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harkovskaia [24]
3 years ago
10

There are 19 green marbles in a box. The number of green marbles in the box is 6 more than half the number of red marbles in the

box. Write an algebraic equation to represent r, the number of red marbles in the box.
Mathematics
2 answers:
Lapatulllka [165]3 years ago
7 0

Answer Answer R= 2(G-6)

:G=19

G=.5R+6

19=.5R+6

-6=.5R-6

13.=.5R

Divide by 5

R= 26

Step-by-step explanation:

vfiekz [6]3 years ago
4 0

Answer:

r = 2(19-6)

Step-by-step explanation:

19 is the number of green. 19 also is equal to (r/2 + 6)

so 19 = r/2 + 6   rearrange for R = 2( 19-6)

subtract 6 from both sides, then multiply by 2 to cancel the denominator.

19 -6 = r/2     13 = r/2

2(13) = r

r =26

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Leno4ka [110]

Answer:

A.

$1.40, $1.75, $2.10

B.

40

Step-by-step explanation:

A.

Follow the pattern of $0.35

B.

14 divided by 0.35 = 40

Hope this helps! Please mark as brianliest.

3 0
2 years ago
Read 2 more answers
To control the traffic during Ramadan month, a Police Sergeant is assigned to control the traffic
m_a_m_a [10]

To complete the table it is necessary to know the possibilities that the sergeant has to change or remain in an intersection. The probabilities (depending on the box) are:

  • 0
  • 0.2
  • 0.25
  • 0.33

<h3>How to calculate the probability of intersection change? </h3>

To know the probability of intersection change, it is necessary to locate the police officer at one of the intersections. Subsequently, count how many possibilities of change you have, for example: 3 possibilities and finally add the possibility of remaining in the intersection as shown below:

  • Intersection 3 has 3 possibilities of changing towards intersections 2, 8 and 4. Additionally, it has the possibility of staying at intersection 3, that is, it has 4 possible decisions.

To know the probability we divide the number 1 (because it is only a decision that we have to make) and divide it by the number of possibilities (4).

  • 1 ÷ 4 = 0.25

According to the image we can infer that in some intersections they only have 3, 4 and 5 possibilities, so the probability of change will be different as shown below:

  • 1 ÷ 3 = 0.33
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Learn more about probabilities in: brainly.com/question/8069952

3 0
2 years ago
Suppose the average tread-life of a certain brand of tire is 42,000 miles and that this mileage follows the exponential probabil
Ahat [919]

Answer: The probability that a randomly selected tire will have a tread-life of less than 65,000 miles is 0.7872 .

Step-by-step explanation:

The cumulative distribution function for exponential distribution is :-

P(X\leq x)=1-e^{\frac{-x}{\lambda}}, where \lambda is the mean of the distribution.

As per given , we have

Average tread-life of a certain brand of tire :  \lambda=\text{42,000 miles }

Now , the probability that a randomly selected tire will have a tread-life of less than 65,000 miles will be :

P(X\leq 65000)=1-e^{\frac{-65000}{42000}}\\\\=1-e^{-1.54761}\\\\=1-0.212755853158\\\\=0.787244146842\approx0.7872

Hence , the probability that a randomly selected tire will have a tread-life of less than 65,000 miles is 0.7872 .

8 0
3 years ago
From 3-5pm on Friday there were
luda_lava [24]
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6 0
3 years ago
Please help me with this math problem!! Will give brainliest!!
Vlad1618 [11]
In this question, the given functions are

And we have to find the value of

Which is equal to

So we have to subtract the two functions that is

Correct option is the second option .


This is wrong DONT use it
8 0
2 years ago
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