MATHEMATICS HIGH SCHOOL

How you would get the answer and what it would be

Answers

Answer 1

Answer:

Hi Sabra

2 3/4+ 3 1/5

= 5 19/20

I hope that's help ! Your answer for number 16 is incorrect

Sorry I don't know the answer for number 17 but I hope that's help.

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Tell whether or not the value is a solution to the inequality

Answers

Answer:

Yes, n = -2.9 is a solution to the given inequality.

Step-by-step explanation:

To determine if n = -2.9 is a solution to the inequality 10.4 ≥ -2n + 4.6, substitute the value of n into the inequality.

10.4 ≥ -2(-2.9) + 4.6

10.4 ≥ 5.8 + 4.6

10.4 ≥ 10.4

Since the last line of the inequality states that 10.4 is greater than or equal to 10.4, which is true, this means that the original inequality holds true when n = -2.9.

So, n = -2.9 is a valid solution to the inequality 10.4 ≥ -2n + 4.6.

9 miles is approximately equal to 16km. How many km are equal to 63 miles? How many miles are equal to 48km?

Answers

The correct answer is 27 miles!

16 x 7 =112 so 63 miles would equal 112 km
48km equals 21.8258172

What is the slope of this table?

Answers

Answer:

Step-by-step explanation: what grade r u in and also help me with my homeork

How to solve for y if the equation is y=5/2x + 5 if x is zeroplease show step by step how to solve

Answers

$y=(5)/(2)\cdot0+5\ny=0+5\ny=5$

Q, y=5/2x+x if x is zero

An, ( y=5/2×0+5 ) as you know if i multiply number to zero you get zero so "x" change to the zero you get
( y=0+5 )= ( y=5 ) that is your answer

Paul, Colin and Brian are waiters. One night the restaurant earns tips totalling £77.40.
They share the tips in the ratio 1:3:5.
How much more does Brian get over Paul?

Answers

You have to add the ratio, which is 1:3:5 and 1+3+5= 9. Then you must do £77.40 divided by 9. This gives you £8.6. So 1 part is £8.60, also how much Paul got. To find out Brian, you must do 5 multiplied by £8.60 which gives you £43. Then, to get the difference, you must do £43 take away £8.60, giving you £34.40. Your final answer will be £34.40. I hope this helped!

As x → −[infinity], y → ? As x → [infinity], y → ? Determine the end behavior for y = 8x^4 Determine the end behavior for y = -49 + 5x^4 + 3x Determine the end behavior for y = -x^5 + 5x^4 + 5

Answers

Problem 1

The end behavior of y = 8x^4 is:

$\text{As x} \to -\infty, \text{ y } \to \infty\n\text{As x} \to \infty, \text{ y } \to \infty$

In either case, y approaches positive infinity. This end behavior is the same as a parabola that opens upward. This applies to any even degree polynomial.

Informally we can describe the end behavior as: "Both endpoints rise up forever".

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Problem 2

The end behavior of y = -49 + 5x^4 + 3x is the exact same as problem 1. Why? Because the degree here is 4. The degree is the largest exponent.

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Problem 3

For this problem we have the polynomial y = -x^5 + 5x^4 + 5

This time the degree is 5, which is an odd number.

The end behavior would be

$\text{As x} \to -\infty, \text{ y } \to \infty\n\text{As x} \to \infty, \text{ y } \to -\infty$

Informally, we can state the end behavior as "Rises to the left, falls to the right".

The endpoints go in opposite directions whenever the degree of the polynomial is odd. Think of a cubic graph. The "falls to the right" is due to the negative leading coefficient.

I strongly recommend using a TI83, TI84, Desmos, or GeoGebra to graph out each polynomial so you can see what the end behavior is doing.

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