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4 years ago

If 1/2 gallon of paint covers 1/4 of a wall, then how much paint is needed to cover the entire wall?

2 answers:

6 0

The answer is d 2 gallons because half a gallon covers one fourth of the wall then a gallon will cover half meaning 2 gallons will cover the whole wall

Blizzard [7]4 years ago

3 0

The answer is D, because 1/2 of a bucket does 1/4 of a wall, so 1/2 multiplied by 4 is equal to 2.

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Ms. Thomas took her family and friend to the movies. There were a total of 16 people. Children tickets cost $6 and adult tickets

Korolek [52]

Answer:

11 adults

Step-by-step explanation:

First, set up a system of equations:

Let x = number of children and y = number of adults

There is a total of 16 people, so x+y = 16. This is your first equation.

Each child ticket costs $6, so 6x = cost of children's tickets based on the number of children present (x)

Each adult ticket costs $9, so 9y = cost of adult's tickets based on the number of adults present (y)

The total cost of tickets is $129, so 6x+9y = 129. This is your second equation.

Your system of equations is now this:

x + y = 16

6x + 9y = 129

You can solve this system using the method of elimination, where we will eliminate the variable x (number of children), since we are focused on y (number of adults).

Multiply the top equation by -6. This will give the following equation:

-6x - 6y = -96

You can now solve the system of equations by placing the new equation under the second equation like this:

6x + 9y = 129

-6x - 6y = -96

Now, add the two equations together.

6x + (-6x) = 0

9y + (-6y) = 3y

129 + (-96) = 33

After doing this, you get the following equation:

3y = 33

As you can see, the variable x has been eliminated, and you are left with y.

Solve the equation for y:

3y = 33

y = 33/3 = 11

y = 11 adults

5 0

3 years ago

I will mark your answer brainliest.

Juli2301 [7.4K]

Answer:

Step-by-step explanation:

12÷4=3

7÷7=1

3+1=4

therefore she spent 4 dollars

3 0

3 years ago

3 cups of pecans decorate the top of 12 pecan pie she puts an equal help you can sit on each pie how many cups of pecans does sh

lutik1710 [3]

3cups of peacans on 12 pie you dive 3into 12 and get 4 cups on each pie

6 0

3 years ago

Can I get help on this please

USPshnik [31]

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6 0

4 years ago

AN ARTICLE STATED THAT “INTERNAL SURVEYS PAID FOR BY DIRECTORY ASSISTANCE PROVIDERS SHOW THAT EVEN THE MOST ACCURATE COMPANIES G

yan [13]

Using the binomial distribution, there is a 0.3474 = 34.74% probability of getting one wrong number.

<h3>What is the binomial distribution formula?</h3>

The formula is:

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

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

The parameters are:

x is the number of successes.

n is the number of trials.

p is the probability of a success on a single trial.

For this problem, the values of the parameters are given by:

p = 0.15, n = 10.

The probability of getting one wrong number is P(X = 1), hence:

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

P(X = 1) = C(10,1) x (0.15)¹ x (0.85)^9 = 0.3474

0.3474 = 34.74% probability of getting one wrong number.

More can be learned about the binomial distribution at brainly.com/question/24863377

#SPJ1

8 0

2 years ago