Which polynomial is in standard form? A) 5x6 − 6x8 + 7x9 + 9 B) x2 + 2x3 − 3x4 + 3x5 C) 3x3 − 5x2 + 7x4 + 9x3 D) 2x5 − 6x3 + 3x2 − x

Answers

Answer 1

Answer:

Answer: choice D

2x^5 - 6x^3 + 3x^2 - x

Explanation:

Polynomials in standard form always have the exponents decrease (ie go from largest to smallest) when we read from left to right. For choice D, the exponents from left to right are: 5, 3, 2, 1. This is decreasing order. The other answer choices do not have the exponents in decreasing order. The degree of the polynomial in choice D is a 5th degree polynomial since 5 is the largest exponent.

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Calculate the force on an object that has a mass of 12 kg and an acceleration of 4 m/s2.

Answers

3 kg/s- is the correct answer

Answer:

3 kg/s

Step-by-step explanation:

Please help i need this in the next 5 minutes

Answers

The answer is 110 degrees.

Hope it helps!

Solve the system of equations.{y=x−6
{3x+2y=8

Use the substitution method.

Answers

the answer is y=-2 and x=4 ,,, tell me if you need the work

Please help last 4 questions to solve and can figure them out

Answers

Answer:

3. Option D

5. Option B

13. Option D

17. Option B

Step-by-step explanation:

Question 3

4C means that, multiply 4 with all the terms in the matrix A . We get option D.

Question 5

Matrix A + matrix B means that add corresponding terms of each matrix.

We get option B.

Question 13

Here we have to find a₁,₂ (the term in which first row second column)

a₁,₂ = 2

We get option D.

Question 17

B - CF - First multiply matrix C with matrix F and subtract it from Matrix B.

We get option B

What is the volume of a triangular prism with dimensions of 5 cm, 7 cm, and 2 cm?

Answers

Given:
5cm ; 7cm ; 2cm

Since the measurement were not identified, I'll just state the formula for finding the volume of a triangular prism.

Volume of triangular prism = 1/2 * base * height * length
V = 1/2 * 5cm * 7cm * 2cm
V = 1/2 * 70cm³
V = 35 cm³

Volume of a triangular prism is 35cm³

Johnny wants to know how many students in his school enjoy watching science programs on TV. He poses this question to all 26 students in his science class and finds that 75% of his classmates enjoy watching science programs on TV. He claims that 75% of the school's student population would be expected to enjoy watching science programs on TV. Is Johnny making a valid inference about this population? (5 points) Yes, it is a valid inference because his classmates make up a random sample of the students in the school
Yes, it is a valid inference because he asked all 26 students in his science class No, it is not a valid inference because he asked all 26 students in his science class instead of taking a sample from his math class
No, it is not a valid inference because his classmates do not make up a random sample of the students in the school

Answers

Answer:

Option D is the correct answer.

Step-by-step explanation:

Given scenario is :

Johnny wants to know how many students in his school enjoy watching science programs on TV.

He poses this question to all 26 students in his science class and finds that 75% of his classmates enjoy watching science programs on TV.

He claims that 75% of the school's student population would be expected to enjoy watching science programs on TV.

No, this is not a valid inference as Johnny has asked the question to only his classmates. This does not denote the whole population of the school.

Therefore, the correct option is - No, it is not a valid inference because his classmates do not make up a random sample of the students in the school.

No is it not valid because that is only the kids in his class, not the whole school

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