MATHEMATICS HIGH SCHOOL

What's the answer for this ​
what's the answer for this ​ - 1

Answers

Answer 1
Answer:

Answer:

nub

Step-by-step explanation:

lol

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1.) The median weight of a checked bag is 27.5 pounds. How does the mean of the data most likely compare to the median? The mean is most likely less than 27 pounds. The mean is most likely exactly 27.5 pounds. The mean is most likely about 28 pounds. The mean is most likely more than 28 pounds.

The sum of 555 consecutive odd numbers is 135135135.

Answers

I'm guessing you mean to say that sum of 5 consecutive odd numbers is 135. In that case, let x be the first number. Then

x + (x + 2) + (x + 4) + (x + 6) + (x + 8) = 135

5x + 20 = 135

5x = 115

x = 23

So the numbers are 23, 25, 27, 29, and 31.

If you really did mean 555 consecutive odd numbers summing to 135,135,135, the process is the same, but you would find a non-integer solution so that wouldn't be possible.

Answer:

The answer is 25

Step-by-step explanation:

I got this answer on Khan Academy

Hope this helps! :)

4.02 + 2/5 + 3 3/8 + 7.9 (HELP??)

Answers

Answer:

15.695

Step-by-step explanation:

Find the perimeter of a regular octagon if one side has a measure of 8 cm. A. 16 cm. B. 64 cm. C. 56 cm. D. 72 cm.

Answers

The answer is B. 64 cm

A polynomial has one root that equals 5-7i. Name one other root of this polynomial

Answers

Answer:

The other root of the polynomial is 5+7i.

Step-by-step explanation:

According to the complex conjugate root theorem, if a complex number is a root of a polynomial, then its conjugate is also a root of that polynomial.

It means, if a+ib is a complex root of a polynomial, then its conjugate a-ib is also the root of that polynomial.

It is given that the a polynomial has one root that equals 5-7i.

To find the conjugate of a complex number the sign of imaginary part is changed.

The conjugate of 5-7i is 5+7i.

A polynomial has one root that equals 5-7i, using complex conjugate root theorem 5+7i is the other root of this polynomial.

Answer:

The other root is 5 + 7i.

Which is bigger 8/10 or 79/100

Answers

To figure this out first we will convert each fraction in to a decimal. To do this we need to divide the numerator by the denominator. 

8/10 = 8 ÷ 10 = 0.80

79/100 = 79 ÷ 100 = 0.79

So, 8/10 = 0.80 & 79/100 = 0.79.

Since 0.80 is more than 0.79 8/10 is bigger.

So 8/10 (0.80) is bigger than 79/100 (0.79). 

Hope I helped ya!! :) 
you can say 8/10 = 80/100 ⇒ 80/100 is bigger than 79/100 :)))

PLEASE HELP Polynomial Graph Studies Polynomials are great functions to use for modeling real-world scenarios where different intervals of increase and decrease happen. But polynomial equations and graphs can be trickier to work with than other function types. In mathematical modeling, we often create an equation to summarize data and make predictions for information not shown on the original display. In this activity, you’ll create an equation to fit this graph of a polynomial function. Part A Describe the type of function shown in the graph. Part B What are the standard form and the factored form of the function? Part C What are the zeros of the function? Part D Use the zeros to find all of the linear factors of the polynomial function. Part E Write the equation of the graphed function f(x), where a is the leading coefficient. Use the factors found in part D. Express the function as the product of its leading coefficient and the expanded form of the equation in standard form. Part F Use the y-intercept of the graph and your equation from part E to calculate the value of a. Part G Given what you found in all of the previous parts, write the equation for the function shown in the graph.

Answers

Answer:

Here's what I get  

Step-by-step explanation:

Part A

The graph shows a polynomial of odd degree. It is probably a third-degree polynomial — a cubic equation.

Part B

The standard form of a cubic equation is

y = ax³ + bx² + cx + d

The factored form of a cubic equation is

y = a(x - b₁)(x² + b₂x + b₃)

If you can factor the quadratic, the factored form becomes

y = a(x - c₁)(x - c₂)(x - c₃)

Part C

The zeros of the function are at x = -25, x = - 15, and x = 15.

Part D

The linear factors of the function are x + 25, x + 15, and x - 15.

Part E

y = a(x + 25)(x + 15)(x - 15) = a(x + 25)(x² - 225)  

y = a(x³ + 25x² - 225x - 5625)

Part F

When x = 0, y = 1.

1 = a[0³ +25(0)² - 225(0) - 5625] = a(0 + 0 - 0 -5625) = -5625a

a = -1/5625

Part G

y = -(1)/(5625)( x^(3) + 25x^(2) - 225x - 5625)\n\ny = \mathbf{ -(1)/(5625) x^(3) - (1)/(225)x^(2) + (1)/(25) x + 1}

Answer

Actually, the answer should be -0.0007(x+20)(x+5)(x-15)

Step-by-step explanation:

This is continuing off of the previous answer

PART C

The zeros should be (15,0), (-5,0), and (-20,0)

PART D

x - 15, x + 5, and x + 20

PART E

a(x - 15)(x + 5)(x + 20)

Standard: a(x^(3) + 10x^(2) -275x-1500)

PART F

The y-intercept is at (0,1), so we replace the x's with 0:

1 =[(0)x^(3) +10(0)x^(2) -275(0)-1500] and this gives us (0+0-0-1500) which also equals -1500

Then we do (1)/(-1500) which gives us -0.0006 repeating which rounds to -0.0007

a= -0.0007

PART G

Just place the numbers where they should go and your answer is

y =-0.0007(x + 20)(x + 5)(x - 15)  

the placement for (x + 20) (x + 5) and (x - 15) doesn't matter as long as they are behind -0.0007
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