Please help me!!!!! Its exponents!

Answer:

If the spinner is spun 140 times then a reasonable prediction for the number of times the spinner will land on an even number  = 0.5 [tex]\times[/tex] 140 = 70 times.

Step-by-step explanation:

The sections in the spinner are marked 1, 2, 3, 4, 5, 6, 7, 8

The even sections are 2, 4, 6, 8

There are 4 even sections and 4 odd sections among a total of eight sections.

Therefore the probability of the spinner landing on an even section is 1 / 2 or 0.5.

If the spinner is spun 140 times then a reasonable prediction for the number of times the spinner will land on an even number  = 0.5 [tex]\times[/tex] 140 = 70 times.

Answer:

Step-by-step explanation:

$545*3.25%*2years

=$35.43

Yo sup??

y=3x+12

y-12=3x

x=y/3 - 4

f(y)=y/3 - 4

or

f(x)=x/3 - 4

where f(x) is the inverse of y.

Hope this helps

The inverse relation of [tex]\( y = 3x + 12 \)[/tex] is [tex]\( x = \frac{y - 12}{3} \)[/tex].

To find the inverse of the relation [tex]\( y = 3x + 12 \)[/tex], we start by expressing it in terms of [tex]\( x \)[/tex] and [tex]\( y \)[/tex]:

[tex]\[ y = 3x + 12 \][/tex]

Next, solve for [tex]\( x \)[/tex]:

[tex]\[ y - 12 = 3x \][/tex]

[tex]\[ x = \frac{y - 12}{3} \][/tex]

Thus, the inverse relation is:

[tex]\[ x = \frac{y - 12}{3} \][/tex]

To verify, substitute [tex]\( x \)[/tex] with [tex]\( \frac{y - 12}{3} \)[/tex] back into the original equation:

[tex]\[ y = 3 \left( \frac{y - 12}{3} \right) + 12 \][/tex]

[tex]\[ y = y - 12 + 12 \][/tex]

[tex]\[ y = y \][/tex]

Therefore, the answer is [tex]\( x = \frac{y - 12}{3} \)[/tex].

a. The perimeter of the figure is 4x+34.

b. The total area of figure is 24x+40.

Step-by-step explanation:

Given,

Length of figure = 12

Width of figure = x+5+x = 2x+5

a. Perimeter = Length + Length + Width + Width

Perimeter = [tex](12)+(12)+(2x+5)+(2x+5)[/tex]

Perimeter = [tex]12+12+2x+5+2x+5 = 4x+34[/tex]

The perimeter of the figure is 4x+34.

b. Total area = Length * Width

Total area = [tex]12(2x+5) = 24x+60[/tex]

The total area of figure is 24x+40.

Keywords: area, perimeter

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Answer:

f(t)=15(1.0245)^12t

Step-by-step explanation:

It should be the first answer. Hope this helps:)

Final answer:

When modeling population growth, understanding functions like the logistic map and the Holling Type II functional response is crucial for accurate predictions of species dynamics.

Explanation:

Logistic Population Growth:

When modeling population growth with the logistic map, the most clear representation of monthly population growth is when the function includes a term that represents the rate of growth in relation to the existing population size. This is often seen as a term where the population in the next generation is a function of the population in the current generation multiplied by a constant, representing the fecundity of the species.

Holling Type II Functional Response:

In ecological situations, a commonly used model for predation is the Holling Type II functional response, where the rate of predation is described by a density-dependent function. This function accounts for increasing predation with higher prey density up to a saturation point, reflecting a more realistic portrayal of predator-prey dynamics.

Equilibrium and Growth Dynamics:

Equilibrium in population growth models can be explored using deterministic equations to find expectations, such as exponential growth when the birth rate exceeds the death rate. Understanding growth dynamics entails considering factors like carrying capacity, fecundity, and density-dependent functions to model population behaviors accurately.

Answer:

70+40h=710

Step-by-step explanation:

Based on the cost of the car and the interest rate as well as the period, Jaclyn's monthly payment would be A. $298.81.

First find the amount she financed:

= Cost of car - down payment

= 11,000 - 1,000

= $10,000

Then find the monthly interest and number of periods:

= 4.8%/12                                                          = 3 years x 12

= 0.4%                                                               = 36 months

Monthly payment would be:

Amount financed = Amount x ( 1 - (1 + rate)^-number of periods) / rate

10,000 = A x ( 1 - (1 + 0.4%)⁻³⁶) / 0.4%

10,000 = A x 33.4658758899

Amount = 10,000 / 33.4658758899

= $298.81

In conclusion, option A is correct.

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Answer:

The total cost is calculated to be $105,000.

Step-by-step explanation:

Here,

The cost of per acre land= $60,000

Jack is willing to purchase= 1 ¾acres = [tex]\frac{4*1+3}{4} =\frac{7}{4}=1.75[/tex] acres

Then,

By unitary method,

The cost of one acre land is $60,000 .

The cost of 1.75 acres is    = $[tex]1.75*60,000[/tex]

The total cost of land is =$105,000.

So, Jack has to pay $105,000 to purchase 1.75 acres of land.

To find the total cost of 1 ¾ acres of land purchased at $60,000 per acre, multiply the price by the number of acres. Jack will pay $105,000 for the land.

Jack purchased 1 ¾ acres of land at $60,000 per acre. To calculate the total cost, multiply the price per acre by the total number of acres:

Total Cost = Price per acre x Number of acres

Total Cost = $60,000 x 1.75 = $105,000

Answer:

y = 9

Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = - 15 when x = 5, thus

k = [tex]\frac{y}{x}[/tex] = [tex]\frac{-15}{5}[/tex] = - 3

y = -3x ← equation of variation

When x = - 3, then

y = - 3(- 3) = 9

Answer:4^9

Step-by-step explanation:

To find the cost of gas for Sally's commute, you would multiply the number of gallons she uses daily by the cost per gallon. Assuming a daily use of one gallon at $4 per gallon, Sally would spend $4 per day, $20 per week (5-day workweek), and $1,040 per year (52 workweeks). This does not account for variable factors such as days off or gas price changes.

The student is asking about the cost of gasoline for commuting to and from a job. Since we do not have the exact distance Sally travels or the efficiency of her vehicle, we cannot compute the exact cost per day, week, or year. However, if we assume Sally uses one gallon of gas per day at a cost of $4 per gallon, here's how you calculate the costs:

These calculations are based on the premise of daily one-gallon gas usage and do not take into account vacations, days off, or possible fluctuations in gas prices.

The division of 5/5/8 by 1/2/9 in simplest form is 405/88 after converting the mixed numbers to improper fractions, then multiplying by the reciprocal, and simplifying.

To find the simplest form of the division of two mixed numbers, first, both mixed numbers must be converted to improper fractions. Dividing by a fraction is the same as multiplying by its reciprocal. So, when dividing 5/5/8 by 1/2/9, we first turn these into improper fractions.

5/5/8 becomes 45/8 (since 5*8+5=45) and 1/2/9 becomes 11/9 (since 1*9+2=11). Now the problem is 45/8 divided by 11/9. To divide these fractions, we multiply by the reciprocal: 45/8 * 9/11 = (45*9)/(8*11) = 405/88.

To simplify 405/88, we find the Greatest Common Divisor (GCD) of the numerator and the denominator, which is 1 in this case, so the fraction is already in its simplest form, which is 405/88.

To divide fractions, we need to multiply the first fraction by the reciprocal of the second fraction. The reciprocal of 1/2/9 is 9/2/1. So, the expression becomes 5/5/8 multiplied by 9/2/1. To multiply fractions, we multiply the numerators together and the denominators together. So, (5 x 9) / (5 x 2) x 8 / 1 = 45/10 x 8/1 = 360/10 = 36.

The polygon is rhombus

In geometry, the definition of a polygon is given as a closed two-dimensional figure with three or more straight lines. The Greek word "Polygon" consists of Poly meaning "many" and gon meaning "angle". We see many different polygons around us. For example, the shape of a honeycomb is a hexagon. Each polygon is different in structure, they are categorized based on the number of sides and their properties. Thus, all polygons are closed plane shapes.

Given:

angle measures: 80°, 100°, 80°, 100°

As, the sum of angles is 360

= 80+ 80 +100 +100

= 160 +200= 360

Also, pair opposite angles are equal.

Hence, the given polygon is rhombus.

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Answer:

I am pretty sure its 60 i am sorry if its wrong

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

[tex]22.8 \times 9.8 = 216.58 \\[/tex]

Answer:

x=1.113317

Step-by-step explanation:

Answer:

Therefore the probability of observing a sample proportion that is at least 0.64 =  P(Z ≥ 2.58)  =  1 - P(Z < 2.58) = 1 - 0.9951 = 0.0049

Step-by-step explanation:

It is given that p = 0.6

This is also the mean of the sample

Therefore q  =  1 - p  = 1 - 0.6  = 0.4

The sample size, n = 1000

Therefore standard deviation of the sample  = [tex]\sqrt{\frac{p\times q}{n} } = \sqrt{\frac{0.6\times 0.4}{1000} } = \sqrt{\frac{0.24}{1000} } = 0.0155[/tex]

Z value for the sample proportion that is at least 0.64 [tex]= \frac{0.64 - 0.6}{0.0155} = 2.58[/tex]

Therefore the probability of observing a sample proportion that is at least 0.64 =  P(Z ≥ 2.58)  =  1 - P(Z < 2.58) = 1 - 0.9951 = 0.0049

Final answer:

To find the probability of observing a sample proportion of at least .64 with a population proportion of .60 and a sample size of 1,000, we calculate the standard error, find the Z-score, and then use this score to determine the probability from the standard normal distribution.

Explanation:

The question asks for the probability of observing a sample proportion of at least .64, given a population proportion (p) of .60 and a sample size of 1,000. To solve this problem, we use the normal distribution model for proportions because the sample size is large enough.

First, we calculate the standard error (SE) of the sampling distribution using the formula SE = [tex]\sqrt{[(p(1-p))/n],[/tex]where p is the population proportion and n is the sample size.

In this case, SE = sqrt[(0.6*0.4)/1000]. Next, we find the Z-score, which tells us how many standard deviations the sample proportion (.64) is away from the population proportion (.60), using the formula Z = (P' - p)/SE, where P' is the sample proportion. Finally, we use the Z-score to find the probability from the standard normal distribution table.

Answer:

40 Nickels

Step-by-step explanation:

Answer:

1

Step-by-step explanation:

you are just multiplying by the reciprocal here which would make this equal to 1

Answer:

x=4.5 inches

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The perimeter of a hexagon is the sum of its six length sides

Let

x ----> the length of a shorter side

y ---> the length of a longer side

The perimeter of the hexagon is equal to

[tex]P=4x+2y[/tex]

[tex]P=52\ in[/tex]

so

[tex]52=4x+2y[/tex] ---->equation A

Each longer side measure 1 in. less than 4 times the length of a shorter side

so

[tex]y=4x-1[/tex] ----> equation B

substitute equation B in equation A

[tex]52=4x+2(4x-1)[/tex]

Solve for x

[tex]4x+8x=52+2\\12x=54\\x=4.5\ in[/tex]

write a number and then put a point after it and then add more numbers after

Answer:

you can put  a point basically a period after a number for instance 10.7 is a decimal or 0.66

Step-by-step explanation:

1/4 is = to 0.25 in decimal form

Answer: 80 ounces

Step-by-step explanation: lbs is the abbreviation for pounds and oz is the abbreviation for ounces.

To convert 5.5 pounds into ounces, first find the conversion factor for pounds and ounces which is shown below.

16 ounces = 1 pound

Next, notice that we're going from a larger unit, pounds, to a smaller unit, ounces. When we go from a larger unit to a smaller unit we multiply.

So here, we multiply 5.5 pounds times the conversion factor, 16 to get 88 ounces. This means that 5.5 pounds is equal to 88 ounces.

5.5 lbs is equal to 88 oz because 1 pound is equal to 16 ounces.

To convert pounds (lbs) to ounces (oz), you need to know that 1 pound is equal to 16 ounces.

1 pound=16 ounces.

Now we have to find out how many ounces are in 5.5 pounds.

To find this we have to multiply 5.5 by 16.

5.5 lbs×16 oz/lb

= 88 oz

Therefore, 5.5 lbs is equal to 88 oz.

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Answer:

22.95

Step-by-step explanation:

91.80÷4=22.95

Therefore, 99.80÷4 is 22.95

120 says is 1/3 of a year.

Interest = 1500 x 0.15 x 1/3 = $75

Proceeds = 1500 - 75 = $1425

Answer: Interest = 1500 x 0.15 x 1/3 = $75

Proceeds = 1500 - 75 = $1425

Step-by-step explanation:

Hope this helps:)

Answer: 3 1/2

Step-by-step explanation:

Answer:

The angle is  45

Step-by-step explanation:

I did this lol.

Answer:

3 (x^2 +1)/x

Step-by-step explanation:

To simplify the expression 3y + 6 divided by 2x, divide each term by 2x separately.

The expression 3y + 6 divided by 2x can be simplified by dividing each term by 2x.

This can be done by dividing 3y by 2x and dividing 6 by 2x separately.

Simplifying further, the expression becomes:

(3y + 6)/2x

This is the simplified form of the given expression.

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Answer:

25*3 or 25(3)

Step-by-step explanation:

Understanding arithmetic operations, like multiplication, and the order of operations, is essential in algebra. Parentheses dictate the order, as seen in '2 + (3 x 5)', resulting in 17. For algebraic manipulation, this understanding helps when working with variables and complex expressions like cubing exponentials or solving simultaneous equations.

When faced with the phrase '25 multiplied by 3 algebraic expression', we might interpret this as the task of multiplying an algebraic expression by 25. Considering the examples provided, the manipulation of parentheses greatly influences the outcome of mathematical expressions.

The expression 2 + (3 x 5) includes parentheses, which indicate that multiplication should occur before addition, following the order of operations (PEMDAS/BODMAS). Here, the product of 3 and 5 is 15, and adding 2 results in 17.

However, if we were to apply the principle of algebraic multiplication to an unknown variable, say 'x', the expression would be 25x. If 'x' was the expression (2 + (3 x 5)), then 25x would be 25 times 17, or 425, after applying the order of operations within the parentheses.

Applying this method to simultaneous equations or Cubing of Exponentials, we can see the importance of understanding the principles of algebra and arithmetic operations.

When cubing exponentials, for example, you multiply the exponent by 3. This concept is crucial for solving more complex algebraic problems like those involving unknowns and linear equations.