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2 years ago

I am feeling generous again so who ever say's "hey" with any emoiji i will give you brainliest, oh and 17 points

Mathematics

1 answer:

mart [117]2 years ago

6 0

Answer:

Hey :)

Step-by-step explanation:

I dont know how to do emoji on laptop

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A box of ice cream bars had a regular price of $60. The discount is 10% off the price. Calculate the new price after the discoun

marysya [2.9K]

60 * 0.10 = 6
$6 price off
60 - 6 = $54
Solution: new price: $54

6 0

3 years ago

For what values of <img src="https://tex.z-dn.net/?f=x" id="TexFormula1" title="x" alt="x" align="absmiddle" class="latex-formul

11Alexandr11 [23.1K]

Answer:

$x1$

Step-by-step explanation:

We have:

$(x+5)(x-1)$

And we want to find the value of x such that the expression is positive. So, we can write this as the following inequality:

$(x+5)(x-1)>0$

Solve for the inequality. First, we can solve for the zeros like a normal quadratic. So, pretend the inequality is with an equal sign:

$(x+5)(x-1)=0$

Zero Product Property:

$x+5=0\text{ or } x-1=0$

On the left, subtract 5.

On the right, add 1.

So, our zeros are:

$x=-5, 1$

Since our inequality is a greater than, our answer is an "or" inequality with our answer being all the values to the left of our lesser zero and all the values to the right of our greater zero.

So, our solution is:

$x1$

And we're done!

7 0

3 years ago

Read 2 more answers

Use the following graph to estimate the rate of change of the function at x=0.6 using the points (0,0) and (1,−0.5)

svetoff [14.1K]

Answer:

The rate of change of the function at x = 0.6 is approximately -0.72

Step-by-step explanation:

The given information from the graph are;

Points (0, 0) and (1, -0.5)

We have that the graph is that of a cubic function, therefore;

f(x) = ax³ + bx² + cx + d

At f'(x) at (0, 0) and (1, -0.5) = 0 gives;

3ax² + 2bx + c = 0

∴ c = 0

Also

ax³ + bx² + cx + d = 0

d = 0

We have

3a(1)² + 2b(1) + 0 = 0

3·a + 2·b = 0..............(1)

a(1)³ + b(1)² + c(1) + d = -0.5

a + b + 0×(1) + 0 = -0.5

a + b = -0.5..........(2)

Multiplying equation (2) by 2 and subtracting it from equation (1) gives;

2 × (a + b = -0.5) = 2·a + 2·b = -1

3·a + 2·b - (2·a + 2·b) = 0 - (-1) = 0 + 1 = 1

a = 1

From

a + b = -0.5, we have;

1 + b = -0.5 = 0

b = -0.5 - 1 = -1.5

The equation becomes

f(x) = x³ - 1.5·x²

The rate of change of the function at x = 0.6 is therefore given as follows;

f'(x) = 3 × x² - 2 × (1.5)·x = 3·x² - 3·x

At x = 0.6, we have;

f'(0.6) = 3·(0.6)² - 3·(0.6)

f'(0.6) = 3×0.6² - 3×0.6 = -0.72

The rate of change of the function at x = 0.6 ≈ -0.72

4 0

4 years ago

What is the birthday polynomial for 10/1/2006

zubka84 [21]

Answer:

Simplified version: 10x^5 - 1x^4 + 2x^3 - 6

Step-by-step explanation:

Since your birthday is 10/1/2006 we can use 1012006 as our digits.

We can make a random polynomial: 10x^5 - 1x^4 + 2x^3 + 0 x^2 + 0x - 6

(since 0 are meaningless we can simply this further into the below equation)

10x^5 - 1x^4 + 2x^3 - 6

Here's an example: https://www.wyzant.com/resources/answers/730225/birthday-polynomial-project-for-04-15-2004

8 0

2 years ago

1) 5(h + 9) = 55 Distribute _____ to everything in parentheses.

NikAS [45]

9 + h = 55/5
9 + h = 11
11 - 9 = h
2 = h

The opposite of addition is subtraction, Subtract 9 from both sides, The opposite of multiplication is division, divide both sides by 5 is the first step, and final answer is h = 2.

8 0

3 years ago