1

can somebody help me with this ty!!

Answers

(if you are finding area)
5x5 =25
1/2bh = 17.5
17.5 + 25 =
42.5

h(x) = x ^ 2 - 7x - 8 1) What are the zeros of the function? Write the smaller first, and the larger second smaller I largerx = 2 ) What is the vertex of the parabola ?

Answers

Answer:

The zeros are x = -1 and x = 8

The vertex is (3.5, -20.25)

Step-by-step explanation:

When we have a quadratic equation like:

y = a*x^2 + b*x + c

The zeros of the function are the values of x such that:

a*x^2 + b*x + c = 0

And the solutions are given by the Bhaskara's equation, which is:

[tex]x = \frac{-b \pm \sqrt{b^2 - 4*a*c} }{2*a}[/tex]

And the vertex is at:

x = -b/2a

The y-value at the vertex is the function evaluated in that point.

In this case, we have the equation:

h(x) = x^2 - 7*x - 8

Then:

a = 1

b = -7

c= -8

Replacing these in the Bhaskara's equation we get:

[tex]x = \frac{-(-7) \pm \sqrt{(-7)^2-4*1*(-8)} }{2*1} = \frac{7 \pm 9 }{2}[/tex]

Then the two solutions are:

x = (7 - 9)/2 = -2/2 = -1   (this is the smaller one)

and

x = (7 + 9)/2 = 16/2 = 8  (this is the larger one)

And we will have the vertex at:

x = -(-7)/2*1 = 7/2 = 3.5

Evaluating h(x) in 3.5 we get:

h(3.5) = (3.5)^2 - 7*(3.5) - 8 = -20.25

Then the vertex is the point:

(3.5, -20.25)

Frank's bank charges a variable finance rate of 1.5 percent on purchases up to $100, and one percent for purchases over $100. If his unpaid balance is $354.15 this month, what is his finance charge?​

Answers

Answer:

Hi there, $4.04 should be his finance charge.

Step-by-step explanation:

Voltage (V), varies directly with resistance (R) in a circuit. If the voltage is 150 volts when the resistance is 480 ohms, find the voltage when the resistance is 200 ohms.

Answers

62.5 v I think but I’m not sure

Convert 54 km/h into metres per second (m/s)

Answers

Answer:

1.5m/sec is the answer

Step-by-step explanation:

54×1000m/60×60sec

54000m/3600sec

1.5m/sec

Answer:

15 m/s

Step-by-step explanation:

54 ÷ 3.6 = 15 m/s

HURRY PLEASEEEEEEEEEEEEEEEEEEEEEEEE

Answers

Answer:i would say 1

Step-by-step explanation:

375 because (8 x 30) + (.50(9) x 30) = (240) + (4.50 x 30) = 240 + 135 = 375

15. Which line is parallel to the line
y= x +7?
A. x - y=5
B. x+y=-2.
C. y=1
D. x=1

Answers

D
Because a one always go in front of an x when there not a number beside it!

if 3 xa 30, then
A 4-3
B. a=1
c a=30
D a=0.
E. a = 10

Answers

Answer:

the answer is 10

Step-by-step explanation:

3×A=30

it's like saying your 3 time.3×10=30

HELP ASAPPPPPP( i need it before 5:30)

Answers

Answer: I would say that x = 10 degrees

Step-by-step explanation:

The angle has a square, meaning it is a right angle. Right angles are 90 degrees, and you're given 80 degrees + x.

90 - 80 = 10

Hope this helps!

Answer:

10 degrees

Step-by-step explanation:

First off complementary angles require the sum of both adjacent angles to equal 90 degrees. You are already given the degrees of one of the adjacent angles so all you need to do is a geometric proof. 90 = 80 + x and subtract 80 from each side to get 10 = x.

PLSSSSS HELPPPPP 20 POINTSSS EASY MATHHHH

What 2-dimensional shapes do you see when you look at the Hexagonal Prism? Choose ALL that you see.

Squares

Rectangles

Triangles

Hexagons

Pentagons

Trapezoids

Answers

Answer:

All of the above EXCEPT pentagons

Step-by-step explanation:

Well I already explained in the comments and I am pretty sure you already answered the question but for the points :)

Good day!

What’s the answer to this?! ;)))

Answers

Answer:

A

Step-by-step explanation:

2pi radians = 2*pi*9 = 18 pi

That's the circumference. Now you want to take pi/6 part of the circumference.

pi / 6 part of the circumference / 2pi is what you are looking for.

(pi / 6 // 2 pi) * 18 pi = 1/12 * 18 pi = 3/2 pi

combine like terms 23x + 3y -5x​

Answers

Answer:

18x + 3y

Step-by-step explanation:

23x - 5x combine to 18x.  

Then the given expression becomes 18x + 3y.

Answer:

18x+3y

Step-by-step explanation:

Emerson swims 1/2 a miles every 1/4 of an hour. How far can she swim in one hour?

(Complex fractions)

Answers

Answer:

he swims 1/2 miles in 1/4 hours

multiply both them by 4

we get

2 miles in 1 hour

2 miles in one hour

Two of the angles in a triangle measure 81° and 86°. What is the measure of the third angle?

Answers

Answer:

13°

Step-by-step explanation:

The reason is because the sum of all the angles in a triangle add up to 180°, so to find the last angle you add 81°+86°=167°

Subtract: 180°-167°=13°

Hope this helped!

Stay safe and have a wonderful day/night!

Your friend Bella was here :)

please help with 13, giving brainliest

Answers

x=6, s=31, r=118, Q=31

Answer:

6

Step-by-step explanation:

m《 Q+ m《R +m《S =180 (Angles of a triangle add up to 180 degrees )

8x-17 +19x +4 +5x+1=180

32x-12=180

32x =180+12

32x =192

32X /32=192 /32

x=6

substitute x to angle Q, R and S

mQ=8 (6)-17

=31

mR=19 (6)+4

=118

mS=5 (6)+1

=31

HELP NOW PLEASE ANSWER COMPLETELY ACCURATE USE PAPER IF NECESSARY AND UPLOAD PHOTO TO RESPONSE I WILL GIVE BRAINLIEST PLEASE HELP

Answers

Answer:

a. y=2.50x+5

b. The y-intercept of the equation is y=5, or (0,5).

The 5 represents the "b" of the equation where she spent $5

c. The slope of the equation is 2.5 or 2/5.

the slope represents the "m" of the equation where she spent $2.50 per pound on tomatoes

d. y=mx+b

y=2.50(4)+5

y=10+5

y=$15

Step-by-step explanation:

d. y=mx+b

y=2.50(4)+5

y=10+5

y=$15

Find the circumference and the area of a circle with radius 5mm.
Write your answers in terms of π, and be sure to include the correct units in your answers.

Answers

Answer: 31.4 mm

Step-by-step explanation:

C=2πr

2(3.14)(5)

2(15.7)

31.4

a car is traveling 22 miles in 1/2 hr.. How much miles in an hour

Answers

Answer:

44

Step-by-step explanation:

1/2×2=1

22×2=44

The car is going 44 miles in 1 hour

44 miles per hour 22x2 because

Which value of x is a solution of the inequality?
x−(−3)≥7


x=−5

x=2

x=3.5

x=8

REAL ANSWERS ONLY PLEASE :)

Answers

Answer:

Okay so i am pretty sure it would be x=-5

Step-by-step explanation:

Answer:

B) x=8

Step-by-step explanation:

x − (−3) ≥7

Subtracting a negative is like adding

x + (3) ≥7

Subtract 3 from each side

x +3 −3 ≥7-3

x  ≥4

X must be greater than or equal to 4

The only value given that is greater than or equal to 4 is 8

Amount
Expense
Mortgage
Gasoline
$650
$150
$130
Groceries
Car Insurance
590
Clothes
$80
About what percent of Davon's monthly budget was spent on groceries?
F
12%
13%
H
896
J
1.18%

Answers

Answer:oline

$650

$150

$130

Groceries

Car Insurance

590

Clothes

$80oline

$650

$150

$130

Groceries

Car Insurance

590

Clothes

$80

About what percent of Davon's monthly budget w

About what percent of Davon's monthly budget w

Step-by-step explanation:

oline

$650

$150

$130

Groceries

Car Insurance

590

Clothes

$80

About what percent of Davon's monthly budget w

Answer:

the one i got is 12%

Step-by-step explanation:

but im not sure if its correct

need help with working perimeter and area please

Answers

Answer:

Area = 228 m²

Perimeter = 60 m

Step-by-step explanation:

The figure given shows a rectangle that has a cut triangular portion.

✔️Area of the figure = area of rectangle - area of the triangular cut portion

= L*W + ½*bh

Where,

L = 20 m

W = 12 m

b = 20 - (8 + 8) = 4 m

h = 6 m

Plug in the values

Area = 20*12 - ½*4*6

Area = 240 - 12

Area = 228 m²

✔️Perimeter = perimeter of rectangle - base of the triangular cut portion

= 2(L + W) - b

L = 20 m

W = 12 m

b = b = 20 - (8 + 8) = 4 m

Plug in the values

Perimeter = 2(20 + 12) - 4

= 2(32) - 4

= 64 - 4

Perimeter = 60 m

Carlos has six cards in a bag, numbered 2, 2, 3, 6, 8, and 9. What is the probability Carlos will randomly select a 2 or a 9

Answers

Answer:

50 percent

Step-by-step explanation:

100 percent divided by 6 (the amount of data) is 16 2/3.

Each number represents 16 2/3 percent.

3 of the numbers are either 2 or 9.

16 2/3x3=50.001

The final answer is a 50% probability.

I think

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