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
hjlf
3 years ago
10

Pls if anyone knows the answer with work included/steps that will be greatly appreciated :)

Mathematics
2 answers:
Leni [432]3 years ago
8 0

Step-by-step explanation:

3. The length of the rectangle is 3x and width is x+5

Now,

Area of rectangle=l×b

=3x(x+5)

=3x^2+15x(option d.)

4. 2/3x-4=20

2x/3=20+4

2x/3=24

2x=24×3

2x=72

x=72/2

x=36(option d.)

irina [24]3 years ago
6 0

Answer:

3.  3x^2 + 15x

4.  x=36

Step-by-step explanation:

The area of a rectangle is

A = l*w

A = (3x)*(x+5)

Distribute

3x^2 + 15x

2/3x - 4 = 20

Add 4 to each side

2/3x -4+4 = 20+4

2/3x = 24

Multiply each side by 3/2

2/3*3/2 =24*3/2

x = 12*3

x=36

You might be interested in
PLEASE HELP!!! POINTS!!!
Verdich [7]
Y+1=-1(x-3) is point slope formula
7 0
3 years ago
The marine green turtle has been known to swim 480 km (300 miles) in 10 days." How far, in kilometers, could a marine green turt
AnnyKZ [126]

Answer:

864

Step-by-step explanation:

You need to divide 480 by 10. Then multiply the answer which is 48 miles per day. Then take the 48 times 8 for the next 8 days. Then add the answer of that which is 384 and add it to 480.

Hope this helps.

7 0
3 years ago
Can someone plz help me? :(
azamat

Answer:

add 6 Cubes to the other side

Step-by-step explanation:

Since there are 3 cubes on one pan

and nine on the other you would need to

subtract 9-3

6 cubes to make them balance!

5 0
2 years ago
Latoya just bought a refrigerator for $931. She paid $139.80 in a down payment and will pay the rest in 4 equal installments. Ho
NARA [144]

Answer:

$197.80

Step-by-step explanation:

$931.00 - $139.80 = $791.20

$791.20 / 4 equal installments = $197.80

7 0
3 years ago
The population of a certain animal species you are studying decreases at a rate of 3.5% per year. Only 80 of the animals in the
balu736 [363]
The function:
f ( x ) = x * 0.965^t
where x is the initial amount and t is the number of the years
80 = x * 0.965^3
80 = x  *  0.89632
x = 80 : 0.89632 ≈ 89
Answer:
The initial amount of animals was 89.
3 0
4 years ago
Other questions:
  • I have hard prolems on subtract 4.000 -6.000
    13·1 answer
  • What is 5/3 + 11/4. please anwser cuz I to tired to do it.
    6·1 answer
  • Find the vertices and foci of the hyperbola with equation quantity x plus 5 squared divided by 36 minus the quantity of y plus 1
    7·2 answers
  • Guys can someone PLEASE help me. Which of the following statements uses the multiplicative identity? -8 + 1 = 1 + (-8) (-8)(-1)
    7·1 answer
  • Which is a better buy, 5 apples for $2.10, or 7 apples for $3.01
    15·1 answer
  • Write the following phrase as a variable expression. Use x to represent “a number” The sum of a number and fourteen The translat
    9·1 answer
  • A successful basketball player has a height of 6 feet 11 ​inches, or 211 cm. Based on statistics from a data​ set, his height co
    7·1 answer
  • Write an addition equation and multiplication equation that each have a solution of -5.
    15·2 answers
  • You roll a 20-sided die and a 6-sided die. What is the probability that the sum of the dice is less than 5?
    10·1 answer
  • Help pls 10 points <br> A x=56<br> B x=156<br> C x=166<br> D x=66
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!