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IceJOKER [234]
3 years ago
15

The ratio of green beads to yellow beads in a bracelet is three to four. The total number of beads is 14. How many green beads a

re there ?
Mathematics
1 answer:
Alja [10]3 years ago
4 0

Answer:

There are 6 green beads there.

Step-by-step explanation:

This question can be solved by a system of equations.

I am going to say that:

x is the number of green beads

y is the number of yellow beads

The ratio of green beads to yellow beads in a bracelet is three to four.

This means that

\frac{x}{y} = \frac{3}{4}

So

3y = 4x

y = \frac{4x}{3}

The total number of beads is 14.

This means that x + y = 14

How many green beads are there ?

This is x.

x + y = 14

However

y = \frac{4x}{3}

So

x + \frac{4x}{3} = 14

Using multiplying by the gcm(3)

3x + 4x = 42

7x = 42

x = 6

There are 6 green beads there.

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Calculate the highest common fac for it to the following 4 45, 6 o and is​
kow [346]

Answer:

The greatest common factor is 1

Step-by-step explanation:

The factors of 4 are: 1, 2, 4

The factors of 6 are: 1, 2, 3, 6

The factors of 45 are: 1, 3, 5, 9, 15, 45

Then the greatest common factor is 1.

4 0
3 years ago
scores on the act college entrance exam follow a bell-shaped distribution with mean 18 and standard deviation 6. Wayne's standar
WITCHER [35]

Answer:

His actual score is 15

Step-by-step explanation:

Here, we are interested in calculating Wayne’s actual score on the ACT

when we say the scores have being standardized, it means the score was reported in terms of the z-score and not the initial raw scores.

Now, mathematically, for the scores to have a negative z-score, it means it is actually below the mean.

The formula for the z-score or standard score is given below;

z-score = (x - mean)/SD

where in this case, x = ? which is the score we are looking for , z-score = -0.5 , mean score = 18 and standard deviation of the scores = 6

So, substituting these values into the z-score equation, we have;

-0.5 = (x-18)/6

x-18 = 6(-0.5)

x -18 = -3

x = -3 + 18

x = 15

7 0
3 years ago
Put 1.12 2.10 3.11.40 4.10.48 5.10.95 6.10.72 7.11.53 in a number line
dexar [7]

Answer:Add them up

Step-by-step explanation:

7 0
3 years ago
What is 1/5 of 1/2 of 1/4 of 152?
Alona [7]
1/5 of 152 is 30.4
1/2 of 152 is 76
1/4 of 152 is 38

hope this helped :)



4 0
3 years ago
Read 2 more answers
in the morning a farm worker packed 3 pints of strawberriesevery 4 minutes.in the afternoon she packed 2 pints of strawberries e
nevsk [136]
In the morning
 (3/4) (strawberries / minutes) * (60/1) (minutes / hours) = 45 (strawberries / hours)
 in the afternoon
 (2/3) (strawberries / minutes) * (60/1) (minutes / hours) = (40 strawberries / hours)
 the difference between your morning and afternoon packing rates, in pints per hour is
 45-40 = 5 (strawberries / hours)
7 0
3 years ago
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