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
astra-53 [7]
3 years ago
13

− 1 ​ + −81 ​ − 16 ​ − −1 ​

Mathematics
1 answer:
Nataliya [291]3 years ago
3 0

Answer: it is -97

Step-by-step explanation:

because you break it down

-1-81-16+1 ( and the -- turns into a + )

( get rid of the + )

You might be interested in
Help me please 2 minutes for class to start
aleksandr82 [10.1K]

From c=b-5

Independent variable is b, the number of cookies in the jar before your visit

Dependent variable is c, the number of cookies remaining in jar

Any questions please just ask. Thanks!

6 0
3 years ago
What is the value of n in the equation 1/2(n – 4) – 3 = 3 – (2n + 3)?
Travka [436]
Distribute 1/2 to <span>(n – 4):

</span>\frac{1}{2} \times n = \frac{1}{2}n
\frac{1}{2} \times -4 = -2
<span>
Subtract (2n + 3):

</span>- (2n + 3) = -2n -3
<span>
Your equation should now look like this:

</span>\frac{1}{2}n - 2 - 3 = 3 - 2n - 3
<span>
Combine like terms on both sides:

</span>-2 - 3 = -5
3 - 3 = 0
\frac{1}{2}n - 5 = -2n
<span>
Subtract 1/2n from both sides:

</span>-5 = -\frac{5}{2}n
<span>
Divide both sides by -5/2 to get n by itself:

</span>n = 2
<span>
The value of n is 2.</span>
8 0
3 years ago
Read 2 more answers
The London theater offers child tickets at 10$each and adult tickets at 20$ each.Mrs burham buys 34 tickets at a total cost of 5
kirill115 [55]

Answer:

A+C=34

10C+20A=570

4 0
3 years ago
Help please!! Don’t understand! 6th grade math
Agata [3.3K]

Answer:

4. is 6.6

Step-by-step explanation:

I hope this helps

3 0
3 years ago
The annual 2-mile fun-run is a traditional fund-raising event to support local arts and sciences activities. It is known that th
victus00 [196]

Answer: 0.0228

Step-by-step explanation:

Given : The  mean and the standard deviation of finish times (in minutes) for this event are respectively as :-

\mu=30\\\\\sigma=5.5

If the distribution of finish times is approximately bell-shaped and symmetric, then it must be normally distributed.

Let X be the random variable that represents the finish times for this event.

z score : z=\dfrac{x-\mu}{\sigma}

z=\dfrac{19-30}{5.5}=-2

Now, the probability of runners who finish in under 19 minutes by using standard normal distribution table :-

P(X

Hence, the approximate proportion of runners who finish in under 19 minutes = 0.0228

8 0
2 years ago
Other questions:
  • How do you divide by two digit divisor
    12·1 answer
  • Find two consecutive whole numbers that 74 lies between.
    12·1 answer
  • What is the probability that a student chooses drama as an elective
    13·1 answer
  • When multiplying exponent, you subtract the exponents <br> True or false?
    9·1 answer
  • Hey! 50 points for the taking...
    8·2 answers
  • What is the next term for 1/2 1/4 1/81/16​
    13·1 answer
  • Which expression is equivalent to (4x^3)(2x)^-4
    7·2 answers
  • Please simplify this equation
    13·2 answers
  • Im doing a math test and i need help please
    7·2 answers
  • Add the following complex numbers:
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!