1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Fudgin [204]
2 years ago
9

Please help!! Urgent! Due soon! - A bedroom is initially squat-shaped with each side x feet long. The room is then expanded so t

hat the length of the room is increased by 3 feet, and the width increased by 4 feet. Choose the expression which represents how much bigger the area of the new bedroom is than the old bedroom.

Mathematics
1 answer:
Masja [62]2 years ago
5 0

Answer:

The second one; x²+7x+12

Step-by-step explanation:

So, since the beginning lengths of the square is x and x, the area of the square is x².

But then, you add 3 to one length, so that side is now (x+3), and then you add 4 to the width, so that is now (x+4).

Finally, you would multiply them together to get the equation you would use to find the new area.

For this, you would cross-multiply everything together; the x in the length by the x in the width, the x in the length by the 4 in the width, the 3 in the length by the x in the width, and then the 3 in the length by the 4 in the width. Now, all you have to do is add all of these together to get your answer.

Here's the work:

(x+3)(x+4)\\x^{2}+3x+4x+12\\x^{2}+7x+12

You might be interested in
What is 9 times 1.603
hoa [83]
Its<span>14.427 well  just do it on a paper you will see</span>
7 0
2 years ago
Read 2 more answers
Please help! 30 points and Brainliestttt :D ♥
weqwewe [10]

Ok so first 2.4 will have to be changed to 24 which means we multiplied it by ten making it 24/10 since it is tan it is opposite side/ adjacent side so your one of your legs will be 24 and one will be 10. Now we just plug that into the Pythagorean Theorem to find the hypotenuse and we get 26. The area is 24b10/2=120 the area is 120.

Leg a= 24

Leg b= 10

Hypotenuse=26

Area=120  

Ignore my awful handwriting but this is what it looks like labeled. I made each unit=2 just so it wouldn't be as large but I hope this helps you :)

4 0
3 years ago
For breakfast, Sara can choose from oatmeal, cereal, toast, or eggs.
elixir [45]
She has a 1 out of 4 chance to pick oatmeal. She must have ESP because those aren’t good odds. No, she is not correct.
4 0
3 years ago
Read 2 more answers
Elinda takes out a loan to purchase a car. The balance on her loan after x months is represented by the equation y = 10,000 – 25
Phoenix [80]
The answer will be 10 months till they're equal
8 0
3 years ago
Carson needs to purchase 5.6 meters if tape . If each roll contains 80 cm and cost $5 what if the total cost
SOVA2 [1]
Each roll contains 80cm which is the same as 0.8 meters. Because he needs 5.6 meters, divide 5.6 by 0.8 and you 7. The seven is the number of rolls of tape he will need to purchase. Each roll costs $5 so multiply 7 by 5 and you will see that Carson will need to spend $35 if he wants to get that much tape. Hope that helps!
8 0
3 years ago
Read 2 more answers
Other questions:
  • The line with equation y + 2x = 0 coincides with the terminal side of an angle θ in standard position in Quadrant IV .
    11·2 answers
  • Tori chang and kai chang sell cookies for Girl Scouts. Over the past 6 months they sold 110 boxes of cookies. Kai sold 4 times a
    5·2 answers
  • Which of the undefined terms is used to define the term parallel lines
    13·1 answer
  • 5 + 7 x 4 – (11 + 6)
    12·2 answers
  • A negative number divided by a negative number will result in a
    7·2 answers
  • A bicyde store costs $2400 per month to operate. The store pays an average of 570 per bike. The average selling price of each bi
    6·1 answer
  • Simplify. Your answer should contain only positive exponents.
    8·1 answer
  • Anybody know this answe cause I don’t
    6·1 answer
  • 640, 160, 40, 10,....
    12·1 answer
  • Annie borrowed $354 from her parents to buy a tablet. She plans to pay the money in 2 equal payments per month for the next 12 m
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!