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3 years ago

Can you guys help me solve this

Mathematics

1 answer:

taurus [48]3 years ago

6 0

Dear you need to first do the math of each side of the inequality. If the negative number is like -25 and -5, the greater one is -5. The -25 would be least. < means it’s not equal so that an open circle. It’ll look like this, o. If it has the line underneath then it’s equal to the number. It would be a closed circle like this, •. Not sure if that’ll help.

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Add and simplify 15 1/7 + 11 4/7

Anika [276]

15 +11= 26
1/7 + 4/7 = 5/7

Final answer 26 5/7

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3 years ago

Read 2 more answers

The manager of a company uses the function shown to model the company’s daily profit based on the price of a product in dollars,

just olya [345]

Answer: 1) The minimum price, in dollars, to avoid a loss = 22,

2) the maximum price in dollars , to avoid a loss = 53,

3) The price that results the maximum profit = 37.5 dollars

Step-by-step explanation:

Since the given function that shows the total profit,

$f(x) = (x-22)(53-x)$

Where x is the price of the product.

Since for avoiding the loss,

$f(x) \geq 0$ ,

⇒ $(x-22)(53-x)\geq 0$

If $(x-22)\geq 0 \implies x\geq 22$

If $53 - x \geq 0 \implies 53 \geq x$

Thus, 53 ≥ x ≥ 22,

Therefore, the minimum price to avoid the loss = $ 22

And, the minimum price to avoid the loss = $ 53

$f'(x) =\frac{d}{dx}[(x-22)(53-x)] = (x-22)\frac{d}{dx} (53-x)+(53-x) \frac{d}{dx}(x-22)$

⇒ $f'(x) = - (x-22)+(53-x) = -x+22+53-x =-2x+75$

Now, For maximum or minimum,

$f'(x) = 0$ ,

⇒ $-2x+75 = 0$

⇒ $-2x = -75$

⇒ $x = 37.5$

$f''(x) = \frac{d}{dx}(-2x+75)=-1$

For x = 37.5, f''(x) is negative,

Thus, For the price of $ 37.5 dollars the company has the greatest profit.

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3 years ago

Use your knowledge of expressions to answer the following

a_sh-v [17]

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3 years ago

Work out the circumference amd area of tne circular peice of glass needed for the top of a display cabinet

GarryVolchara [31]

Answer:

The area of a circle with radius 0.2865 is 0.2579

Step-by-step explanation:

Area of a circle in terms of radius:

Area = π·r2 = 3.14·0.292 = 0.26 square meters(*)

Area of a circle in terms of diameter:

Area = π·(d2)2 = 3.14·(0.572)2 = 3.14·(0.29)2 = 0.26 square meters(*)

Area of a circle in terms of circumference:

Area = C2

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= 1.82

4π

= 3.24

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2 years ago

Match each expression to the correct point

ziro4ka [17]

Using number line and mental mathematics, the value of u = -√25, t = - 2π, s = -√68

<h3>What is a number line?</h3>

A horizontal line with evenly spaced numerical increments is referred to as a number line. How the number on the line can be answered depends on the numbers present.

The usage of the number is determined by the question that it corresponds to, such as when graphing a point.

As we can observe that

All the points lie on negative axis. The value of u = -√25 = 5

t = -2π = -2×3.14 = -6.28

s = -√68 = - 8.24

To learn more about number line from given link

brainly.com/question/22667895

#SPJ9

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1 year ago