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
Sauron [17]
3 years ago
11

How to solve these equations

Mathematics
1 answer:
nlexa [21]3 years ago
6 0
All u have to do is plug in the values
68) -(4q) = -(4*-3) =-4*3= -12
70) 5P-6= (5*5)-6 =25-6= 19
72) 7q-7p= 7(-3)-7(5) = -21-35= -56
74)2q/(4p) = 2(-3)/4(5)= -6/20= -3/10
You might be interested in
The barometric pressure at sea level is 30 in of mercury when that on a mountain top is 29 in. If the specific weight of air is
Sever21 [200]

Answer:

i dont know math

Step-by-step explanation:

4 0
3 years ago
If you flip the graph of the exponential function f(x) = 2x over the x-axis, what
mamaluj [8]

Answer:

Step-by-step explanation:

G(x)=-2x

3 0
3 years ago
14 1/6 - 7 1/3 in simplest form <br> Help plz
Firdavs [7]

Answer: 7 -1/6

Step-by-step explanation:

Multiply the denominator and numerator (1/3) by 2 to get 2/6, then do 1/6-2/6, which gives you a negative. Then subtract your whole numbers (14-7) to get 7 -1/6

7 0
3 years ago
Read 2 more answers
Just this please helppp
Murrr4er [49]

The height of the <em>water</em> depth is h = 14 + 6 · sin (π · t/6 + π/2), where t is in hours, and the height of the Ferris wheel is h = 21 + 19 · sin (π · t/20 - π/2), where t is in seconds. Please see the image to see the figures.

<h3>How to derive equations for periodical changes in time</h3>

According to the two cases described in the statement, we have clear example of <em>sinusoidal</em> model for the height as a function of time. In this case, we can make use of the following equation:

h = a + A · sin (2π · t/T + B)     (1)

Where:

  • a - Initial position, in meters.
  • A - Amplitude, in meters.
  • t - Time, in hours or seconds.
  • T - Period, in hours or seconds.
  • B - Phase, in radians.

Now we proceed to derive the equations for each case:

Water depth (u = 20 m, l = 8 m, a = 14 m, T = 12 h):

A = (20 m - 8 m)/2

A = 6 m

a = 14 m

Phase

20 = 14 + 6 · sin B

6 = 6 · sin B

sin B = 1

B = π/2

h = 14 + 6 · sin (π · t/6 + π/2), where t is in hours.

Ferris wheel (u = 40 m, l = 2 m, a = 21 m, T = 40 s):

A = (40 m - 2 m)/2

A = 19 m

a = 21 m

Phase

2 = 21 + 19 · sin B

- 19 = 19 · sin B

sin B = - 1

B = - π/2

h = 21 + 19 · sin (π · t/20 - π/2), where t is in seconds.

Lastly, we proceed to graph each case in the figures attached below.

To learn more on sinusoidal models: brainly.com/question/12060967

#SPJ1

5 0
1 year ago
Find the domain and range of the function y = f(x) = r2.=Domain:help (inequalities)Range:help (inequalities)
Juliette [100K]

we have the function

y=f(x)=x^2

the domain is all real numbers -------> interval (-∞, +∞)

the vertex of the vertical parabola is the origin (0,0)

the parabola opens upward

the vertex is a minimum

so

the range is the interval [0, ∞)

6 0
1 year ago
Other questions:
  • One of the factors of 6x3 − 864x is<br><br> A. 4<br> B. X^2<br> C. X + 12<br> D. X - 8
    11·2 answers
  • Triangle whose base is 5.05 and height is 2.4
    6·1 answer
  • Write an equation of the line that passes through the given point, (1, 2).
    12·1 answer
  • find x if the distance between points L and M is 15 and point M is located in the first quadrant. L=(-6,2) M=(x,2)​
    11·1 answer
  • Factorise completely (2x+1)^2 -(x-1)^2
    13·1 answer
  • Help me out please will mark you BRAINLIST
    13·1 answer
  • HELP FAST PLS ILL LOVE U FOREVER &lt;3 Angle ABC is 47 degrees. What is the the measure of angle CBD?
    11·2 answers
  • Can someone please answer and explain thank you! I’ll mark brainliest
    12·2 answers
  • PLEASE HELP! Find the accumulated value of an investment of $17,000 at 6% compounded annually for 13 years. (Please show work th
    12·1 answer
  • Write the equation of the line with y-intercept 8 and x-intercept 4.
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!