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
Anna35 [415]
3 years ago
8

What is two thirds of 8?

Mathematics
1 answer:
Luba_88 [7]3 years ago
3 0
8x2=16, 16 over 3 is roughly 5.33. so 5 is roughly 2/3rds of 8. Use basic cross multiplication
You might be interested in
It appears that people who are mildly obese are less active than leaner people. One study looked at the average number of minute
fredd [130]

Answer:

0.0322; 0.9929

Step-by-step explanation:

Since the data is normally distributed, we use z scores for these probabilities.

The formula for a z score of a sample mean is

z=\frac{\bar{X}-\mu}{\sigma \div \sqrt{n}}

For the sample of mildly obese people, the mean, μ, is 371; the standard deviation, σ, is 65; and the sample size, n, is 6.

Using 420 for X,

z = (420-371)/(65÷√6) = 49/(65÷2.4495) = 49/26.5360 ≈ 1.85

Using a z table, we see that the area under the curve to the left of this is 0.9678.  However, we want the area to the right, so we subtract from 1:

1-0.9678 = 0.0322

For the sample of lean people, the mean, μ, is 528; the standard deviation, σ, is 108; the sample size, n, is 6.

Using 420 for X, we have

z = (420-528)/(108÷√6) = -108/(108÷2.4495) = -108/44.0906 ≈ -2.45

Using a z table, we see that the area under the curve to the left of this is 0.0071.  We want the area under the curve to the right, so we subtract from 1:

1-0.0071 = 0.9929

7 0
3 years ago
PICTURE) Could someone please correct my answer and explain 6 for me marking brainliest
Gnesinka [82]

Answer:

For number 5, it is D

For number 6, it is A

Step-by-step explanation:

For number 5, we have the dimensions options here.

We first need to check to see if all the choices give the perimeter of 34, as sometimes there are trick answers.

We know the 34 is the perimeter because we are looking for area, so we add the two given numbers and double it to find the perimeter since we have the length and width.

*(Formula for perimeter is 2(L + W)  )

(I already checked them all, and they all give to be 34 so they are all safe.)

Then we find the areas of each.

*(Formula for area is L * W   {the " * " symbol represents multiplication.)

We multiply 12 by 5 to get 60.

We multiply 13 by 4 to get 52.

We multiply 10 by 7 to get 70.

We multiply 9 by 8 to get 72.

Since we are looking for the greatest area, we look for the greatest number, which is the 72.

Therefore the 9 by 8 option, or D is correct.

For number 6, we are looking for the minimum perimeter and we have the area, so we set the same thing up except modified slightly.

We first check if all the areas are 64 to look for a trick answer.

We multiply 8 by 8 to get 64.

We multiply 1 by 64 to get 64.

We multiply 6 by 6 to get 36. (WHAT?!!?!! omg me big brain lolza. {nah jk})

We multiply 32 by 2 to get 64.

So we know the 6 by 6 option or C is wrong.

Then we look for the perimeters of the dimension solutions.

(This will skip C so it will go A, B, and then D, since we know C is incorrect and is unrelated now.)

2 ( 8 + 8 ) =  32

2 ( 1 + 64 ) =  130

2 ( 32 + 2 ) =  68.

Since we are looking for the smallest perimeter, it is the smallest answer this time.

So it must be A, since 32 is the smallest.

Hope this helps!

4 0
3 years ago
I WILL MARK BRAINEST!! number 6 please!! i really need help thank you!
zhenek [66]

Answer:

((8-2t)x3t)-(3-txt)

Step-by-step explanation:

srry just guessing

5 0
2 years ago
9 cm
lions [1.4K]

Answer:

I think it's 149cm

Step-by-step explanation:

I just doubled the numbers and multiplied them

7 0
2 years ago
Estimate the squrae root to rhe nearest hundredth.
Dafna1 [17]

Answer:

1.11.83

2. 20.12

3. 28.28

4. 33.91

5.80.62

6.24.08

7.17.32

8. 15.81

9. 16.85

10. 28.18

Step-by-step explanation:

pls make me brainliest

4 0
3 years ago
Other questions:
  • (3x-3)° [6{x-10)]° what is the value of x
    9·2 answers
  • What's the chance of NOT rolling a seven using a pair of dice.
    6·1 answer
  • What did the Salesman at the compass factory say
    5·1 answer
  • Quincy was stuck inside during an afternoon rainstorm. He spent 20 minutes reading, 18 minutes eating lunch, 12 minutes playing
    12·2 answers
  • -19+3x-11+2x=2 .......?
    5·2 answers
  • Ellen takes a multiple choice quiz that has 5 questions with 4 answers choices for Each question. What is the probability that s
    13·1 answer
  • A ball is thrown straight up into the air. The table shows the data collected over t seconds, where h(t) is the height of the ba
    12·1 answer
  • Please help me with the question
    14·1 answer
  • Mattie uses the discriminant to determine the number of zeros the quadratic equation 0 = 3x2 – 7x + 4 has. Which best describes
    11·1 answer
  • Chanel says the sequence of transformations that maps trapezoid PQRS onto trapezoid KLMN is: rotate it 90 degrees counterclockwi
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!