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
ki77a [65]
3 years ago
9

What is negative 4/5 plus negative 3/8

Mathematics
2 answers:
xxMikexx [17]3 years ago
4 0
I hope this helps you

dalvyx [7]3 years ago
3 0
-(4/5)+(-3/8)
-(4/5)-(3/8)
Least common denominator of 8 and 5 is 40.
5 times what equals 40? Add the answer to the numerator of -(4/5) and the answer is -(32/40).
Do the same to the next fraction and the answer is -(15/40).
Add the two together and the answer is -(47/40).

You might be interested in
A 2-column table with 6 rows. The first column is labeled x with entries negative 3, negative 2, negative 1, 0, 1, 2. The second
ikadub [295]

The largest interval of x-values where the function is increasing is (-1, 1)

<h3>How to determine the largest increasing interval?</h3>

The table of values is added as an attachment

From the table, the function f(x) decreases from x = -3 to x = -1 and x = 1 and x = 2

So, we make use of the intervals

x = -1, 0 and 1

From the table,

From x = -1 to 0, the change is 3

From x =  0 to 1, the change is 3

From x =  -1 to 1, the change is 6

Using the above highlights, the largest increasing interval is (-1, 1)

Hence, the largest interval of x-values where the function is increasing is (-1, 1)

Read more about function interval at:

brainly.com/question/1399055

#SPJ1

7 0
2 years ago
...........................................,<br>​
irakobra [83]

Answer:

.____. whale there be no question here?

Step-by-step explanation:

.___. whale is always the answer

6 0
3 years ago
Determine the values of a,b and cfor the quadratic equation 3x2-5x+6=0
olga_2 [115]
<h2>Answer:  a = 3; b = - 5; c = 6</h2>

<h3>Step-by-step explanation:</h3>

ax² + bx + c ≡ 3x² - 5x + 6

∴  a = 3

   b = -5

   c = 6

6 0
3 years ago
A 10 ft ladder is being pulled away from a wall at a rate of 3 ft/sec. What is the rate of change in the area beneath the ladder
andriy [413]

Answer:

The rate of change in the area beneath the ladder is 5.25 ft²/s

Step-by-step explanation:

Area of triangle is given by;

A = \frac{1}{2}bh\\\\2A = bh\\\\take \ derivative  \ of \ both \ sides \ with \ respect  \ to \ "t"\\\\2\frac{dA}{dt} = h\frac{db}{dt} + b\frac{dh}{dt}\\\\divide \ through \ by \ 2\\\\\frac{dA}{dt} = (\frac{h}{2} )\frac{db}{dt} + (\frac{b}{2}) \frac{dh}{dt}

where;

b is the base of the triangle, given as 6 ft

h is the height of the triangle, determined  by applying Pythagoras theorem.

h² = 10² - 6²

h² = 100 - 36

h² = 64

h = √64

h = 8 ft

Determine the rate of change of the height;

h^2 + b^2 = 10^2\\\\h^2 + b^2 =100\\\\2h\frac{dh}{dt} + 2b\frac{db}{dt} =0\\\\h\frac{dh}{dt} + b\frac{db}{dt} =0\\\\h \frac{dh}{dt}  = -b\frac{db}{dt} \\\\\frac{dh}{dt}  = (\frac{-b}{h} )\frac{db}{dt}\\\\\frac{dh}{dt}  =(\frac{-6}{8})(3)\\\\\frac{dh}{dt}  = -\frac{9}{4} \ ft/s

Finally, determine the rate of change of area beneath the ladder;

\frac{dA}{dt} = (\frac{h}{2} )\frac{db}{dt} + (\frac{b}{2}) \frac{dh}{dt}\\\\\frac{dA}{dt} = (\frac{8}{2} )(3) + (\frac{6}{2}) (\frac{-9}{4})\\\\\frac{dA}{dt} = 12 - \frac{27}{4} \\\\\frac{dA}{dt} = \frac{48-27}{4}\\\\\frac{dA}{dt} = \frac{21}{4} \ ft^2/s\\\\\frac{dA}{dt} =  5.25 \ ft^2/s

Therefore, the rate of change in the area beneath the ladder is 5.25 ft²/s

5 0
3 years ago
A rectangular prism has a length of 212 m, a width of 4 m, and a height of 214 m. What is the volume of the prism? Enter your an
il63 [147K]
To answer the problem multiply the length, width, and height. 
212 x 4 x 214= 181,472
The volume is 181,472 m³
5 0
3 years ago
Read 2 more answers
Other questions:
  • HELP MATH QUESTION GEOMETRY
    10·1 answer
  • R on the set {1,2,3,4,5}, so that (x,y) is in R if 3 divides x+y.<br><br> List the elements of R.
    9·1 answer
  • A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jack picks a fruit at r
    13·2 answers
  • Plz help im so confused plzzzzzzzzzz
    10·1 answer
  • webassign If a snowball melts so that its surface area decreases at a rate of 6 cm2/min, find the rate at which the diameter dec
    5·1 answer
  • What are the zeros of the function?
    5·1 answer
  • Solve. <br><br> 4/6 = 24/a<br><br> What is a
    5·2 answers
  • The area of the rectangle is 5 times the triangle
    13·1 answer
  • If triangle ABC has the following angle measurements, what is the set-up to solve for x?
    13·2 answers
  • I took a picture Ethel problem
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!