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2 years ago

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Exactly 240 years ago students planted a tree in front of their school since did the tree has grown 30 beers taller and the dist

ance around the trunk has increased three beers describe how you could find this information define at least two different unit rates

1 answer:

alexandr1967 [171]2 years ago

5 0

Ok so the units will be taller if u mix it with water

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Michael has $1.95 totally in his collection, consisting of quarters and nickels. The number of nickels is three more than the nu

Triss [41]

1 nickel=$0.05
1 quarter=$0.25
let the number of quarters be x, the number of nickels will be 3+x
thus:
0.05(3+x)+0.25x=1.95
0.05x+0.15+0.25x=1.95
0.30x=1.8
x=6
thus the number of quarters is 6
the number of nickels=6+3=9

4 0

2 years ago

What are the domain and range of f (x) = (one-fifth) Superscript x?

natka813 [3]

Answer:

The domain of the function is all real numbers $(-\infty,\infty)$ and the range is all positive real numbers $(0,\infty)$

Step-by-step explanation:

We have the following function $f(x)=(\frac{1}{5} )^x$ and we want to find the domain and the range.

The function we have is an example of an exponential function $f(x)=b^x$ with b > 0 and b ≠ 1. This types of functions in general have the following properties:

It is always greater than 0, and never crosses the x-axis
Its domain is the set of real numbers
Its Range is the Positive Real Numbers $(0,\infty)$

The domain of a function is the specific set of values that the independent variable in a function can take on.

When determining domain it is more convenient to determine where the function would not exist.

This function has no undefined points nor domain constraints. Therefore the domain is $(-\infty,\infty)$ .

The range is the resulting values that the dependent variable can have as x varies throughout the domain. Therefore the range is $(0,\infty)$ .

We can check our results with the graph of the function.

7 0

2 years ago

Read 2 more answers

Marissa ate six slices of pizza from the 16-piece large pizza. What percent of the pizza did she eat?

olya-2409 [2.1K]

Answer:

0.96%

Step-by-step explanation:

look on google and search dollar times it helps with problems like this

hope this helps

7 0

2 years ago

Rewrite 4/10:1/25 as a unit rate

nata0808 [166]

It's 10. I hope this helps!

5 0

2 years ago

Read 2 more answers

The price of an all-access ticket to the fair is $42.99 before tax. Roland bought the all-access ticket for 40% off. He then pai

yanalaym [24]

<h2>Answer:</h2>

PART A:

$ 1.80558

PART B:

$ 27.59958

<h2>Step-by-step explanation:</h2>

The price of an all-access ticket to the fair is $42.99 before tax.

Also,

Roland bought the all-access ticket for 40% off.

i.e. he will have to pay (100-40)%=60% of the amount of the actual ticket.

This means that the price of ticket after the offer will be:

$=60\%\ of\ 42.99\\\\=\dfrac{60}{100}\times 42.99\\\\=0.60\times 42.99\\\\=\$ 25.794$

Hence, discounted price=$ 25.794

Now, Ronald has to pay 7% sales tax on the discounted price.

i.e.

he has to pay 7% tax on 25.794

i.e.

$=7%\times 25.794\\\\=\dfrac{7}{100}\times 25.794\\\\=0.07\times 25.794\\\\=\$ 1.80558$

PART A:

Hence, the amount of sales tax=$ 1.80588

PART B:

The total amount that he will pay for the ticket is:

Amount of tax+Discounted price

= 1.80558+25.794

= $ 27.59958

7 0

2 years ago