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3 years ago

Create a proportional ratio to the given ratio 1/8 = ?

2 answers:

3 0

1/8=2/16 or 4/32 or 3/24
As long as you multiply or divide by the same number to both the numerator and denominator you will get a proportional ratio

maks197457 [2]3 years ago

3 0

Answer:

Step-by-step explanation: 2:16 because Proportion is a mathematical concept, which states the equality of two ratios or fractions. meaning it's kind of like equivalent fractions and if you times 1/8 times 2 you get 2/16 and all you do is turn it into a ratio

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Can a real number be both rational and irrational?

Juli2301 [7.4K]

Rational Numbers. Both rational and irrational numbers are real numbers. ... A rational number is anumber that can be expressed as a fraction or ratio. The numerator and the denominator of the fraction areboth integers.

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3 years ago

For Anya's birthday her father gave out colorful birthday hats that were cone shaped. Anya wanted to fill her hat with candy. Wh

goldenfox [79]

Answer:

117 candies

Step-by-step explanation:

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2 years ago

Read 2 more answers

PLSSSSSSSSSSSSS HELPPPPPPPP

lys-0071 [83]

Answer:

1. 16

2. Ram=70 Raj=110

3. d+2, d+4, d+6

Step-by-step explanation:

1. p+2=6

p=6-2

p=4

5p-4=5(4)-4

=20-4

=16

2. Raj=40+Ram

Ram+Raj=180

Ram+40+Ram=180

Ram+Ram=180-40

2Ram=140

Ram=140/2

Ram=70

Raj=40+70

Raj=110

3. d, d+2, d+4, d+6.

5 0

2 years ago

According to the National Bridge Inspection Standard (NBIS), public bridges over 20 feet in length must be inspected and rated e

slamgirl [31]

Answer:

1.80% probability that in a random sample of 12 major Denver bridges, at least 4 will have an inspection rating of 4 or below in 2020.

Step-by-step explanation:

For each bridge, there are only two possible outcomes. Either it has rating of 4 or below, or it does not. The probability of a bridge being rated 4 or below is independent from other bridges. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

For the year 2020, the engineers forecast that 9% of all major Denver bridges will have ratings of 4 or below.

This means that $p = 0.09$

Use the forecast to find the probability that in a random sample of 12 major Denver bridges, at least 4 will have an inspection rating of 4 or below in 2020.

Either less than 4 have a rating of 4 or below, or at least 4 does. The sum of the probabilities of these events is 1.

$P(X < 4) + P(X \geq 4) = 1$