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
Mama L [17]
3 years ago
9

What is 30 less than 4 times a number is equal to 14

Mathematics
1 answer:
Genrish500 [490]3 years ago
4 0
The answer is x=11
4x-30=14
You add 30 to each side=4x=44
Then you divide 44 by 4 which=11
You might be interested in
Obtain the required confidence interval for the difference between two population proportions. Assume that independent simple ra
Thepotemich [5.8K]

Answer:

The 95% confidence interval for the difference between the proportions of women and men who follow a regular exercise program = ( -0.293, 0.023)

Step-by-step explanation:

The formula for confidence interval for the difference between the proportions is given as:

p1 - p2 ± z × √p1 (1 - p1)/n1 + p2(1 - p2)/n2

From the question

We have two groups.

Group 1 = For women

A survey found that 37 of 74 randomly selected women

p1 = x/n1

n1 = 74

x1 = 37

p1 = 37/74

p1 = 0.5

Group 2 = For Men

A survey found out that 47 of 74 randomly selected men follow a regular exercise program

p2 = x/n1

n2= 74

x2 = 47

p2 = 47/74

p2 = 0.6351351351 ≈ 0.635

z = z score for 95% Confidence Interval = 1.96

The confidence interval for the difference between the proportions is given as:

p1 - p2 ± z × √p1 (1 - p1)/n1 + p2(1 - p2)/n2

0.5 - 0.635 ± 1.96 × √0.5 (1 - 0.5)/74 + 0.635(1 - 0.635)/74

-0.135 ± 1.96 × √(0.5 × 0.5)/74 + (0.635× 0.365)/74

-0.135 ± 1.96 × 0.08068750209663572

-0.135 ± 0.158147504109406

Hence:

= -0.135 - 0.158147504109406

= -0.2931475041

Approximately = -0.293

= -0.135 + 0.158147504109406

= 0.0231475041

Approximately = 0.023

Therefore, the 95% confidence interval for the difference between the proportions of women and men who follow a regular exercise program = ( -0.293, 0.023)

6 0
3 years ago
Y= 3x +5
Over [174]

Answer:

a) y = 35

b) y = -25

c) Option D

3 0
2 years ago
Read 2 more answers
101/25 converted to a mixed number
mamaluj [8]
Hi 
Let me help you out 

101/25 is a in proper fraction. 
To change the in proper fraction to a proper fraction you have to see which number is close to 101 by multiplying numbers to 25. You can also divide 101 by 25 which is 4 remainder 1. 
25*4=100
100 is close to 101

the answer would be 4&<span>1/25</span> 

if you like my answer and think it is helpful then please mark mine as brainliest 
answer thank you 

3 0
3 years ago
Answer please show steps please
erik [133]

Answer:

25 girls

Step-by-step explanation:

Let

x denote number of boys

and

y denote number of girls

According to the statement that total 45 people came,

x+y = 45      => Eqn 1

And total paid amount was 175

So,

5x + 3y = 175    => Eqn 2

For solving, We will use the substitution method

So, from eqn 1

x = 45-y

Putting value of x in eqn 2

5(45-y) +3y = 175

225 - 5y + 3y = 175

-2y+225 = 175

-2y = 175-225

-2y = -50

2y = 50

y = 25

Putting y =25 in eqn 1

x+25 = 45

x = 45 - 25

x = 20

As y= 25

So, 25 girls came to the dance ..

6 0
3 years ago
Write the equation of the line parallel to y=3x-2 that passes through (3, 2) in point-slope form
AleksandrR [38]
Substitute the x and y values from (3,2).

Formula: y=mx+b

2= 3(3)+b
2-9= -7

y=3x-7
5 0
3 years ago
Other questions:
  • You earn $72 for every 8 hours you spend shoveling snow. You earn $60 for every 5 hours you spend babysitting. For every 3 hours
    13·2 answers
  • Work about the mid-points of these line segments. GH: G(-3,-4) and H (0,2)
    8·1 answer
  • Find the mistake. How would you solve this problem correctly? plz answer btw those a minus this is due at 11: 59
    12·1 answer
  • What is the value of x? x−16=8 Enter your answer in the box in simplest form.
    14·2 answers
  • Please help me to solve
    6·1 answer
  • Put theses in order of size smallest first 0.25 23% 2 0ver 10
    15·1 answer
  • Find the solution set for -2 y - 1 ≤ 7.
    8·1 answer
  • If bananas are $0.50 each, how much would it cost for 7 bananas?
    8·2 answers
  • Look at the chartttttttttt
    11·1 answer
  • Example: Find the mean, median, mode and range of the following data set:
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!