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VLD [36.1K]
3 years ago
13

You have a 5-question multiple-choice test. Each question has four choices. You don’t know any of the answers. What is the exper

imental probability that you will guess exactly three out of five questions correctly? Type your answer below using complete sentences.
Help! i dont understand this.
Mathematics
1 answer:
lana66690 [7]3 years ago
4 0
2 out of 5 chance that you will attests get 3
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The local video store is having a sale on video games. The store is offering a sale pack of 4 video games for $48. What is the p
Alinara [238K]
A single video game would cost $12
8 0
3 years ago
Read 2 more answers
Polynomials are closed under the operation of addition. Which statement best explains the meaning of closure of polynomials unde
spayn [35]
Answer: The correct answer is the second choice: "When any two polynomials are added, the result is always a polynomial."

When a set of numbers is "closed" under an operation, it means that the resulting output answer is the same type as the input.

For example, if you add  2x + 9 and 3x + 12, you get 5x + 21.

You started with 2 polynomials and you ended with a polynomial.
7 0
3 years ago
Elevate 6 x when x equals 10
Vinvika [58]
6x

x=10

So replace "x" in 6x with 10 and you get,

6(10)

It can be seen as

6 x 10

and 6 x 10 is 60.

So your answer would be 6x = 6(10) = 60
6 0
3 years ago
Read 2 more answers
10. You just hung a picture twelve inches above the wall trim. Your friend thinks the picture looks
muminat

Answer:

The angles measured between the shadow and the wall trim and the shadow and the top or bottom of the picture should be equal if the picture is level

Step-by-step explanation:

Whereby the picture is 12 inches above the wall trim and the Sun is casting a shadow on the wall, therefore, the edges of the shadow of a straight edged object is straight

If the picture is level, the shadow cast by the sun is transversal to the wall trim and the line formed by extending the bottom or top of the picture in the direction of the shadow. That is, if the picture is parallel, the shadow cast by the Sun on the wall is transversal to the picture and the wall trim if or when the shadow eventually crosses the picture

With the protractor, the angle between the shadow and the wall trim and the shadow and the top or bottom is measured

The angles measured should be the same if the picture is level.

5 0
3 years ago
2/2 - 7x-4<br> Simplify<br> - 58+4<br> 2x + 1<br> 2-1<br> 2x + 1<br> *+1<br> 2-72
Pachacha [2.7K]

Answer:

A or (2x+1)/(x-1)

Step-by-step explanation:

Let's simplify the top of the fraction first.

1. Simplify the numerator.

2x^2 -7x-4=(2x+1)(x-4)

2. Simplify the denominator.

x^2-5x+4=(x-4)(x-1)

Now we have:

((2x+1)(x-4))/((x-4)(x-1))

We see that there is an (x-4) both on the numerator and denominator.

We can remove (x-4) by division.

Doing that, we have:

(2x+1)/(x-1) or A

5 0
3 years ago
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