(8.4x10^11)/(5.25x10^2)(8.0x10^3) express in scientific notation

Answer:

35h+180≤400

Step-by-step explanation:

You multiply 35 by the amount of hours the clown can be at the party (h) and add $180 for the amount of food, which should equate to less than or equal to $400. Hope this helps! :D

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Answer:

35h+180≤400

I did this question, and I got it correct.

The growth formula for the given population is P = 182eⁿˣ and the population in 2004 is 186.98 million

Growth function:

Basically, the growth function means the pattern of data that shows greater increases with passing time, creating the curve of an exponential function.

Given,

A country's population in 1994 was 182 million. In 2002 it was 186 million.

Here we need to find the growth formula and the population in 2004.

According to the given problem, let us consider that the

final population P,

the starting population A, and

the time passed t.

Here we need to determine the value of the growth factor k.

And it can be calculated using the information for the years 1994 and 2002.

Here we know that, A will be 182 million (the population in 1994), P will be 186 million (the population in 2002), and t will be 8 years (the number of years between 1994 and 2002):

⇒186 = 182eⁿˣ⁸

⇒186/182 = e⁸ⁿ

Now, by applying ln to both sides of the equation:

⇒ln(186/182) = ln(e⁸ⁿ)

Using the laws of logarithms:

=> 8n = ln(186) - ln(182)

=> n = [ln(186) - ln(182)] / 8

=> n = 0.0027

Now, let's use this information to determine P in 2004.

Here the value of A will still be 182 million, but t will be 10 years.

Now, we have to apply these values then we get,

=> P = 182e⁰°⁰⁰²⁷ˣ¹⁰

=> P = 182e⁰°⁰²⁷

=> P = 182 x 1.0273

=> P = 186.98

Therefore, there are  186.98 million in 2004.

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Answer:

It can send 2,666 kids to school for a year.

Answer:

[tex]x=-\frac{43}{3}[/tex]

Step-by-step explanation:

[tex]-4(6x+7)=-316 \\ \\ 6x+7=-79 \\ \\ 6x=-86 \\ \\ x=-\frac{43}{3}[/tex]

Answer:

x=12

Step-by-step explanation:

hope this helps! -4(6x + 7) = -316=x=12

The height of the arrow at 2.5 seconds is 71 feet.

Given:

An arrow released from a bow, traveling towards a target 200 yards away,reaches a max height of 42.6 ft in only 1.5 seconds.

1.5 seconds = 42.6 feet

divide by 1.5 on both sides.

1 sec = 28.4 feet

0.5 sec = 28.4/2

0.5 sec = 14.2 feet

2.5 sec = 1.5 sec + 1 sec

= 42.6 + 28.4

= 71 feet

Therefore The height of the arrow at 2.5 seconds is 71 feet.

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Answer:

  8/9

Step-by-step explanation:

You want to know the least fraction of the distribution that lies between 61 and 79 if the mean is 70 and the standard deviation is 3.

Chebyshev's inequality tells you that at most 1/k² of the distribution will lie beyond k standard deviations from the mean.

Here, the given limits are (61 -70)/3 = -3 and (79 -70)/3 = 3 standard deviations from the mean. That is, we can use k=3 to find the maximum fraction that is beyond the interval [61, 79]. That fraction is ...

  1/k² = 1/3² = 1/9

Since this is the maximum fraction outside the given range, the minimum fraction inside the given range is ...

  1 -1/9 = 8/9

At least 8/9 of the number are between 61 and 79.

The income that this settlement  provide at the end of each month is: $813.20.

Monthly amount= $1.500,000 at the end of year 35 years.

Interest rate per month = 7.1/12 = 0.59167% per month

Total periodic cash flow = 35× 12 = 420

Hence,

Future value of annuity = X × [(1+ 0.0059167)^420 -1/ 0.0059167]

Future value of annuity =X × [(1.0059167)^420 -1/ 0.0059167]

Future value of annuity = X × [(1.0059167)^420 -1/ 0.0059167]

Future value of annuity = X × [11.913727 -1 / 0.0059167]

Future value of annuity = X ×  [10.913727 / 0.0059167]

Future value of annuity =X ×  1,844.5633

$1,500,000 = X × 1,844.5633

X = $1,500,000/  1,844.5633

X = $813.20

Hence,

Monthly payment is $813.20.

b. Since the cash flow occur at the end of every  period this means that this is an ordinary annuity.

Therefor $813.20 is the monthly payment.

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The   proceeds  is  $7,566.67 and  the effective rate charged by the bank to the nearest is 6.87%.

Given data:

Principal = $8,000

Rate =6 1/2% or 6.5%

Term= 300 Days

a. Proceeds

Interest  = Principal  x Rate  x Time

Interest  = $8,000 x 6.50% x 300/360

Interest = $8,000 x 0.065 x 0.8333

Interest  = $433.33

Now let find the Proceeds:

Proceeds = $8,000 - 433.33

Proceeds = $7,566.67

b. Effective Interest Rate:

Effective Interest Rate = 433.33 / 7566.67 x 300/360

Effective Interest Rate = 433.33 / 6305.56

Effective Interest Rate = 0.0687 × 100

Effective Interest Rate = 6.87%

Therefore  $7,566.67 is the proceeds and 6.87% is the interest rate.

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The cost for each pound of almond is $3.25 and the cost of each pound of jelly beans is $1.5.

According to the question,

We have the following information:

For 4 pounds of almonds and 8 pounds of jelly beans, the total cost is $25. For 2 pounds of almonds and 3 pounds of jelly beans, the total cost is $11.

Now, let's take the cost of 1 pound of almond to be $x and that of jelly beans to be $y.

We have the following equations:

4x+8y = 25 ...(1)

2x+3y = 11

2x = 11-3y ...(2)

Putting this value of 2x in equation 1:

2(11-3y)+8y = 25

22-6y+8y = 25

22+2y = 25

2y = 25-22

2y = 3

y = 3/2

y = $1.5

Putting this value of y in equation 2:

2x = 11-3y

2x = 11-3*1.5

2x = 11-4.5

2x = 6.5

x = 6.5/2

x = $3.25

Hence, the cost for each pound of almond is $3.25 and the cost of each pound of jelly beans is $1.5.

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The amount engine oil which should be added to a jerry can that contains 4.3 gallons of​ gas is 0.172 gallons.

Given that arborist is preparing the fuel mix for her chainsaw before climbing a tree to remove a dead limb when two-stroke chainsaw requires a 4​% mix of engine oil to gas and the amount of oil should be 4​% of the amount of gas.

We want to find the amount of engine oil which should be added to a jerry can that contains 4.3 gallons of​ gas.

To find the amount of engine oil convert the mixture of engine oil to gas into decimal.

4%=4/100

4%=0.04

Now, we will multiply the above mixture with 4.3 gallons of gas is

4.3×0.04=0.172 gallons

Hence, the amount of engine oil which should be added to a jerry can that contains 4.3 gallons of​ gas when two-stroke chainsaw requires a 4​% mix of engine oil to gas is 0.172 gallons.

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The rate change is $1.50 per miles

The one time pickup fee of every ride = $3.50

The rate charges for every miles traveled = $1.50

Consider the number of miles traveled = x

Then the equation will be

y = 1.50x + 3.50

Where y is the total cost

x is the number of miles traveled

The slope intercept from is

y = mx + b

Where m is the slope of the line

b is the y intercept

Comparing the slope intercept form the given equation

y intercept of the line b = $3.50

Slope of the line m = $1.50 per mile

Hence, the rate change is $1.50 per miles

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At a z-score of 1.80, the percentage of the scores that are better than yours is equal to 3.59%.

In Mathematics, a z-score is sometimes referred to as a z-value or standard score and it can be defined as a measure of the distance between a raw score and the mean, when standard deviation units are used.

Mathematically, the z-score of a given sample score in a normal distribution can be calculated by using this formula:

Z-score = (x - μ)/σ

Where:

Since a score of 85 on a test corresponds to a z-score of 1.80, the percentage of the scores that are better than yours is given by:

P(x > 85) = P(z > 1.80)

P(z > 1.80) = 0.0359

P(z > 1.80) = 3.59%.

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The equation of a line in slope intercept form is expressed as y = 25x +124

A line is defined as the shortest distance between two points. The equation of a line in point slope form is expressed as:

y - y₁ = m(x - x₁)

where;

m is the slope

(x₁, y₁) is any point on the line

Given the following parameters

m = 25

point = (-5, -1)

Substitute into the equation above to have:

y - (-1) = 25(x - (-5))

y+1 = 25(x+5)

Write in slope intercept form

y+1 = 25(x+5)

y+1 = 25x + 125

y = 25x +124

This gives the equation of the line in slope-intercept form.

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The measure of angle 4 is 121 degrees.

We know that the sum of all angles of triangle is 180 degrees.

∠1 + ∠2 + ∠3 = 180°

81° + 40° + ∠3 = 180°

∠3 = 180° - 121°

∠3 = 59°

We can observe that, angle 3 and angle 4 are linear angles.

So, ∠4 + ∠3 = 180°

∠4 = 180° - ∠3

∠4 = 180° - 59°

∠4 = 121°

Therefore, the measure of angle 4 is 121 degrees.

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The polynomial expressions are arranged from least to greatest based on their degree as: I, III, II, IV.

The degree of a polynomial expression can be described as the highest exponential power that the terms of a polynomial has.

For example, if we have the polynomial expression that is given as 5x³ + 2x² + 4, the highest power is 3, therefore, the degree of the polynomial is 3.

Thus:

The degree of x + 2xyz is one.

The degree of 9x³y² is three.

The degree of 18x² + 5ab − 6y is two.

The degree of 4x^4 + 3x² − x − 4 is four.

Therefore, from least to greatest, we have: I, III, II, IV.

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Answer:

if you mean 0.14 + 3.5 the answer is 3.64

Step-by-step explanation:

Line the numbers and decimal point when adding

Answer:2nd down on the first one and 3rd one down on the second question

Step-by-step explanation:

this is a college question ????

and you don't know how to do it ? what happened to you in elementary school ?

there are many different techniques. everybody thinks theirs is the fastest or easiest to understand.

after all, this is just "playing" with numbers, the factors embedded within the dividend.

this is mine. when I was in elementary school, we called this the "long division" :

62.79 ÷ 23 =

we pick the first few positions from the left of the dividend, where we are sure, the divisor fits at least once.

in our case here : 62.

we do an integer divide of 62/23 = 2 (for 3 the dividend would have to be at least 69). this 2 is our first digit of the quotient.

62.79 ÷ 23 = 2

now we multiply the divisor by that digit and subtract the result from the dividend. this gives us a remainder of 16, and we pull down the next position (7) :

62.79 ÷ 23 = 2

- 46

---------

167

now, we pulled the first digit after the decimal point, and we need to set the decimal point there in our quotient :

62.79 ÷ 23 = 2.

- 46

---------

167

now, we repeat the process by integer dividing this new dividend (167) by the divisor (23)

167/23 = 7

this 7 becomes the next digit in our quotient. and we repeat the process of multiplying this by the divisor and subtracting the result from the dividend. this gives us a remainder (6), and we pull down the next digit (9).

62.79 ÷ 23 = 2.7

- 46

---------

167

- 161

----------

69

and again, we repeat by integer dividing the new dividend (69) by the divisor (23)

69/23 = 3

this 3 is the next digit in our quotient.

we multiply it with the divisor and subtract the result from the dividend.

if the remainder is still not 0, we need to repeat the process by pulling the next digit, which would be an invisible 0. and continue.

but luckily, after this the remainder is 0, and we are finished.

62.79 ÷ 23 = 2.73

- 46

---------

167

- 161

----------

69

- 69

--------------

0

so, 62.79 ÷ 23 = 2.73 and 0 remainder.

The probability of the event E i.e an odd number less than 9 is 0.4.

The probability of an event is a ratio of number of favorable outcomes to total number of outcomes. The sum of all probabilities of events must be equal to one. The probability of an event must not be greater than 1.

In event E i.e an odd number less than 9, the number of favorable outcome is 4 i.e. {1,3,5,7}.

The total number of outcomes is whole set S i.e. 10.

So, the probability of event E will be,

P(E) [tex]=\frac{4}{10}[/tex]

=0.4

Therefore, the probability of the event E i.e an odd number less than 9 is 0.4.

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Answer:

Domain:  (-∞, ∞); Range:  (-∞, -4]

Step-by-step explanation:

Domain is the set of all possible input values of a function (or on a graph, the leftmost and rightmost extensions of the function).

Since this is a parabola, the function will extend left and right for negative infinity and infinity respectively.

Range is the set of all possible output values of a function (or on a graph, the uppermost and lowermost extensions of the function).

While the function on this graph will extend downward for negative infinity, the uppermost limit is -4, as y (output) value of the vertex.

The extra revenue generated by the mail is $2.14 billion

From the question, we have the following parameters that can be used in our solution:

Number of mails in a year = 107 billion pieces

Amount generated per mail = 2¢

From the above parameter, we can calculate the total amount generated using the following equation

The total revenue generated by the mail is calculated as

Amount generated = Number of mails in a year x Amount generated per mail

Substitute the known values in the above equation

So, we have the following equation

Amount generated = 107 billion x 2¢

Evaluate the product

Amount generated = 214 billion ¢

Express as dollars

Amount generated = $ 2.14 billion

Hence, the total amount is $2.14 billion

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The estimated cost of mail per year when the rate of postage is raised by 2¢ is

The problem require conversion of units and multiplication

The extra rate of for raising the postage is given to be 2¢

converting 2¢ to dollars gives $0.02

The rate is used to multiply number o f mails which is 107 billion

107 billion = 107 * 10^9, therefore

107 * 10^9 * 0.02

= 214 * 10^7

= 2.14 * 10^9

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The value of 6204 ÷ 4 is 1551

The division is one of the basic arithmetic operations in math in which a larger number is broken down into smaller groups having the same number of it. For example if 30 mangoes are to be shared between 6 students. It shows that 5 mangoes will be given to each student. i.e 30/6= 5

the value of 6204/4 can be obtained by using long division:

4 in 6 gives 1 remainder 2

4 in 22 gives 5 remainder 2

4 in 20 gives 5 remainder 0

4 in 4 gives 1 remainder 0

Therefore the value of 6204/4 = 1551

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The area of the given polygon is  1830 cm².

A polygon is a closed more than two-sided and can be made up of a finite number of straight line segments and is a type of planar figure in geometry.

Each line of the polygonal circuit's segments is referred to as its edges or sides.

We know the area of a square is (side)² and the area of a rectangle is (length×width).

From the given diagram we can think of this polygon as a square having a side length of 46cm and a rectangle having a width (30 - 14) = 16cm and length 21cm, And subtract the area of the rectangle from the area of the square which is,

= (46×46) cm² - (16×21) cm².

= (2166 - 336) cm².

= 1830 cm².

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Answer:

  (a)  The graph has a domain of all real numbers.

  (d)  The graph has a y-intercept of (0, 1).

  (e)  The graph has an x-intercept of (-7, 0).

Step-by-step explanation:

You want to know the correct descriptors of the domain, range, slope, and intercepts of the graph of y = ∛(x-1) +2.

The domain of the cube root function is all real numbers. Hence the graph has a domain of all real numbers.

The range of the cube root function is all real numbers. Hence the graph is not restricted to a range of y ≥ 1.

The slope of the cube root function is positive everywhere. The graph of y is increasing as x is increasing.

The x-intercept is the value of x that makes y = 0.

  0 = ∛(x -1) +2

  -2 = ∛(x -1)

  -8 = (x -1)

  -7 = x . . . . . . . the x-intercept

The y-intercept is the value of y when x = 0.

  y = ∛(0 -1) +2

  y = -1 +2 = 1 . . . . . . the y-intercept

The true statements about the graph are ...

  (a)  The graph has a domain of all real numbers.

  (d)  The graph has a y-intercept of (0, 1).

  (e)  The graph has an x-intercept of (-7, 0).

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The leaking fruit juice container will get empty in 24.24 minutes

converting 2.5 quart to ounce

1 quart is equivlent to 32 fluid ounce, 2.5 quart will be ?

? = 2.5 * 32

? = 80 fluid ounces

The leakage is at 3.3  fluid ounces per minute to find how many minute it takes to leak 80 fluid ounces we calculate as below

3.3 fluid ounces = 1 minute

80 ounces = ?

cross multiplying gives

= 80 / 3.3

= 24.24 minutes

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The solution of the given one-variable equation as shown in the task content is; Choice B; - 1.25.

It follows from the task content that the solution of the given one-variable equation is to be determined.

Since the given one-variable equation is;

0.7h + 6 = 4 - 0.9h

By adding, 0.9h and subtracting 6 from both sides, we have;

0.7h + 0.9h = 4 - 6

1.6h = -2

h = -2/1.6

h = -1.25

On this note, it follows that the solution of the given equation is; h = -1.25.

Consequently, the answer choice which is correct about the solution of the given equation is; Choice B; - 1.25.

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Answer:

Step-by-step explanation:

$ 3750  = truck rental;   $125 per ton of sugar transported C is cost;  S is number of tons transported Equation relating C to S would be a linear equation like y = mx + b C = 125S + $3750 This equation would be graphed in the first quadrant only you would start with your y-intercept at (0, 3750) As x increases by 1, your y increases by 125 yielding these points: (1, 3875)  (2, 4000)  (3, 4125)  etc.   

Answer: The Answer would be -5 is greater.

Step-by-step explanation: The reason why is that if you had 1 and -2  the 1 would be more because it is not negative.