MATHEMATICS MIDDLE SCHOOL

Which expressions are polynomials?Select each correct answer.

y^2−y√3+4

2x^4−y

6 + w

z + 1


What is the degree of the polynomial 3xy^2z−2z^5+2/3y2^z^4 ?

2

4

5

6

Answers

Answer 1
Answer: the answer is four for the degree of the polynomial

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Write in standard form 12 ten thousands, 8 thousands, 14 hundreds, 7 ones
What is the value of h (−2) when h (x) = 3x + 1? ​ h (−2) =
A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is the number of 3-point questions and y is the number of 5-point questions, the system shown represents this situation. x + y = 24 3x + 5y = 100 What does the solution of this system indicate about the questions on the test? A] The test contains 4 three-point questions and 20 five-point questions. B]The test contains 10 three-point questions and 14 five-point questions. C]The test contains 14 three-point questions and 10 five-point questions. D]The test contains 20 three-point questions and 8 five-point questions.
What is 5/12 minus 3/20

Can i get help with math? (picture provided) grade 9
13-18 ​

Answers

Answer:

I dont know what you are supposed to answer with but I'll try to help you out. I take it that you have to find the letter ex. the letter d in 1/2d = 7. What you have to do is to get the d by itself and in order to do that you must move the 1/2 over to the 7. So what you would have to do is take the fraction that has the letter on it and move it to the whole number side or the side without the letter but without moving the d.The d stays on one side while the other numbers are on the other side. When you move the 1/2 over it should look like this sort of due to the limitations of only being able to use text: d = 7 ÷ 1/2. Now after that you have to divide 7 by 1/2 or .5 for question 13 in this instance. Your answer for 13 should be this: d=4.5Makesuretoshowallyourworkjustincase.

13. d = 4.5

14. 18 = f

15.-9=s

16.-24 = r

17. 0.125 = y

18. -3 = v

Hope I could help as I am also a fellow 9th grader
ANSWERS:

13) d= 14
14) f= 18
15) s= -9
16) r= -24
17) y= 1/8
18) v= -3

SOLUTION:
13) multiply both sides by 2
14) multiply bothsides by 6 then divide both sides by 5
15) multiply both sides by 3 then divide both sides by 2
16) multiply both sides by 8 then divide both sides by -3
17) divide both sides by 4/5
18) divide both side by 1/4

Six groups of students sell 162 balloons at the school carnival there are 3 students in each group if each student sells the same number of balloons how many. Balloons dose each student sell ?

Answers

so, there are six groups of 3 students each. This means that there are 18 students in total.

Each of these students sells the same about of balloons: so we can divide the total number of sold balloons; 162 by 18:

(162)/(18)= (81)/(9)=9

which means that each student sold 9 balloons!!!

Each student sell \boxed{9{\text{ balloons}}} if there are six groups of 3 students.

Further Explanation:

Explanation:

Six groups of students sell 162 balloons at the school carnival.

There are 3 students in each group.

Each student sells the same number of balloons.

The total number of students can be obtained as follows,

\begin{aligned}{\text{Number of students}} &= 3 * 6 \n&= 18 \n\end{aligned}

Number of balloons each student sell can be obtained as follows,

\begin{aligned}{\text{Number of balloon}} &= \frac{{162}}{{18}}\n&= 9\n\end{aligned}

Each student sell \boxed{9{\text{ balloons}}} if there are six groups of 3 students.

Learn more:

  1. If the clothing maker bought 500 m2 of this fabric, how much money did he lose? use 1tepiz=0.625dollar and 0.9144m=1yard brainly.com/question/2479097.
  2. Suppose that you find the volume of all the oceans to be 1.4×109km3 in a reference book. to find the mass, you can use the density of water, also found in this reference book, but first you must convert the volume to cubic meters. what is this volume in cubic meters?brainly.com/question/1446243.

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Fraction and Ratio

Keywords: six groups, groups, students, sell, six, 162 balloons, school, carnival, 3 students, each group, school carnival, same, number of balloons,  student sell, many balloons, 3 students in a group.

A trapezoid in a coordinate plane has vertices (-2,5),(-3,-2),(2,-2),and (1,5) What is the height of the Trapezoid

Answers

Rise: 7, Run: 0
Rise (on the y-axis); from -2 to 5
Run (x-axis): 0

For a Supplementary angle, what is THE VALUE OF X in this problem:
(4x + 40)degrees and 3x

Answers

if you add it all together it will be 180 so to work it out you would do this...
7x+40=180
7x=140
x=20

hope this helps :)
a supplementary angle means two angles that equal 180°

 4x + 40 + 3x = 180

7x + 40 = 180
       -40     -40
     ----------------
7x = 140       140 ÷ 7 = 20

A football team gained 35 yards on a first down, lost 15 yards on the second down and gained 12 yards on the third down. How many yards do they need to gain on the fourth down to have a ten yard gain from their starting position?

Answers

13 yards 

35-15=20
20+12=32
32-35=3
3+10=13

Which fraction is the reciprocal of 5 2/3?I NEED HELP ASAP! PLEASE PLEASE PLEASE HELP! I NEED HELP NOW!

A. 2/15


B. 3/17


C. 17/3


D. 13/2

Answers

B. 

Okay, so the fraction 5 (2)/(3) ... 5, in terms of thirds, is 15/3, plus ⅔ = 17/3.
The reciprocal of that is just upside-down— 3/17.
You would need to make the fraction a improper fraction and reverse it. It's improper fraction would be 17/3, flip that around and you will get 17/3. The answer is B.
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