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
hodyreva [135]
2 years ago
14

Subtract The Negative Numbers −7 − (−4)

Mathematics
2 answers:
kvv77 [185]2 years ago
8 0
-7-(-4)=3 because when you multiply a negative by a negative then answer becomes a positive then the problem becomes -7+4 which equals 3
love history [14]2 years ago
5 0
The answer to -7-(-4) is -3
You might be interested in
3. Will Question 1 be positive or negative?<br> (5 Points)<br> Positive<br> Negative
Ganezh [65]

Answer:

I need to know what question 1 is because we cant figure it out if you don't have 1)

Step-by-step explanation:

Postive

6 0
3 years ago
How would you solve a problem in time travel if you you departing at 1:10 PM EST and arriving at 8:29 PM PST.
In-s [12.5K]

Answer:

you would figure out the time in either pst or est and find out the time

Step-by-step explanation:

Example=EST

1:10 PM

PST:8:29 PM=11:29PM

SO time spent= 3 hours

5 0
3 years ago
Russell is eating at a restaurant. His total bill comes to $45.10. If Russell decides to leave a tip that is approximately 25% o
olga2289 [7]

Answer:

$11.28

Step-by-step explanation:

45.10 x 0.25

4 0
2 years ago
An assembly line with 10 tasks needs be designed. The total time for all tasks is 16 minutes. If you need to produce 30 units/ho
Sindrei [870]

Answer: 8 minimum work stations is what would be needed.

Step-by-step explanation:

The cycle time is computed as the operating time daily divided by the scheduled output.

It is important to note that the daily capacity of the operation layout is the operating time divided by the cycle time.

Therefore,

If you need to produce 30units/hour.

The average cycle time is as follow:

The average cycle time is the average time between the completions of units.

60/30= 2 average cycle time

=16/2

=8

8 work stations is the minimum number that would be needed.

It is important to know that in an assembly line balancing, the minimum number of work station is the ratio of the sum of all tasks time to the cycle time.

5 0
3 years ago
The velocity v of the flow of blood at a distance r from the central axis of an artery of radius R is given below, where k is th
andrew11 [14]
The average rate of blood flow is given by

\displaystyle\frac1{R-0}\int_0^Rv(r)\,\mathrm dr=\frac kR\int_0^R(R^2-r^2)\,\mathrm dr
=\dfrac kR\left(R^2r-\dfrac13r^3\right)\bigg|_{r=0}^{r=R}
=\dfrac kR\left(R^3-\dfrac13R^3\right)
=\dfrac{2kR^2}3
3 0
3 years ago
Other questions:
  • What is 520% written as a fraction
    13·1 answer
  • Need help with this one fast! Thanks.
    15·1 answer
  • Explain how knowing that 5 divided by 8 is 0.625 helps you write the decimal for 4 5/8
    13·1 answer
  • A line segment has<br> ____points.<br> Two<br> Zero<br> one<br> three
    5·1 answer
  • 10 years ago, Rapunzel had 19 centimeters of hair, now her hair is 20,193 centimeters long, how long has her hair grown? in scie
    12·1 answer
  • The polygons are similar. Find the value of X and Y. (PLEASE HELP⚠️⚠️)
    8·2 answers
  • A sign says that the price on all music equipment is 30% off the original price. you buy an electric guitar for the sale price o
    11·2 answers
  • A rectangular prism has a length of 13 feet, a height of 8 feet, and a width of 7 feet.
    14·2 answers
  • Solve this its not 48
    15·1 answer
  • The length of time it takes college students to find a parking spot in the library parking lot follows a normal distribution wit
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!