BRAINLIST!!! The area of Alex's room is 168 square feet. If his room is a rectangle and one side is 12 feet, how long is the other side.

Write an equation to find the missing length of Alex's room. Let x = missing length in feet

Solve to find the missing length of Alex's room

Answers

Answer 1

Answer:

the missing length is 14 feet.

Step-by-step explanation:

a = L × W

168ft² = 12 × W     - divide both sides of the equation by 12

                             - 168 ÷ 12 = 14

168ft² = 12 × 14


Related Questions

I NEED HELP WITH THIS ASAP
[tex]( {y}^{2} - 2y - 29) \div (y - 6)[/tex]

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This should be correct

If a jacket costs $65.49 and it will be marked up 30%, what is the selling price?

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$85.37 I think?
I’m not 100% so good luck

775 decreased by 1.8%

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Answer:

761.05

Step-by-step explanation:

Answer:

761.05

Step-by-step explanation:

You're welcome.

please please help me

Answers

X= 78
X= 42
Im not sure

Answer:

Step-by-step explanation:

1]Add 6 to both sides.

x/3=20+6

2] x/3=26

3]Multiply both sides by 3.

 x= 26*3

 x= 78

-2(-6x+2u-3)
-3x-6(-6y+6x)-2y
-3(w+6)+5w

PLEAZE SIMPLIFY THEESE FOR ME ASAP please i need this really bad :(
pleze help i will like it so you can get more pints plzzzzzzzz :(

Answers

Answer:

12x-4u+6-3x+36y-36x-2y-3w-18+5w= -27x-4u-12+34y+2w

I can't belive i am answering this instead of doing my homework

Step-by-step explanation:

Complete the table below to find solutions to the linear equation 3x+y=−21.

Answers

x = -7 - y/3]

hope this helped!

Answer:

Step-by-step explanation:

1

-2

-5

Four notebooks cost $5.60. Antonio needs 5 notebooks. How much will 5 notebooks cost

Answers

Answer:

$7.00

Step-by-step explanation:

Answer:

$7.00

Step-by-step explanation:

$5.60/4 = $1.40

$1.40 x 5 = $7.00

Have a nice day

how many solutions? 2a + 4 = a + a + 4

Answers

a+a+4 = 2a + 4
so,
2a + 4 = 2a + 4
this means that the equation has infinite amount of solutions.

Massa says that 540 = 6 = 9. Is he right? Explain how you know using an equation.

Answers

Answer:

i think you have written wrong equation

Step-by-step explanation:

Find the value of x.
2x
120°
700
A. 55
B. 35
C. 25
D. 10

Answers

Answer:

for this question you need to take the 12p and 700 and add then dived by 2x which then gives you your answer

The person on the top is correct

Rewrite each angle in radian measure as a multiple of π· 30°

Answers

Answer:

[tex]\frac{\pi}{6}[/tex] radian

Step-by-step explanation:

We are given that an angle in degrees

[tex]\theta=30^{\circ}[/tex]

We have to find the angle in radian measure as a multiple of π

To find the value of 30 degree in radian we will use the radian measure formula

We know that

Radian measure=[tex]\frac{\pi}{180}\times degree\;measure[/tex]

Using the formula

Radian measure of 30 degree=[tex]\frac{\pi}{180}\times 30[/tex]

Radian measure of 30 degree=[tex]\frac{\pi}{6}[/tex] radian

Hence, the radian measure of 30 degree is given by

[tex]\frac{\pi}{6}[/tex] radian

Find the volume show work

Answers

10in x 13 in x 13 in = 1690 cm squarws

Identify whether the expressions are equivalent or not equivalent: 7y – 15 + 2y and 9y - 15

Answers

Answer:

Yes, the two expressions are equivalent

The given expression 7y - 15 + 2y and   9y - 15 are equivalent.  

What is equivalent expression?

Two algebraic expressions are said to be equivalent if their values obtained by substituting the values of the variables are same, even they look different.

According to the given question.

We have two expressions

[tex]7y - 15 + 2y ...(i)[/tex]

And, [tex]9y - 15 ...(ii)[/tex]

The expression (i) can be written as

[tex]7y - 15 + 2y[/tex]

[tex]=(7y + 2y)-15[/tex]            (adding the like terms)

[tex]= 9y -15[/tex]    

Hence, the given expression 7y - 15 + 2y and   9y - 15 are equivalent.    

Find out more information about equivalent expression here:

https://brainly.com/question/27733205

                                               

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Jse the graph for Exercises 1-3.
1. Quadrilateral J is reflected across the x-axis.
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The image of reflection is -y
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2. Which two quadrilaterals are reflections of each
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Answer Q#3 here
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4. across the x-axis
5. across the y-axis
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Notes 19

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Answers

Answer:

there's is possible your head will crack there so don't try it at home for try it in home ok stay safe don't hurt ur heads

Step-by-step explanation:

see such a good answer

f(x)=x+5
X=10
What is f(x)= ?

Answers

15. you are basically doing 10+5. hope this helps :))

Leslie's lunch bill is $13.95. She wants to leave a tip that is 15% of the bill. How much tip should she leave?

Answers

Answer:

She would leave a tip of 2.0925 ($2.09)

Step-by-step explanation:

An uses they equation y= 8.25x to calculate the total cost y in dollars for x posters. How much did she spend on 6 posters?

Answers

well if the equation is y=8.25x it means that you would multiply 8.25 x 6 to get the total cost of the posters.

8.25 x 6 = 49.50

49.50 would be the total cost! I hope this helps!

-6p-3=9 what does p equal

Answers

Answer:

-2

Explanation:

-6 x -2 = 12

12 - 3 = 9

Answer:

p=-2

Step-by-step explanation:

Move the -3 to the other side by adding 3 on both sides:

-6p-3+3=9+3

The equation now looks like this:

-6p=12

Divide -6 on both sides:

-6p/-6=12/-6

The equation now looks like this:

p=-2 which is the answer

Hope this helps!

Madison wants to earn at least $90 at her sales job. She makes $40 per week plus $5 per sale. Which inequality would represent the number of sales Madison must make.

Answers

Answer:

1232342

Step-by-step explanation:

1233435

439x2 ( Use only algorithm. )

Answers

878 ?????????????????

Answer:

878

Step-by-step explanation:

439 x 2

2x9= 18

2x30=60

2x400=800

Then add

800+60+18

60+18=78

800+78= 878

Graph the line with a slope of 2/3 that contains the point (−3,−5)

Answers

Answer:

Step-by-step explanation:

So for the given information, it would be easiest to use slope-intercept form, which is y=mx + b, where m is the slope and b is the y-intercept.

We can plug in 2/3 for the slope, because we are given that.

y=2/3x + b.

To find the y-intercept, plug in the given point for x and y and solve for b.

-5 = 2/3 · (-3) + b

-5 = -2 + b

b = -3

So now we have the complete equation of the line.

y = 2/3x -3

Now to graphing.

We can put the y-intercept, (0, -3), and the given point, (-3, -5) on a graph.

Is y=2/3x+5 proportional or non-proportional

Answers

9514 1404 393

Answer:

  non-proportional

Step-by-step explanation:

The "+5" means that y is not zero when x is zero. A proportional relation has no added constant. It is of the form ...

  y = kx

The relation is non-proportional.

88 is a solution to (1/8) x =11 because if x = 88 then the equation (1/8) x = 11 is true.

Answers

Answer:

True

Step-by-step explanation:

To check to see if the statement given is true we need to substitute x with 88 and solve.

[tex](1/8)x=11[/tex]

Substitute 'x' for 88.

[tex](1/8)88=11\\\\\boxed{11=11}[/tex]

88 is a solution to the equation, therefore the statement is true.

Hope this helps.

Can someone do this?

Answers

Yes, no, and yes are the answers respectively.

PLEASE HELPPPP!!! Find the measure of angle A

Answers

Answer:  40

========================================================

Explanation:

The three angles of this triangle are

20x9026x-2

The square angle marker represents 90 degrees. It's also referred to as "a right angle".

As a rule, the three angles of any triangle always add to 180. Let's use this fact to solve for x

(angle1)+(angle2)+(angle3) = 180

(20x)+(90)+(26x-2) = 180

(20x+26x) + (90-2) = 180

46x+88 = 180

46x = 180 - 88 .... subtract 88 from both sides

46x = 92

x = 92/46 ........ divide both sides by 46

x = 2

Now that we know what x is, we can find angle A

angle A = 20x = 20*2 = 40 degrees

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

As extra info, we could also find the other angle with this x value

26x - 2 = 26*2 - 2 = 52 - 2 = 50 degrees

The three angles of the triangle are: 40, 50, 90 which add to 40+50+90 = 180. This helps confirm our answer.

In the figure, name the intersection of lines m and n.
B
m
H
K
j
DC
B
K
A

Answers

b and dc are the right answers

arthur is building a rectangular sand box for his son ther area of the sandbox is 17 23/32 square feet if the length of the sand box is 3 3/8 feet what is the width of the sand box​

Answers

Answer:

i think its uh carrot

Step-by-step explanation:

The answer is 5.25 ft

Solve the system by substitution.
y = 5x
y = 9x + 4

Answers

Answer:

(-1, -5)

Step-by-step explanation:

[tex]\left \{ {{y=5x} \atop {y=9x+4}} \right.[/tex]

1. We must calculate x, for that we must substitute y, so we have:

5x=9x+4

2. Now we solve the equation.

5x-9x=4

-4x=4

x=-1

3. Now we must calculate y

y=5x

y=5(-1)

y=-5

And the answer is (-1, -5)

good at math? & can help!! please :))

Answers

Answer:

D

Step-by-step explanation:

I NEED POINTS AHHHHHHHHHH LOL

Mrs. Brown uses
1/4 package of graph paper for each class. She needs 1 1/2 packages to serve all of her
classes. How many classes does Mrs. Brown teach?

Answers

Answer:

6

Step-by-step explain

1.5 divide by .25 = 6

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