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muminat
2 years ago
11

Hailey is shopping at a department store during a 20% off everything sale. She also has a coupon for $5.00 off the sale amount.

Hailey wants to keep her total under $65.00 before tax, so she creates this inequality:
0.80x − $5.00 ≤ $65.00.

Which inequality represents all possible solutions for x?
Mathematics
2 answers:
Kipish [7]2 years ago
4 0

Possible inequality:

= x\leq 87.50

tankabanditka [31]2 years ago
3 0
50 bucks, 20 percent of that 50 is 10, which is 50-10=40, then the 5 dollar coupon, 35
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A rectangular tank that is 5324 ft cubed with a square base and open top is to be constructed of sheet steel of a given thicknes
marishachu [46]

Answer:

Side of 22 and height of 11

Step-by-step explanation:

Let s be the side of the square base and h be the height of the tank. Since the tank volume is restricted to 5324 ft cubed we have the following equation:

V = s^2h = 5324

h = 5324 / s^2

As the thickness is already defined, we can minimize the weight by minimizing the surface area of the tank

Base area with open top s^2

Side area 4sh

Total surface area A = s^2 + 4sh

We can substitute h = 5324 / s^2

A = s^2 + 4s\frac{5324}{s^2}

A = s^2 + 21296/s

To find the minimum of this function, we can take the first derivative, and set it to 0

A' = 2s - 21296/s^2 = 0

2s = 21296/s^2

s^3 = 10648

s = \sqrt[3]{10648} = 22

h = 5324 / s^2 = 5324 / 22^2 = 11

4 0
2 years ago
21. In your day-to-day routines, you likely use measurement to cook or do home renovations, such as adding new tile flooring. Ho
sergij07 [2.7K]

Answer:

Depending of the exact career but measurements are plentiful in the healthcare business.

First, you'll most likely deal with weight and height... since that's part of most health care consultations.

Then, if you deal with medication, you'll use grams, milligrams, milliliters, liters all the time. depending if the medication is in solid or liquid form.

Even as a nutritionist, you'll deal with grams and such for portion sizes.

There are countless of ways you'll use maths and measurements in the healthcare sector.  

3 0
2 years ago
Read 2 more answers
What is the answer to 22.5+7(n-3.4)
ruslelena [56]
Expand the given expression.
22.5 + 7(n - 3.4) = 22.5 + 7*n + 7*(-3.4)

Multiply +7 and  -3.4 to obtain - 23.8. Therefore
22.5 + 7(n - 3.4) = 22.5 + 7n - 23.8

Write the constant terms together. Therefore
22.5 + 7(n - 3.4) = 7n + 22.5 - 23.8 = 7n - 1.3

Answer: 7n - 1.3
3 0
2 years ago
You and a classmate have a bug collection for science class. You find 5 out of every 9 bugs in the collection. You find 4 more bug
FrozenT [24]

Answer:

The total number of bugs in the collection is 36

Step-by-step explanation:

Let

x -----> the number of bugs that you find out

y ----> the number of bugs that the classmate find out

we know that

\frac{x}{y+x} =\frac{5}{9}  -----> equation A

x=y+4 ----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

The solution is the point (20,16)

The total number of bugs in the collection is

(20+16)=36\ bugs

5 0
2 years ago
A company produces canned tomatoes. They want the height h of each can to be twice the diameter d. Enter an equation for the sur
lutik1710 [3]

Answer:

The equation is:

(2×π×r×4r)+(2×π×r^2)= A

The maximum radius of the can they will produce = 1.7 inches

Step-by-step explanation:

Please see the attached files for explanation

5 0
2 years ago
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