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
Vika [28.1K]
3 years ago
10

The area of a rectangle is x2 - 2x - 15 and the length of the rectangle is x + 3. Find the width of the rectangle.

Mathematics
1 answer:
Alexandra [31]3 years ago
8 0
The area of the triangle could be determined by multiplying the length and the width. Since, we are given the area and the length, to find the width, you divide the area by the length:

w = A ÷ l
w = (x2 - 2x - 15) ÷ (x+3)

What do you have to multiply to (x+3) to yield x2 - 2x - 15? That would be x - 5. Since the sum of -5 and 3 = -2 (middle term) and the their product is -15 (last term).

Hence, the width is (x-5).
You might be interested in
Ft?
VARVARA [1.3K]

Answer:

15 5/8 ft^3

Step-by-step explanation:

Volume of a cube = l x b x h

Given the Length of sides is

2 1/2

Change 2 1/2 to an improper fraction.

It becomes 5/2

Volume = 5/2 x 5/2 x 5/2

Multiply through

= 125/8

= 15 5/8 ft^3

5 0
3 years ago
Help<br> plz (A) 4.00<br> (B) 0.25<br> (C) 1.00<br> (D)0.10
Mademuasel [1]

Answer:

B. 0.25

Step-by-step explanation:

The constant proportionality is 0.25 because the total cost is 0.25 or 1/4 of the number of tickets sold.

8 0
3 years ago
Read 2 more answers
The diagram below shows 5 identical bowls stacked one inside the other. The height of 1 bowl is 2 inches. The height of 5 bowls
padilas [110]

(Bowls, Height) (1, 2)  (5,5)

Slope is (5-2)/(5-1) = 3/4 inch
y = (3/4)x + b
(2) = (3/4)(1) + b
(2)-(3/4) = b

B=1.25.  Y= 0.75*x + 1.25. 

Part B
X is the number of bowls in the stack and Y is the corresponding height of the stack.

 

7 0
3 years ago
The system of equations can be solved using linear combination to eliminate one of the variables. 2x − y = −4→10x − 5y = −20 3x
tester [92]

Answer:

Option D is correct.

13x = 39

Step-by-step explanation:

The system of equation is given:

2x-y = -4             ....[1]

3x+5y = 59         .....[2]

Multiply equation [1] by 5 to both sides we have;

10x-5y = -20              .....[3]

Using elimination method:

Add [2] and [3] equations to eliminate y and solve for x, we have;

13x = 39

Divide both sides by 13 we get;

x = 3

Substitute x in [1] we have;

2(3)-y = -4

6-y = -4

Subtract 6 from both sides we have;

-y = -10

Divide both sides by -1 we have;

y = 10

⇒Solution: (3, 10)

Therefore, an equation can replace 3x+5y = 59 in the original system and still produce the same solution is,

13x = 39

6 0
3 years ago
Read 2 more answers
Solve: (-5) + (-18) <br><br>A -23<br><br>B- 13<br><br>C 13<br><br>D 23​
Lina20 [59]
The answer would be -23
8 0
3 years ago
Other questions:
  • Please help, i did it just dont want to get a bad grade for homework so need somone to double check.
    15·1 answer
  • 16 = –d + 6<br><br> A. 10<br> B. –10<br> C. –9<br> D. –15
    10·1 answer
  • The mass of a glass bottle is 250g. Its capacity is 500mL. What is the mass when it is full of water?
    9·2 answers
  • Solve |x - 1|&gt;4 a. {x|x&lt; -5 or x&gt; 5} b. {x|-3&lt; x&lt; 5} c. {x|x&lt; -3 or x&gt; 5}
    13·1 answer
  • Please help and show work!! Also please check work!!
    7·1 answer
  • In order from least to greatest -3/8 5-16 -0.65 2/4
    15·1 answer
  • !!!!!!!!!! PLEASE HELP IM SO FRUSTRATED
    13·2 answers
  • Please answer quick, thank you for your time.
    11·2 answers
  • A square originally starts with an area of 64 cm2.
    8·2 answers
  • Evaluate the following expression when a = 5 and b = 1. Then, plot the resulting value on the provided number line.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!