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
Ilia_Sergeevich [38]
3 years ago
8

When seven times a number is deceased by 3, the result is 25. What is the number?

Mathematics
2 answers:
zepelin [54]3 years ago
6 0

7n-3= 25

7n-3(+3)= 25(+3)

(7n= 28)/7

n=4

fiasKO [112]3 years ago
4 0

seven times a number: 7x

is deceased by 3: -3

the result is 25: = 25

Equation:

7x - 3 = 25

Steps:

7x - 3 = 25

7x - 3 + 3 = 25 + 3

7x = 28

7x/7 = 28/7

x=4

You might be interested in
20 POINTS: Find the surface area of the figure. Round to the nearest hundredth if necessary.
stealth61 [152]
385.6 square feet is the answer
5 0
3 years ago
How to do 14-17.. or just give me the answer .​
r-ruslan [8.4K]

Answer: use socratic you take a picture of the problem and it does it.

5 0
3 years ago
A rectangular plot measures 20 ft. By 30ft. A 3ft wide side walk surrounds it. Find the area of the side walk
r-ruslan [8.4K]

Answer:

336 feet²

Step-by-step explanation:

If we have a rectangle that is 30 by 20 feet, that means the area of that rectangle would be 20 × 30 feet squared, which is 600 ft².

If there is a 3 feet sidewalk surrounding it, that means that the end of the sidewalk will extend 3 feet extra around each side of plot. Since there are two ends to one side, that means an extra six feet is added on to each dimension. Therefore, 36 × 26 are the dimensions of the sidewalk+plot. 36 × 26 = 936 ft².

To find the area of the sidewalk itself, we subtract 600 ft² from 936 ft². This gets us with 336 ft².

Hope this helped!

3 0
3 years ago
The area of a door is 3024 square inches. If
olasank [31]

Answer:

Lets take all factors into consideration first

The door is a rectangle and the area of a rectangle is length times width

Let the width be w

Let the length be l

Equation length × breadth = area

(w+48)w = 3024

w^2 + 48w = 3024

w^2 + 48w - 3024 = 0

w^2 + 84w - 36w - 3024 = 0

w(w + 84) -36 ( w + 84) = 0

(w + 84) (w - 36) = 0

w + 84 = 0 AND w - 36 =0

w = -84 and w = 36

Since width cannot be negative, the right answer is 36

How did I get 84 and 36? Well, I had to factorize 3024 and since 84 times 36 is 3024 and 84 minus 36 is 48, I chose them.

7 0
3 years ago
{x/x is an even whole number less than 7)
pentagon [3]

Answer:

yea

because if 1/2=2/4=4/8=8/16 see all are equal to the number of the amount of a whole number

7 0
3 years ago
Other questions:
  • Madeline is working to teach her 4-year-old daughter, eliza, how to count. she places 10 buttons in one row with very little spa
    6·1 answer
  • Which model represents the factors of x 2+9x+8
    7·1 answer
  • What is the transformations of f(x)=(x-2)^2-4
    14·1 answer
  • Which of the following equations have the correct notation? Check all that apply. (Btw, most of my questions are from Apex learn
    7·2 answers
  • Is -3 – -44 positive or negative?
    5·1 answer
  • Can someone help please ?
    7·2 answers
  • Ebony earned scores of 72 70, 81, 99, and 88 on five math tests. Determine her
    14·1 answer
  • X+3y=6 Solve for x and y
    6·2 answers
  • 33. Construct a truth table to show that the following argument is valid.
    8·1 answer
  • Find x A. 212√2 B. 212–√ C. 213√2 D. 7
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!