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
pashok25 [27]
4 years ago
5

A rectangle has a width that is 7 centimeters less than its length, and its area is 330 square centimeters. What are

Mathematics
2 answers:
Shalnov [3]4 years ago
8 0

Answer:

w = 15 cm

l = 22 cm

Step-by-step explanation:

A = w·l

w = l - 7

A = (l - 7)·l

330 = l² - 7l

l² - 7l - 330 = 0

l² + 15l - 2l - 330 = 0

l(l + 15) - 22(l + 15) = 0

(l - 22)(l + 15) = 0

l - 22 = 0 => l = 22 cm

l + 15 = 0 => l = - 15 < 0 (f)

w = l - 7 = 22 - 7 => w = 15 cm

natali 33 [55]4 years ago
7 0

Answer:

22,15

Step-by-step explanation:

width = l-7

l*(l-7) =330

You might be interested in
Help I need help with this please
lana [24]

Answer:

help i need help with this please

7 0
3 years ago
due to delays, a company had to extend a project from 90 days to 265 days. what was the percentage increased in time to complete
Helga [31]

Answer:

30%

Step-by-step explanation:

90 dived by 265 = 0,339%

0,339 ×100= 33,96%

30% when round to the tenth

3 0
3 years ago
A-2=7 solve this question please​
Kazeer [188]
9 is the answer so it’s 9-2=7
5 0
3 years ago
Read 2 more answers
–m + 0.02 + 2.1m = –1.45 – 4.81m<br><br> 0.01<br><br> 0.1<br><br> 10<br><br> 100
marusya05 [52]
I believe that it is 0.1
8 0
3 years ago
Read 2 more answers
This is the question ​
zysi [14]

Answer:(1,1)

Step-by-step explanation:

Its asking where both linear and curve lines are being hit,

(fxg)(0)= 1,1

3 0
3 years ago
Other questions:
  • Simplify (7)(-6).<br><br> a) -42<br> b) -13<br> c)1<br> d)42
    14·2 answers
  • A group of hens laid the same number of eggs each day for a week. Kelly collected the eggs for six days. Write an expression to
    13·1 answer
  • What plus what equals -6 but when the two numbers are multiplied equals 8?
    13·1 answer
  • Two addends which make a sum of 12
    14·1 answer
  • Find the area of the kite please help and just don’t write down random answers
    6·1 answer
  • Evaluate the expression. r = , v = , w = v ⋅ w (5 points)
    12·1 answer
  • Which expression is equivalent to 6(4c + 5) + 7?
    15·1 answer
  • The regular price is $24.50. Your discount is15% off. What is the sale price of your shirt?
    14·1 answer
  • Factorize 2a^2+7a-15​
    13·2 answers
  • Divide using synthetic division (3x^2 + 4x - 5) +(x+4)
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!