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
swat32
3 years ago
8

PLEASE ANSWER QUICK HELLLPP

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
3 0
7(n+4)= 21
(n+4 )=3
n= -1
You might be interested in
297-325 over 297<br> how can i turn that fraction into a percentage?
Rainbow [258]

Answer:

Step-by-step explanation:

by moving the decimal 2 times to the right

5 0
2 years ago
Martina read that approximately 10% of all people are left-handed. She wants to design a simulation to approximate the probabili
marta [7]

Answer:

20

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
8. Bob bought a pair of tennis shoes on sale
mr_godi [17]

Answer:

20%

Step-by-step explanation:

So, I would set this up as a proportion-

72          x

90        100

Cross multiply-

100 x 72 = 7200

Divide-

7200/90 = 80

Subtract-

100 - 80 = 20

So, it is a 20% decrease

4 0
3 years ago
Which ordered pair makes both inequalities true<br> Y&lt;-x+1<br> Y&gt;x
goldfiish [28.3K]

Answer:

x = -1  ; y = 1

Step-by-step explanation:

x = -1

y = 1

Plug in the corresponding numbers to the corresponding variables:

y < -x + 1

(1) < -(-1) + 1

1 < 1 + 1

1 < 2 (True)

y > x

1 > -1 (True).

~

7 0
3 years ago
Solve: sin2x cosx + cos 2x sin x = √3/2
ludmilkaskok [199]
We are given with the expression or equation s<span>in2x cosx + cos 2x sin x = √3/2. The expression can be patterned from the trigonometric identity sin (a + b) = sin a cos B + cos A sin B. In this case, the expression is equal to sin 3x = sqrt 3 /2. using arc sign, x is equal to pi/9 </span>
5 0
3 years ago
Read 2 more answers
Other questions:
  • What are the conjugates of 4x^2+ 8x + 5=0
    9·1 answer
  • Which point would represent the value of v—72 Include the letter of the answer and then justify your response using complete sen
    14·1 answer
  • What is the slope of the line that passes through (2,-3) , (-2,5)
    9·1 answer
  • X - 7.57=5.28 solve for x
    9·2 answers
  • What is the slope of the line
    15·1 answer
  • Convert the cartesian equations to a polar equation<br> y=4x^2
    9·1 answer
  • Solve for x in the triangle. round your answer to the nearest tenth
    7·1 answer
  • Please help with these two!!!
    14·1 answer
  • 36 into the ratio 5:4
    9·2 answers
  • Solve the simultaneous equations<br>8x – 3y = 30<br>3x + y = 7​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!