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
IgorLugansk [536]
3 years ago
7

Determine The missing number in the equation 3 + 9= +4

Mathematics
1 answer:
Bad White [126]3 years ago
4 0

3 + 9 = 12/3 = positive 4 the missing number in the equation is 12/3.

You might be interested in
Isabelle and her parents plan to share the cost of her college education. The annual tuition cost for the college she plans to a
oksano4ka [1.4K]

Answer:

7392

Step-by-step explanation:

just divide 5544÷.75 on a calculator however you want to do it than you will get 7392

5 0
3 years ago
Grasshoppers are distributed at random in a large field according to a Poisson process with parameter a 5 2 per square yard. How
HACTEHA [7]

In this question, the Poisson distribution is used.

Poisson distribution:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

Parameter of 5.2 per square yard:

This means that \mu = 5.2r, in which r is the radius.

How large should the radius R of a circular sampling region be taken so that the probability of finding at least one in the region equals 0.99?

We want:

P(X \geq 1) = 1 - P(X = 0) = 0.99

Thus:

P(X = 0) = 1 - 0.99 = 0.01

We have that:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-5.2r}*(5.2r)^{0}}{(0)!} = e^{-5.2r}

Then

e^{-5.2r} = 0.01

\ln{e^{-5.2r}} = \ln{0.01}

-5.2r = \ln{0.01}

r = -\frac{\ln{0.01}}{5.2}

r = 0.89

Thus, the radius should be of at least 0.89.

Another example of a Poisson distribution is found at brainly.com/question/24098004

3 0
3 years ago
Which expression shows how 6 • 45 can be rewritten using the distributive property?
tatuchka [14]
6*45=270 is the first step you should do to get the answer you are looking for. The next thing I would do is go to all the answers to see which one comes out the same way. The first one comes to be 246, the next one is 54, the next is 270 and the last one is 220. 6*40+6*5 is the correct answer.

4 0
3 years ago
Carla's retirement party will cost $15 if she invites 3 guests. If there are 4 guests, how much will Carla's retirement party co
LekaFEV [45]

Answer:

$20

Step-by-step explanation:

15/3=5 which means that for every guest attending Carla's retirement party it must cost her $5 each.

Therefore if 4 guests come to the party it must mean 4(5) which is 20.

Hence $20

7 0
3 years ago
Read 2 more answers
Multiplying mixed numbers and whole numbers 1 1/2 x 2/1 =
Nezavi [6.7K]

Answer: 3

Step-by-step explanation:

1. Convert the mixed number to fraction:

- Multiply the denominator of the fraction by the whole number.

- Add the product obtained and the numerator of the fraction.

- Write the sum obtained as the numerator and rewrite the original denominator of the fraction.

Then:

1\ 1/2=\frac{(1)(2)+1}{2}=\frac{3}{2}

2. Multiply the numerators.

3. Multiply the denominator.

4. Reduce the fraction.

Then:

(\frac{3}{2})(\frac{2}{1})=\frac{6}{2}=3

5 0
3 years ago
Other questions:
  • Two -thirds of jack's sports cards are baseball cards. If he has 93 cards, how many are baseball cards?
    15·2 answers
  • -7z-3z=18<br>please show ur work <br>solve the equations
    11·1 answer
  • susan can run 2 city blocks per minute. she wants to run 60 blocks. how long will it take her to finish if she jas already run 1
    7·1 answer
  • 3/4, -7/10, -3/4, 8/10 least to greatest
    11·2 answers
  • What is 6x+4x-3x the x's are variables so can someone please help me please help me
    11·1 answer
  • Can someone help again please
    9·2 answers
  • ASAP! WILL BRAINLIEST PERSON WHO ANSWERS FIRST! PLEASE!
    13·2 answers
  • Which figure represents the image of parallelogram LMNP after a reflection across the line y = x?
    13·1 answer
  • Which expression is equivalent to z2 + z + 4z3 + 4z2 ?
    12·1 answer
  • Please help me i need it fast
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!