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
Andrei [34K]
3 years ago
7

The width of a rectangle is 7 inches shorter than its length. The area is 78 square inches. What are the dimensions of the recta

ngle?
Mathematics
1 answer:
harina [27]3 years ago
6 0

Answer:

Step-by-step explanation:W = L - 7

WL = 78

(L-7)L = 78

L^2 - 7L - 78 = 0

Factorize: (L-13)(L+6) = 0

L = 13 or -6

A length cannot be negative, so the length must be 13 miles.

The width is 13-7 = 6 miles.

You might be interested in
What is the answer to this please help!
Butoxors [25]

z+(-0.72)=-2.5\\\\\text{Step 1}:\ x+(-0.72)+(-0.72)=-2.5+(-0.72)\qquad\text{ERROR}\\\\CORRECT\ IS:\ x+(-0.72)-(-0.72)=-2.5-(-0.72)\\\\\text{Step 2}:\ x=-2.5+0.72\\\\\text{Step 3}:\ x=-1.78


Subtract, not add, -0.72 from both sides.

6 0
3 years ago
the hypotenuse of a right triangle is 15 cm and the shorter leg is 9cm find the length of the other leg
vladimir2022 [97]

Answer:


Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
2(b+3)=2 solve and check solution
Alexxandr [17]
2(b+3) = 2
2b + 6 = 2     ( -6 )
2b = -4         ( / 2)
b = -2 
5 0
3 years ago
What is the value of a in the equation 5a – 10b = 45, when b = 3?
LenKa [72]
5a - 10*3 = 45
5a - 30 = 45
5a = 45 + 30
5a = 75
a = 15
6 0
3 years ago
Read 2 more answers
Lynn plotted point G, 3 units to the left and 2 units above point F . Where did Lynn plot point G ?
bekas [8.4K]

Answer:

(2, 6)

Step-by-step explanation:

Point G has a coordinate of x = 5, and y = 4, that is (5, 4).

If Lynn plots point G, such that:

G is 3 units to the left of point F, the x-coordinate of point G = 5 - 3 = 2

G is 2 units above point F, the y-coordinate of point G = 4 + 2 = 6.

Therefore, Lynn plotted point G at x = 2, and y = 6. Which is (2, 6)

3 0
3 years ago
Other questions:
  • A shopper is standing on level ground 800 feet from the base of a 250 foot tall department store the shopper looks up and sees a
    15·1 answer
  • Suppose the allowable increase and decrease for an objective coefficient of a decision variable that has a current value of $50
    10·2 answers
  • What angle relationship best describes angles AFC and DFB?<br> WILL GIVE BRAINLIEST
    13·2 answers
  • A university law school accepts 2 out of every 5 applicants. If the school accepted 180 students, find how many applications the
    11·1 answer
  • Divya is organizing a training for two different seminars, one for teachers and one for mechanics. She has a total of 132 pens a
    10·1 answer
  • Help im confusted about remainder therom
    6·2 answers
  • Write the additive and multiplicative inverse of -1/2​
    11·2 answers
  • Hi, can you please solve that fast?​
    8·1 answer
  • Ron loan was 7,500.His interest rate is 8.5% for 4 years? What is the interest for the 4 years and the total payment at the end
    12·1 answer
  • Triangle P R Q is shown. The length of side P R is 5 n. The length of side R Q is 32 + n. Angles R P Q and P Q R are congruent.
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!