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3 years ago

Hope you can read those plz help me

Mathematics

1 answer:

erastova [34]3 years ago

4 0

You use the equation given to solve the problem.

x= 4x9
X=36
The four is for the amount of people. The nine is the cost.

For the questions where you have to find out how much each person paid you would have to divided the amount by the number of people.

So, 36/9= 4.30

Therefore each person paid $4.30.

(Hope this helps you)

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7/15+(-5/6)<br> What is the answer and how do I get it

IrinaK [193]

-11/30

Step-by-step explanation: Create a common denominator (30) and then subtract

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3 years ago

Draw a diagram of and of when x is 3.

kipiarov [429]

How am I supposed to answer this question? I don't understand.

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2 years ago

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Of 100 students, 32 are taking Calculus, 29 are taking French, and 13 are taking both Calculus and French, if a student is picke

Elodia [21]

<h2>Answer:</h2><h2>The probability that the student is taking Calculus or French = $\frac{12}{25}$ </h2>

Step-by-step explanation:

The total number of students = 100

Let A represents calculus and B represents French

The no of students taking calculus = 32

The no of students taking French = 29

The no of students taking calculus and french = 13

the probability that the student is taking Calculus or French = ?

P (AUB) = P(A) + P(B) - P(A∩B)

= $\frac{32}{100}$ + $\frac{29}{100}$ - $\frac{13}{100}$

= $\frac{48}{100}$

Reducing to lowest fraction, it becomes $\frac{12}{25}$

The probability that the student is taking Calculus or French = $\frac{12}{25}$

4 0

3 years ago

A temporary support for an architectural feature is positioned 2 feet away from the wall and forms an 80* angle with the ground.

katrin [286]

Answer:

The support reach approximately 11.34 feet up the wall.

Step-by-step explanation:

We are given the following in the question:

The attached image shows the structure.

AC = 2 feet

$\angle ACB = 80^\circ$

We have to find AB.

We know that

$\tan \theta = \dfrac{\text{Perpendicular}}{\text{Base}}\\\\\tan(80) = \dfrac{AB}{AC}\\\\5.6712=\dfrac{AB}{2}\\\\AB \approx 11.34$

Thus, the support reach approximately 11.34 feet up the wall.

7 0

3 years ago

The sum of two polynomials is why Z squared minus 3Z squared minus 4Y +4 if one of the palm will normally else is Y -4

k0ka [10]

Answer: $3yz^2-5y-3z^2+7$

Step-by-step explanation:

<h3> The complete exercise is: </h3><h3> "The sum of two polynomials is $-yz^2 -3z^2-4y + 4$ . If one of the polynomials is $y - 4yz^2 - 3$ , what is the other polynomial?"</h3>

By definition, the sum is the result of the addition.

According to the information given in the exercise, the polynomial $-yz^2 -3z^2-4y + 4$ is obtained by adding the polynomial $y - 4yz^2 - 3$ and another polynomial.

Then, you can find the other polynomial by subtracting $y - 4yz^2 - 3$ from $-yz^2 -3z^2-4y + 4$ :

$(-yz^2 -3z^2-4y + 4)-(y - 4yz^2 - 3)$

So, the steps are:

1. You must distribute the negative sign:

$=-yz^2 -3z^2-4y + 4-y + 4yz^2+ 3$

2. Finally, you need to add the like terms:

$=3yz^2-5y-3z^2+7$

3 0

3 years ago