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
VLD [36.1K]
2 years ago
7

Answer this question and i will mark you as brainliest, i promise trust me no lying i mean it

Mathematics
2 answers:
Sunny_sXe [5.5K]2 years ago
6 0

Answer:

77

Step-by-step explanation

Assuming a, b, and c are all natural numbers:

First, set b equal to each other in each ratio

a : b = 3 : 8 = 9 : 24

b : c = 6 : 11 = 24 : 44

You have your smallest values for a, b, and c: 9, 24, 44

Adding them yields 77

NikAS [45]2 years ago
5 0

Answer:

77

Step-by-step explanation:

b is present in both ratios, find first the LCM of 8 and 6, which is 24.

Multiply a:b=3:8 by 3 to get a:b=9:24

Similarly, multiply b:c=6:11 by 4 to get b:c=24:44

Then we conclude

a:b:c=9:24:44

Since there is no common factor among the three numbers, this is the simplest ratio possible.

If a,b and c are integers, the smallest values for a,b and c are 9,24,44.

Add up the three numbers to get the least value of a+b+c=77.

You might be interested in
Which rules define the function whose graph is shown?   on  x < −2   on  −2 ≤ x < 0   on  0 ≤ x < 2   on  2 ≤ x
jeyben [28]

Answer:

-4, -x^2, x^2, 4

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
A function f(x) is said to have a removable discontinuity at x=a if: 1. f is either not defined or not continuous at x=a . 2. f(
Alexeev081 [22]

Answer:

it would be 5

Step-by-step explanation:

8 0
2 years ago
The distribution of lifetimes of a particular brand of car tires has a mean of 51,200 miles and a standard deviation of 8,200 mi
Orlov [11]

Answer:

a) 0.277 = 27.7% probability that a randomly selected tyre lasts between 55,000 and 65,000 miles.

b) 0.348 = 34.8% probability that a randomly selected tyre lasts less than 48,000 miles.

c) 0.892 = 89.2% probability that a randomly selected tyre lasts at least 41,000 miles.

d) 0.778 = 77.8% probability that a randomly selected tyre has a lifetime that is within 10,000 miles of the mean

Step-by-step explanation:

Problems of normally distributed distributions are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 51200, \sigma = 8200

Probabilities:

A) Between 55,000 and 65,000 miles

This is the pvalue of Z when X = 65000 subtracted by the pvalue of Z when X = 55000. So

X = 65000

Z = \frac{X - \mu}{\sigma}

Z = \frac{65000 - 51200}{8200}

Z = 1.68

Z = 1.68 has a pvalue of 0.954

X = 55000

Z = \frac{X - \mu}{\sigma}

Z = \frac{55000 - 51200}{8200}

Z = 0.46

Z = 0.46 has a pvalue of 0.677

0.954 - 0.677 = 0.277

0.277 = 27.7% probability that a randomly selected tyre lasts between 55,000 and 65,000 miles.

B) Less than 48,000 miles

This is the pvalue of Z when X = 48000. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{48000 - 51200}{8200}

Z = -0.39

Z = -0.39 has a pvalue of 0.348

0.348 = 34.8% probability that a randomly selected tyre lasts less than 48,000 miles.

C) At least 41,000 miles

This is 1 subtracted by the pvalue of Z when X = 41,000. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{41000 - 51200}{8200}

Z = -1.24

Z = -1.24 has a pvalue of 0.108

1 - 0.108 = 0.892

0.892 = 89.2% probability that a randomly selected tyre lasts at least 41,000 miles.

D) A lifetime that is within 10,000 miles of the mean

This is the pvalue of Z when X = 51200 + 10000 = 61200 subtracted by the pvalue of Z when X = 51200 - 10000 = 412000. So

X = 61200

Z = \frac{X - \mu}{\sigma}

Z = \frac{61200 - 51200}{8200}

Z = 1.22

Z = 1.22 has a pvalue of 0.889

X = 41200

Z = \frac{X - \mu}{\sigma}

Z = \frac{41200 - 51200}{8200}

Z = -1.22

Z = -1.22 has a pvalue of 0.111

0.889 - 0.111 = 0.778

0.778 = 77.8% probability that a randomly selected tyre has a lifetime that is within 10,000 miles of the mean

4 0
2 years ago
15 less than 2 times a number is represented by the algebraic expression of 2h - 15. True or false
Advocard [28]
False here are extra words tho make 20 words
8 0
2 years ago
What is the reciprocal of -2 2/3
BaLLatris [955]

Answer:

-3/8

Step-by-step explanation:

First rewrite -2 2/3 as an improper fraction:  -8/3

Now invert this result:  -3/8

This is the reciprocal of -2 2/3.

3 0
2 years ago
Read 2 more answers
Other questions:
  • A stadium has 39 sections. there are 18 sections that each have 478 seats. The remaining sections each have 292 seats. If 13,528
    15·1 answer
  • How much is 45 minutes plus 45 minutes
    5·2 answers
  • Divide 4 2/3 divided by 1 2/3
    14·1 answer
  • a class of 25 students has 15 girls and 10 boys.If one student is chosen at random,what is the probability it is a girl
    6·1 answer
  • If a right rectangular pyramid is sliced perpendicular to its base into two congruent pieces, which two-dimensional plane sectio
    11·1 answer
  • 16, -6.4, 2.56, ..., 6th term<br> The 6th term of the sequence is
    12·1 answer
  • . Micah has 294 songs stored in his phone, which is 70% of the songs that George has stored in his phone. How many songs are sto
    13·1 answer
  • Which of the following is a polynomial?
    14·1 answer
  • What is the ans of this?​
    7·1 answer
  • Write the interval notation<br>the domain of the INVERSE<br>of the function shown​
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!