You invest $3,600 in a savings account that earns simple interest of 3%, how much money is in your account after 5 years?

Answer:

Step-by-step explanation:

X^-3=1/343

X^-3=1/7^3

X^-3=7^-3

Since the powers are equal, the bases should also be equal.

Therefore, X=7

The weight of the 125 blue whales in the scientific notation will be 23.75 × 10⁶ kilograms.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

At a specific zoo, the typical mass of one blue whale is estimated to be 190000 kilograms. Utilize logical documentation to communicate the mass of 125 blue whales.

⇒ 190,000 × 125

Simplify the expression in the scientific notation, then we have

⇒ 190,000 × 125

⇒ 23,750,000

⇒ 23.75 × 10⁶ kilograms

The weight of the 125 blue whales in the scientific notation will be 23.75 × 10⁶ kilograms.

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It will take 12.91 years to earn $ 500 in interest  

Compound interest refers to the interest added to a loan or deposit. It is the concept that we employ every day on a regular basis. Amounts are based on both the principal amount and Rate of interest when calculating compound interest. 

The formula used for

P = Principal amount

r = Rate of interest  

n = Number of compounds in a year  

t = Time period in years

And the formula for

Here we have

Principal amount = 1700,

Rate of interest = 2% = 2/100  = 0.02 on decimals  

Given that compound interest gained = $ 500

Number of compounds = 4 times

Let a be the time period

By the given formula,

Amount, A = 1700(1+0.02/4)^4t  

= 1700(1+0.005)^4t    

= 1700 (1.005)^4t  

Compound interest = 1700 (1.005)^4t - 1700

From the given data,

Compound interest = $ 500

=> 1700 (1.005)^4t - 1700 = 500

=> 1700 (1.005)^4t = 2200

=> (1.005)^4t = 1.294

Take logs on both sides

=> log (1.005)^4t = log 1.294

=> 4t log (1.005) = log (1.294)

=> 4t = log(1.294)/log(1.005)

=> 4t = 0.111934276/ 0.00216606176      

[ Use calculator for log(1.294) and log(1.005) ]

=> 4t = 51.6764012

=>  t = 12.9191003  

=>  t = 12.91  

Therefore,

It will take 12.91 years to earn $ 500 in interest

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Answer

The first equation is the same (4x+2y=26), so we only need to compare the second equation. Just by looking at the second equation, you can see that x+y=8 and -2x - 2y = -16 are the same equation because -2 is multiplied to both sides of the equation x+y=8.

By using the concept of vector, it can be calculated that

28) First option is correct

29) Fourth option is correct

What is vector?

Anything that has both magnitude and direction and follow the vector addition law is called vector.

28) The vectors are

[tex]\vec{v} = -2i-5j,[/tex]

[tex]\vec{w} = -3i+j[/tex]

[tex]\vec{v}. \vec{w} = (-2i-5j).( -3i+j) = 6 - 5 = 1\\|\vec{w}|^2 = (-3)^2+(1)^2 = 9 + 1 = 10\\\vec{v_1} = \frac{1}{10}( -3i+j) = \frac{-3}{10}i+\frac{1}{10}j[/tex]

[tex]\vec{v_2} = (-2i-5j) - (-\frac{3}{10}i - \frac{1}{10}j)\\\vec{v_2}= (-2+\frac{3}{10})i+(-5 - \frac{1}{10}j)\\\vec{v_2}=-\frac{17}{10}i - \frac{51}{10}j\\[/tex]

First option is correct

29) P = (1, 2) and Q = (-6, -1)

Position vector = (-6-1)i + (-1-2)j = -7i - 3j

Fourth option is correct

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The top 18 percent of scores fall within two standard deviations of the mean.

Publicly recognized refers to something that is well-known or acknowledged by the public or by a large segment of the population. This could include a famous person, a popular business, or an important event or achievement. Public recognition is often seen as an indicator of success, as it shows that the person or thing being recognized has achieved something noteworthy or has had a positive influence on the public. Examples of publicly recognized things include awards, honors, and other achievements.

Assuming a normal distribution, a student needs to score at least two standard deviations above the mean to be publicly recognized. This is because the top 18 percent of scores fall within two standard deviations of the mean. This can be expressed mathematically as:
P(x > μ + 2σ) = 0.18
where μ is the mean and σ is the standard deviation.

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Answer:

x = 8

y = 2

Step-by-step explanation:

Answer:

86

Step-by-step explanation:

If you did 1,022 divided by 12, you would get something crazy like 85.16666666666. So round up.

(a) 794g of the initial sample will be left in the sample after 25 years. (b) Time taken to decay to half of its original amount is 3.39 years.

Isotopes(200g) are atoms that have the same number of protons in their nucleus, but a different number of neutrons. This means that they have the same atomic number, but a different atomic mass. Because of this, isotopes have different physical and chemical properties. Isotopes can be stable, meaning that they do not undergo radioactive decay, or they can be unstable, meaning that they will undergo radioactive decay over time.

(a) Substituting 25 for t in the expression, we get:

[tex]A(25) = 200e^{0.0541 \times 25}[/tex]

         [tex]= 200e^{1.3525}[/tex]

Thus, after 25 years, there will be

[tex]200e^{1.3525} = 2003.97[/tex]

794 g of the initial sample left in the sample.

(b) We want to find t such that

[tex]A(t) = 200e^{0.0541}[/tex]                                          

       = 100.

Solving for t, we get:

[tex]= 200e^{0.0541} \times t=100[/tex]

Dividing both sides by 200 and applying the natural logarithm to both sides, we get:

0.0541 × t = ln(0.5)

Therefore,

[tex]t = \frac{ln(0.5)}{0.0541}[/tex]

  = 3.39 years.

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Answer:

Step-by-step explanation: Q13 Find the perimeter of the shape

42x *2=84x

72x*2=72x

Perimeter=84x+72x=156x

Q14 Find the perimeter of the shape just add up 3x +(4x+8)+3(x-2)

=3x+4x+8+3*x+3 *-2

=3x+4x+8+3x-6

=3x+4x+3x+8-6......add together like terms and number terms

=10x+2

Answer:

13.) 156x

14.) 10x + 2 or 2( 5x + 1)

Step-by-step explanation:

13.)perimeter of a parallelogram is

p = 2(a + b)

P = 2( 36x + 42x)

P = 2( 78x )

P = 156x

14.) perimeter of a scalene triangle

P = a + b + c

P = 3x + 3(x – 2) + 4x + 8

P = 3x + 3x –6 + 4x +8

P = 6x + 4x –6 + 8

P = 10x + 2

in factorise form

P = 2(5x + 1)

I hope this helps pls rate as brainliest

it would be 1600 i hope this helps

26034 i hope this help man pls pls

x = 7.26

1. Add 11.24 to both sides

-3.98 = x - 11.24

-3.98 + 11.24 = x - 11.24 + 11.24

2. Simplify

Add the numbers:

-3.98 + 11.24 = x - 11.24 + 11.24

7.26 = x - 11.24 + 11.24

Add the numbers:

7.26 = x - 11.24 + 11.24

7.26 = x

Move the variable to the left:

7.26 = x

x = 7.26

x = 7.26

I hope my answer helped you! If you need more information or help, comment down below and I will be sure to respond if I am online. Have a wonderful rest of your day!

Answer:

x = 7.26

Step-by-step explanation:

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other.

First, add 11.24 to both sides of the equation:

-3.98 = x - 11.24

-3.98 (+11.24) = x - 11.24 (+11.24)

Next, simplify.

11.24 - 3.98 = x

x = 7.26

x = 7.26 is your answer.

~

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To find the equation of a line that is parallel to y=−7+4x and passes through the point (-2,-1), we can use the point-slope form of the equation of a line. The point-slope form of the equation of a line is:

y - y1 = m(x - x1)

Where (x1, y1) is a point on the line, and m is the slope of the line.

Since the given line y=−7+4x is in slope-intercept form, we can find the slope by taking the coefficient of x, which is 4. This means that the slope of the line is 4.

We can then use the point-slope form to find the equation of the line that is parallel to y=−7+4x and passes through the point (-2,-1). Plugging in the values for the slope and the point, we get:

y - (-1) = 4(x - (-2))

Simplifying this expression gives us:

y + 1 = 4(x + 2)

Which simplifies to:

y = 4x + 5

So the equation of the line that is parallel to y=−7+4x and passes through the point (-2,-1) is y = 4x + 5.

[tex]~~~~~~ \textit{Continuously Compounding Interest Earned Amount} \\\\ A=Pe^{rt}\qquad \begin{cases} A=\textit{accumulated amount}\dotfill & \$5150\\ P=\textit{original amount deposited}\dotfill & \$4500\\ r=rate\to 7.5\%\to \frac{7.5}{100}\dotfill &0.075\\ t=years \end{cases}[/tex]

[tex]5150=4500e^{0.075\cdot t} \implies \cfrac{5150}{4500}=e^{0.075t}\implies \cfrac{103}{90}=e^{0.075t} \\\\\\ \log_e\left( \cfrac{103}{90} \right)=\log_e(e^{0.075t})\implies \log_e\left( \cfrac{103}{90} \right)=0.075t \\\\\\ \ln\left( \cfrac{103}{90} \right)=0.075t\implies \cfrac{\ln\left( \frac{103}{90} \right)}{0.075}=t\implies\stackrel{\textit{about 1 year and 291 days}}{ 1.8\approx t}[/tex]

The difference between book value and the amount received is $2000

What was the difference between the book value and the amount received ?

van cost = $16000

Estimated life= 4 years

Residual value= $4000

using straight line method of depreciation

Depreciation per year= 16000-4000/4= 3000

Therefore book value after two years = $16000- 2*3000= $10000

Selling price of book after 2 years= $8000

hence the difference between book value and the amount received

10000-8000= $2000

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The first two columns of the table, considering logarithms, are completed as follows:

The table is completed in this problem applying the logarithms.

This is because on the first column we had that:

10^(0.3) = 2, which means that log10(2) = 0.3.

(log10(x) represents the logarithm of base 10 of x).

For the second row, the decimal approximation is found applying the power of 10^0.7, hence:

10^0.7 = 5.

For the third and fourth rows, to obtain the power of 10 expression, we need to calculate the logarithms of these numbers, as follows:

Hence the power of 10 expressions are given as follows:

For the fifth row, we just need to calculate the exponential expression, hence:

10^(0.4) = 2.51.

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Olivia wants to have a 90 average in algebra, where tests count for 55%, quizzes count for 30% and homework counts for 15%. The quiz average is 82%.

It is forming the outcome of multiplying the total of multiple quantities by their sum and then dividing this result by the number of quantities

Given,

She has test count = 55%,

quizzes count = 30%,

homework counts = 15%

If she had

test count = 92%

Homework counts = 100%

quizzes count = ?

Let x be the test count

x = (90 - (0.55(92) + 0.15(100)))/0.30x

  = 82

Olivia must have an 82 average on quizzes in order to have a 90 average in algebra.

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Answer:

Answer:  the correct option is(C) 3, -7.

Step-by-step explanation:

Answer:

y=-1/2x+6

Step-by-step explanation:

slope: -5/10 = -1/2

y=mx+b

y=-1/2x+b

substitute points to find b: 8=-1/2(-4)+b

8=2+b

6=b

After solving the given equation, we know that the value of c is -11.

An equation is a mathematical statement that contains the symbol "equal to" between two expressions with identical values.

As in 3x + 5 = 15, for example.

There are many different types of equations, including linear, quadratic, cubic, and others.

Let's learn more about math equations in this tutorial.

The three primary forms of linear equations are point-slope, standard, and slope-intercept.

Sc, we have the equation:

3c + 7 = c - 15

Now, calculate this equation for c as follows:

3c + 7 = c - 15

3c - c = -15 - 7

2c = -22

c = -22/2

c = -11

Therefore, after solving the given equation, we know that the value of c is -11.

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Three times the quantity of a number c increased by 7 is equal to the same number, c, decreased by 15. What is c in this situation?

The risk-free rate of return on Hilo stock is 1.58%

What is the market risk premium?

Expected return on the stock=risk free rate beta x (expected market return-risk free rate)

14.08%=risk free rate+1.26 x (11.5%-risk free rate)

14.08%=risk free rate+14.49%-1.26 x risk free rate

0.41=0.26 x risk-free rate

risk-free rate=[tex]\frac{0.41}{0.26} %=1.58%[/tex]%=1.58%

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total = 15x + 30

EDIT: She has to mow 8 lawns. I didn't read the question

there you go its that simple

Answer:

Step-by-step explanation:

The grams of coffee beans Diana uses when the company comes is:

                                              62.5 grams

The expression for the discount will be written as d = 0.5L.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that the discount d is 50% of the list price L. The expression for the discount will be written as below,

Discount = 50% of the list price

d = ( 50 / 100) x L

d = 0.5L

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Answer:

1 divided by 7 raised to the third power

Step-by-step explanation:

To find the equivalent expression, we can start by applying the rule for multiplying powers with the same base:

(7^(-2)) * (7^3) = 7^(-2+3) = 7^1 = 7

Then, we can apply the rule for raising a power to a power:

7^1 = (7^1)^(-3) = 7^(-3)

Finally, we can apply the rule for raising a number to a negative power:

7^(-3) = 1 / (7^3) = 1 / 343 = 1/7^3

Therefore, the equivalent expression is 1 divided by 7 raised to the third power.

The long term behavior of the rational function f(x) = (x² - 3) / (x³ + 2) is 0, for the rational function g(x) = (x³ - 3) / (x³ + 2) is 1 and for the rational function h(x) = (x⁴ - 3) / (x³ + 2) does not exist.

In this case we find three rational functions, that is, functions of the form:

m(x) = p(x) / q(x)

Where:

Please notice that both numerator and denominator are polynomic functions, the long run behavior of the function depends on the grades of numerator and denominator according to these rules:

Now we proceed to analyze the long run behavior of each rational function:

Case 1: f(x) = (x² - 3) / (x³ + 2)

Grade of numerator: 2, grade of denominator: 3

Result: 0

Case 2: g(x) = (x³ - 3) / (x³ + 2)

Grade of numerator: 3, grade of denominator: 3

Result: 1

Case 3: h(x) = (x⁴ - 3) / (x³ + 2)

Grade of numerator: 4, grade of denominator: 3

Result: N / A

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The given logarithmic expression can be evaluated as Logc1 = 0.

Logarithm function is defined as the inverse of the exponential function.

If a^(b) = c, then b = log(c) at the base of a.

Logarithm of any number is always positive.

For negative numbers, the logarithm are complex numbers.

The given expression is Logc1.

It implies that it is the logarithm of 1 with c as a base.

Sine, the logarithm of 1 to any base is equal to zero, the given expression can be evaluated as follows,

Logc1 = 0

Hence, the value of the given expression is 0.

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Answer:

[tex]y=x^2-8x+16[/tex]

Step-by-step explanation:

[tex]x=t+4 \implies t=x-4 \\ \\ y=(x-4)^2=x^2-8x+16[/tex]

Answer:

Quotient: 66

Remainder: 1

Step-by-step explanation:

133/2 = 66.5

66.5 =

66 + 0.5 =

66 + 1/2 = 66 1/2

1/2 * 2 = 1  ==> Remainder: 1

Whole number : 66

Quotient: 66

Remainder: 1

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