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2 years ago

What are some examples from science and engineering where a quadratic is used but is not a function?

Mathematics

1 answer:

dem82 [27]2 years ago

7 0

Answer:

Quadratic equations are important when designing curved equipment such as auto-bodies. Brake systems are designed by automotive engineers by solving equations that arise. Aerospace engineers also interact with quadratic equations so often in their careers.

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Batteries come in packs of 4. Last month, Joe used 58 batteries in his remote control drone. How many packs of batteries did he

vovangra [49]

It is given that batteries come in a packs of 4. It means in each pack there are 4 batteries.

Joe used 58 batteries . So to find the total number of packets of batteries joe has to open is

Number of batteries used / Total number of batteries in each packet

= 58 / 4

= 14.5

The number of battery can not be in decimal. So we will round the answer to integer. If we round it to 14 it means 14 packets. But in 14 packets there are 14*4 = 56 batteries .

But we know that Joe used 58 batteries. So we will round the final answer to 15.

It means Joe has to open 15 packets of batteries.

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3 years ago

A tailor cuts 3 7/8 yards from a roll of fabric to make one jacket. Which expression gives the number of jackets he can make fro

slava [35]

The expression can be represented as 16 3/4 divided by 3 7/8

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3 years ago

How many times larger is 70 than 7

Dennis_Churaev [7]

Answer:

Step-by-step explanation:

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3 years ago

If a system of equations has no solution, what does the graph look like?

Valentin [98]

Answer:

Step-by-step explanation:

parallel lines

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2 years ago

Read 2 more answers

#19 please I’m literally failing math

ankoles [38]

Answer:

$51.12

Step-by-step explanation:

Hello there!

In number 19, we want to find the total price of a sweatshirt that costs $48 dollars but has 6.5% sales tax

Sales tax is a small percentage of the cost of an item that is added to items when they are being sold.

In this problem, 6.5% of the cost of the sweatshirt will be added to the cost of the sweatshirt in the form of sales tax. The price of the sweatshirt plus the amount in sales tax will be the total cost of the sweatshirt.

Translating that as an equation,

48 + 48*6.5%=total cost

You can calculate 48*6.5% as $\frac{48*6.5}{100}$ , which is equal to 3.12

So that means that $3.12 will be added to the cost of the sweatshirt.

Therefore,

48 + 3.12=<u>$51.12</u>, which will be the total cost of the sweatshirt, including sales tax

Hope this helps!

7 0

2 years ago