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Andru [333]
3 years ago
5

Please help due today

Mathematics
2 answers:
sergiy2304 [10]3 years ago
8 0

Chips=0.8 dollars

Water=1.6 dollars

Milk=3.4 dollars

saul85 [17]3 years ago
5 0

Answer:

a bag of chips cost .80 cents, a bottle of water cost $1.60 and a gallon of milk cost $3.40

Step-by-step explanation:

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The orbital period, P, of a planet and the planet’s distance from the sun, a, in astronomical units is related by the formula P
mixas84 [53]

Answer:

9.54731702 astronomical units

Step-by-step explanation:

P=a^{\frac{3}{2} }

Substitute this value in the equation above:

29.5=a^{\frac{3}{2} }

⇒ (29.5)^{\frac{3}{2} } =a

⇒ a=9.54731702 astronomical units

Hence, its distance from the sun is 9.54731702 astronomical units.

7 0
3 years ago
Question 3,4&5 Cindy bought a car for $21,330. A few years later she sold the car for $19,700.find the percent of change in
san4es73 [151]

The change in value was 8% which amounts to $1630

Further explanation:

The change in value is calculated by using the initial price and selling price of the car.

Given

Purchase Price = P = $21330

Selling Price = S = $19700

As the selling price is less than the purchase price, Cindy had loss.

Loss=L= Cost\ price-selling\ price\\=21330-19700\\=\$1630

Percentage of loss will be calculated as:

Percent\ loss=\frac{1630}{21330}*100\\=8\%

The change in value was 8% which amounts to $1630

Keywords: Loss, Percentage loss

Learn more about profit and loss at:

  • brainly.com/question/1563227
  • brainly.com/question/1560475

#LearnwithBrainly

6 0
3 years ago
What is the rule for the following sequence: 2, 9, 21, 65
Helga [31]

There is no common ratio or common difference. The first three terms increases more slowly than a cubic, but the last three increase more quickly than the cube of n. The pattern is not obvious to me. When the sequence is cast in recursive terms, you get

... a[n] = (48/13)a[n-2] + (59/39)a[n-1] . . . . a[1] = 2, a[2] = 9

The next term using this rule is 174 34/39, not an integer.

The coefficients p and q for a[n-2] and a[n-1] can be found from

2p+9q=21\\9p+21q=65

_____

Any sequence of 4 numbers can be matched by a polynomial of degree 3 or less. Here, a calculator's polynomial regression function tells us the rule could be

... a[n] = 4.5n³ -24.5n² +49n -27

Using this rule, the next two terms are 168 and 357.

5 0
3 years ago
On the average, a certain light bulb is supposed to last 450 hours. If it
Dafna1 [17]

Answer:

72 novels

Step-by-step explanation:

A number of assumptions are involved regarding operating environment, utilization fraction, and probability of failure as a function of time. The precise meanings of the words "average", "supposed to last", "maximum", and "expect" are involved. The details are too arcane to go into here.

 (450 hours)/(6 1/4 hours/novel)

 = (450/(25/4)) novels

 = (450*4/25) novels

 = 72 novels

6 0
3 years ago
1.How many combinations are possible from the letters HOLIDAY if the letters are taken?
Lesechka [4]

Using the combination formula, it is found that:

1. A. 7 combinations are possible.

B. 21 combinations are possible.

C. 1 combination is possible.

2. There are 245 ways to group them.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

Exercise 1, item a:

One letter from a set of 7, hence:

C_{7,1} = \frac{7!}{1!6!} = 7

7 combinations are possible.

Item b:

Two letters from a set of 7, hence:

C_{7,2} = \frac{7!}{2!5!} = 21

21 combinations are possible.

Item c:

7 letters from a set of 7, hence:

C_{7,7} = \frac{7!}{0!7!} = 1

1 combination is possible.

Question 2:

Three singers are taken from a set of 7, and four dances from a set of 10, hence:

T = C_{7,3}C_{10,4} = \frac{7!}{3!4!} \times \frac{10!}{4!6!} = 245

There are 245 ways to group them.

More can be learned about the combination formula at brainly.com/question/25821700

6 0
2 years ago
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