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
UNO [17]
3 years ago
5

What is the multiplicative inverse of − 5 /8

Mathematics
2 answers:
slamgirl [31]3 years ago
7 0

Answer:

-8/5 is the answer

irina1246 [14]3 years ago
3 0

Answer: b=-8/5

Step-by-step explanation:

Additive inverse,

5

8

Multiplicative inverse,

−

8

5

Explanation:

For a number

a

, it's multiplicative inverse

b

is such that

a

⋅

b

=

1

which is the multiplicative identity.

For a number

a

, it's additive inverse

c

would be such that

a

+

c

=

0

where

0

is additive identity.

Thus, for

a

=

−

5

8

It's additive inverse be

c

.

Then

−

5

8

+

c

=

0

Now, adding

5

8

to both sides,

c

=

5

8

.

Let the multiplicative inverse be

b

.

Then

a

⋅

b

=

1

⇒

−

5

8

⋅

b

=

1

Multiplying both sides with

−

8

5

You might be interested in
11499 round to the nearest thousand
Likurg_2 [28]
You forgot to put the decimal in there so i could round it 

4 0
3 years ago
Read 2 more answers
Doug, a student in this class, knows how to write programs in JAVA. Everyone who knows how to write programs in JAVA can get a h
In-s [12.5K]

Missing Part of Question

Explain which rules of inference are used in the above

Answer:

Universal instantiation, Modus ponens and Existential generalization

Step-by-step explanation:

Splitting the Statement into two, we have

"Doug knows how to write program is Java"

and

"Doug can get a high paying job"

Represent Doug with x. Then the statements is rewritten as

P(x) = "x knows how to write program is Java"

and

Q(x) = "x can get a high paying job"

In logic, A premise is a statement in an argument that provides reason or support for the conclusion.

So, Statement 1 can be written as

1. P(x) ---- Premise

Then, we have

2. Vx(P(x) --> Q(x)) -- Premise. This mean that P(x) for all values in the domain.

The universal instantiation of (2) leads to

3. P(Doug) --> Q(Doug)

The modus ponens of the above gives

4. Q(Doug)

The existential generalisation from above gives

5. ƎxQ(x)

Which means someone in this class can get a high paying job.

PS:

Universal Instantiation is a valid rule of inference from a truth about each member of a class of individuals to the truth about a particular individual of that class; it is represented by VxP(x).

Existential Generalisation is a valid rule of inference that allows one to move from a specific statement, or one instance, to a quantified generalized statement, or existential proposition.

It is represented as ƎxP(x)

4 0
3 years ago
True or False
kifflom [539]

Answer:

  1. true
  2. true
  3. false
  4. false

Step-by-step explanation:

One characteristic of a reflection that is useful for answering this question is that it always reverses the clockwise/counterclockwise orientation of a figure. Rotation and translation have no effect on that orientation.

__

1. translation by reflection

Reflection across two parallel lines has the net effect of translating a figure twice the distance between the parallel lines. So, one way to effect a translation using two lines of reflection is to draw one of them through the perpendicular bisector of a point and its translated image. Then the other line would be drawn parallel to the first through the image point.

True: translation can be replaced by two reflections

__

2. translation by rotation

A single point can be moved from one set of coordinates to another by rotating around any point on the perpendicular bisector of the original and its image. To "undo" the change in direction of other points in the image, the image can be rotated an equal angle in the reverse direction about the point that is in its proper place.

That is, if we rotate figure ABC an amount of X° about a point on the perpendicular bisector of AA', so that A ends up at A', then the translation can be finished by rotating that figure by -X° about point A'.

The simplest case is an initial rotation of 180° about the midpoint of AA', followed by another rotation of 180° about A'.

True: translation can be replaced by two rotations

__

3. rotation by reflection

As discussed above, reflection changes orientation and rotation does not.

However, a rotation can be replaced by <em>two</em> reflections. The rotation angle is equal to twice the angle between the lines of reflection. The point where the lines of reflection meet is the center of rotation.

False: rotation can be replaced by reflection

__

4. reflection by rotation and translation

As discussed above, reflection changes orientation, but rotation and translation do not.

False: reflection can be replaced by rotation and translation

6 0
3 years ago
Mr.varela bought a block of fudge that weighed 3/4 of a pound. He cut the fudge into 2 equal pieces. What was the weight of each
OleMash [197]
To do this, multiply 3/4 by 1/2 and you end up with 3/8 lb. or 0.375 lb.
6 0
3 years ago
Dialyn scored 2.5 points higher than Gina at a gymnastics event. Select the values that could represent each student's gymnastic
bija089 [108]
Answer are a, c and d
5 0
3 years ago
Other questions:
  • How much material is left as a fraction
    7·1 answer
  • The graph below represents which system of inequalities?
    10·1 answer
  • State any restrictions on the variables.
    13·1 answer
  • What is the fifth term of the sequence whose first term is 10 and whose common ratio is 1/2?
    9·2 answers
  • Part B: Plot point C(2,7). If M is the midpoint of CD, what are the<br> coordinates of D?
    13·1 answer
  • Berto has $12 to put gas in his car. If gas costs $3.75 per gallon, which ordered pair relating number of gallons of
    12·2 answers
  • What is the answer for this math problem 2 k -13k + c
    11·1 answer
  • If 25 cm' of a quantity of marbles has a mass of 45 g, calculate the density of the marble in kg/m​
    15·1 answer
  • Please help!
    8·1 answer
  • 2/3 divided by 1/4 ill give brainliest
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!