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
cupoosta [38]
3 years ago
9

Quadruple of a number is decreased by twenty gives four.answer it pls pls​

Mathematics
1 answer:
faust18 [17]3 years ago
4 0

Answer:

4x - 20 = 4

Step-by-step explanation:

Let the missing number be x

Quadruple means 4 times

So According to the question,

4x - 20 = 4 is your answer

Hope this helps

You might be interested in
M <2=x+94 what does x equal
Shtirlitz [24]
This is as far as I could get X=-94+m<2
6 0
3 years ago
The scale from a playground to a scale drawing of the playground is 4 meters per centimeter.The length of the drawing of the pla
Scilla [17]

Answer:

322.24 meters

Step-by-step explanation:

The scale is 4 meter per centimeter. Multiply 5.3 by 4 to get 21.2 meters. Multiply 5.3 by 4 to get 15.2 meters. Multiply 21.2 by 15.2 to get 322.24

6 0
2 years ago
Solve <br> (3x) 9 = (4x) 5
Leto [7]

Answer:

4 = 1x

Step-by-step explanation:

(3x)9 = (4x)5

9 = (1x) 5

4 = 1x

6 0
3 years ago
In a recently administered iq test, the scores were distributed normally, with mean 100 and standard deviation 15. what proporti
iragen [17]

To solve for proportion we make use of the z statistic. The procedure is to solve for the value of the z score and then locate for the proportion using the standard distribution tables. The formula for z score is:

z = (X – μ) / σ

where X is the sample value, μ is the mean value and σ is the standard deviation

 

when X = 70

z1 = (70 – 100) / 15 = -2

Using the standard distribution tables, proportion is P1 = 0.0228

 

when X = 130

z2 = (130 – 100) /15 = 2

Using the standard distribution tables, proportion is P2 = 0.9772

 

Therefore the proportion between X of 70 and 130 is:

P (70<X<130) = P2 – P1

P (70<X<130) = 0.9772 - 0.0228

P (70<X<130) = 0.9544

 

Therefore 0.9544 or 95.44% of the test takers scored between 70 and 130.

6 0
3 years ago
Which is the graph of the function f(x) = x2 + 2x + 3?
blagie [28]
Dy/dx=2x+2

So velocity will be zero when 2x+2=0, x=-1

Since d2y/dx2=2, it has a constant positive acceleration of 2, so that when dy/dx=0 it is at an absolute minimum value for f(x), which is also the vertex.

y(-1)=1-2+3=2

So the vertex is at (-1,2), which is an absolute minimum so the parabola opens upwards.

And by symmetry we can say that f(0)=f(-2)=3 so you have another two points that you can see (-2,3) and (0,3)
5 0
3 years ago
Read 2 more answers
Other questions:
  • HELP please
    6·1 answer
  • Madonna and Bruce Springsteen had the two top-grossing concert tours for 2012, together generating about $427 million in ticket
    9·1 answer
  • A graduated cylinder is filled with 36 cm 3 of liquid the liquid is poured into a different cylinder that has a radius of 3cm ,
    5·1 answer
  • The population of a city has increased by 15% since it was last measured. If the current population is 64,400 what was the previ
    7·2 answers
  • I am attaching the question
    5·1 answer
  • -30=5(x+1) x=? Solve for X
    7·1 answer
  • Pleasee help with these questions
    9·1 answer
  • What’s the measure of STX?
    13·1 answer
  • Helpppp 2x-1&gt;5 and 3x-5&lt;19
    12·1 answer
  • 1/2a+2/3b=50 when b=30?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!