You decide to buy a car that costs $19,000. You've heard that the car may
depreciate at a rate of 14% per year. At that rate, what will the car be worth
in six years?

Answer: 15/14

Step-by-step explanation:

Use the slope formula: y2-y1/x2-x1

Apply that:

-15-0/-11-3 = -15/-14 = 15/14

The standard error of the mean is 2.63.

The standard error simply means the statistical term that's used to measure the accuracy through which the sample distribution illustrates a population by using the standard deviation.

In this case, the effect of using standing height desks on the energy expended by nine elementary school students was studied.

The standard error will be:

= s /✓n

where

s = standard deviation

n = number of students = 9

= 7.9 / ✓9

= 7.9 / 3

= 2.63

The standard error is 2.63.

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Answer: 3 hours and 20 minutes

Step-by-step explanation:

From the equations , the company A is selling the phone for less money

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

The equations for Company A :

The smart phone price per month = $ 35.50

The smart phone price for 1 year = $ 35.50 x 12

                                                      = $ 426

The price for 1/12 th of a phone = $ 35.50

The price for the entire phone = ( Price for 1/12 th of a phone ) x 12

                                                   = $ 35.50 x 12

                                                   = $ 426

Now , The equations for Company B :

The smart phone price per month = $ 18.00

The smart phone price for 2 year = $ 18.00 x 24

                                                        = $ 432

The price for 1/24 th of a phone = $ 18.00

The price for the entire phone = ( Price for 1/24 th of a phone ) x 24

                                                   = $ 432

Therefore , we can clearly see that price of the smart phone offered by Company A is lesser than price of the phone offered by Company B

And , $ 426 < $ 432

Hence , from the equations , the company A is selling the phone for less money

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The algebraic expression to represent the given situation is 24/x where x is the number of students.

According to the question,

We have the following information:

Some students equally share 2 baskets of apples. Each basket has 12 apples.

Now, this situation can be presented to find the number of apples each student had.

Let's take the number to students to be x.

(x is the variable in this case.)

Number of apples one student had = total number of apples/number of students

Number of apples one student had = (2*12)/x

Number of apples one student had = 24/x

Hence, the algebraic expression to represent the given situation is 24/x where x is the number of students.

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The rate of change, -7/3, in the equation means: the average weight of strawberry decrease by 7/3 grams at every 1°F increase in temperature.

A linear equation is often expressed in the form of y = mx + b, which is the slope-intercept form, where the rate of change is the value of the variable "m" in the equation, and b is the starting or initial value.

Given the equation, y = -7/3x + 72.75, in slope-intercept form, where:

Therefore:

-7/3 in the equation represents the rate of change.

72.75 represents the starting value or y-intercept.

The rate of change, -7/3, in the context of this situation as represented in the equation can be described as: 7/3 grams average weight that is decayed at every 1°F increase in temperature.

Therefore, the statement that best describes the rate of change is: There is 7/3 grams decrease in weight of the strawberry at every 1°F increase in temperature.

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Using the properties of logarithm we get the value y = 100x⁻¹ in the exponential form axⁿ

The given logarithmic equation is :

log ₁₀y + log ₁₀x = 2

Now we know that: 1 = log₁₀10

∴log ₁₀y + log ₁₀x = 2× log₁₀10

or, log ₁₀y + log ₁₀x = log₁₀10² (10 raised to the power 2)

or,  log ₁₀y + log ₁₀x = log₁₀100

we know that log p+ log q = log pq

or, log ₁₀xy =  log₁₀100

Now we take antilog on both sides of the equation:

or, xy = 100

or, y = 100 / x

or, y = 100x⁻¹

Problems that cannot be solved using the concept of basic exponents alone can be solved with a logarithm. Simply said, a logarithm is another way to talk about exponents.

A relatively simple way to remember this is that base remains the base in both forms and base does not remain solely with exponent in log form. Be aware that "b" is the base on both the left and right sides of the implies symbol, and that when an equation is written in log form, the base b and exponent x do not necessarily stay on the same side of the equation.

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Answer:

Step-by-step explanation:

13n=78        /13

n= 6

The correct answer is Men continue to earn more than women.

The average yearly wages of men and women are different from one another. Men make more money than women do.

What is the annual salary?

Annual earnings may also be referred to as annual income or yearly income. It displays a person's earnings over a specific time period.

The yearly earning of a person or a corporation is calculated by dividing the monthly earnings by the number of months in a year.

Men continue to earn more than women under the situation mentioned above, hence their wages are higher. The red line is always above the blue line.

As a result, choice A is accurate which is men continue to earn more than women.

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Answer: C. women's earnings have increased in relation to men's earnings

Step-by-step explanation:

The chart shows that

The amount in the account after the daily deposit for 5 days is $5

The given parameters i the question are represented as follows

Initial balance = -$30

Daily deposit = $7

Number of days of deposit = 5

The equation that represents the amount in the account is represented as

Amount = Initial balance + Daily deposit * Number of days

Substitute the known values in the above equation So, we have the following equation

Amount = -30 + 7 * 5

Evaluate

Amount = 5

Hence, the amount is $5

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Answer: The base is 4.8 sq inches.

Step-by-step explanation: The formula for a triangle is (B x H) x 1/2. Knowing this, we can double 8.64 to nullify the 1/2. This gives us 17.28. 17.28 divided by 3.6 gives us 4.8

Answer:

4.8

Step-by-step explanation:

The area of a triangle is half the base times the height.

[tex]0.5*b*3.6=8.64 \\ b = \frac{8.64}{0.5*3.6}[/tex]

The accuracy of the USA Today claim about the access the internet read the international news online by adults is 0.089.

We have provided in question that,

adults who access the internet read the international news online is 44% i.e 0.44

this provides the interval ( .344, .522)

Using the estimation formula (E) or margin error

= Z-value √(p (1-p)/n

where, p --> Sample proportion of sucess

1-p = q ----> sample proportion of failure

n ---> sample size

Now, a random sample of 120 adults is considered for survay.

i.e., n= 120 and 52 adults out of 130 are responded "yes" for reading international news online.

so, p = 52/120 = 0.433 and 1-p = q = 1-0.433

= 0.567

Confidence interval to test the newspaper's claim is 95% . Thus, the Z-value for 95% confidence interval is 1.96..

putting the value in above formula we get,

E = 1.96 √0.433×0.567/120 = 1.96√0.2455/120

= 1.96√0.00204 = 1.96× 0.0452 = 0.0889 ~ 0.089

So, accuracy is 0.089 to support the claim of newspaper.

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Answer:

[tex]y=\frac{1}{2}x[/tex]

Step-by-step explanation:

I don’t know exact what is being asked but I got this

slope intercept form is y=mx+b

m=slope

b=y intercept

[tex]y=\frac{1}{2}x+0[/tex]

[tex]y=\frac{1}{2}x[/tex]

Hopes this helps please mark brainliest

"-4(x-1)+6x=2(17-x)" for X

Exact Form: x= 15/2= 7-1/2

decimal form: X=7.5

Answer:

Step-by-step explanation:

1 ) multiply the number with the brackets (-4x -4 = 34 - 2x)

2) collect the like terms (-4x + 2x = 34 + 4)

3) -2x = 38

4) x = 38/-2

5) x = -19

Answer:

Step-by-step explanation:

The goal for the fundraiser is to earn $50.00 each day

90%  of 50= $45

106%  of 50=$53

86%  of 50=$43

after the three days they earned:

45+53+43=$141

Members earn $141 from ticket sales on all three days.

A ratio or value that may be stated as a fraction of 100 is called a percentage. And it is represented by the symbol '%'.

Given:

The members of a school club are selling tickets for a fundraiser.

The goal for the fundraiser is to earn $50.00 each day from ticket sales. The list below shows the percent of the goal reached each day.

1).

On the first day, the members earned 90% of their daily goal.

90% of 50

= 90 x 50 / 100

= 4500/100

= $45

2).

On the second day, the members earned 6% more than their daily goal.

That means,

50 + 6% of 50

= 50 + 6 x 50 / 100

= $53

3).

On the third day, the members earned 14% less than their daily goal.

That means,

50 - 14% of 50

= 50 - 14 x 50 / 100

= $43

The total earning = $45 + $53 + $43

= $141

Therefore, $141 is the total earning.

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As per given information about selling of almonds from Monday to Thursday , answer of the following questions are as follow:

a. Amount of almonds sold on Friday as per given condition is equal to

13 kg.

b. Amount of almonds he sells from Monday to Thursday is equal to 13kg.

As given in the question,

Amount of almonds sold by Tariq from Monday to Thursday are as follow:

Monday  = 2 kg

Tuesday = 4kg

Wednesday = 3 kg

Thursday = 4kg

a. Condition given:

Amount of almonds sold on Friday is equal to total sold quantity of previous four days that is Monday to Thursday

= (2 + 4 + 3 + 4) kg

= 13kg

b. Amount of almonds Tariq sell from Monday to Thursday is

= (2 + 4 + 3 + 4) kg

= 13kg

Therefore, as per given information about selling of almonds from Monday to Thursday , answer of the following questions are as follow:

a. Amount of almonds sold on Friday as per given condition is equal to

13 kg.

b. Amount of almonds he sells from Monday to Thursday is equal to 13kg.

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Perimeter of the park = 10km

Part of the wall's construction completed =

[tex] \frac{4}{5}th \: of \: perimeter [/tex]

=

[tex] \frac{4}{5} \times 10[/tex]

(cancel 5 and 10)

=

[tex] \frac{4}{1} \times 2[/tex]

= 8km

•.• Part of the wall left (to be constructed) = 10km - 8km = 2km

HOPE THIS HELPS YOU

Answer:

The smaller number must be 12

Step-by-step explanation:

Ignoring the second sentence we can make an expression from the question :

x is larger number

y is the smaller number

x = 2y + 12

Now we substitute 36 for x and solve for y :

36 = 2y + 12

Subtract 12 from both sides :

24 = 2y

Divide both sides by 2 :

12 = y

y = 12

The smaller number must be 12.

But let's check :

12 × 2 = 24

24 + 12 = 36

✅

Hope this helped and have a good day

The sum of angles 3 and 4 is equal to 180 degrees, therefore: A: true; this would be enough information to say that the lines are definitely parallel.

When two lines are intersected by a transversal, and the same-side interior angles are supplementary, that is are equal to 180 degrees, then we can state that the two lines are parallel to each other based on the converse of the same-side-interior angles theorem.

Given the following information:

Angle 4 and angle 3 are same-side-interior angles, thus:

89 + 91 = 180°

This means that, the sum of angle 4 and 3 are supplementary. Lines g and h are therefore parallel to each other.

In summary, our answer would be: A: true; this would be enough information to say that the lines are definitely parallel.

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Answer:

true

Step-by-step explanation:

slope of a line that is perpendicular to the line y=-3x is 1/3

What is slope of line?

A line's slope in mathematics is defined as the ratio of the change in the y coordinate to the change in the x coordinate. Both the net change in the y-coordinate and the net change in the x-coordinate are denoted by y and x, respectively. where "m" represents a line's slope. So, the slope of a line is tanθ.

y=-3x

tanθ=slope = y/x= -3

Slope(M) of this equation is -3

Let the slope of its perpendicular line is m

As we know that the product of the slopes of perpendicular lines is -1

so,

M*m =-1

-3 * m= -1

m=1/3

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The values of x that makes the equation (x - 3)/x = - 8/(x + 3) true are x = - 9 and x = - 1.

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

The given equation is (x - 3)/x = - 8/(x + 3).

(x + 3)(x -3) = - 8x.        (a² - b² = (a + b)(a - b))

x² - 9 = - 8x.

x² + 8x - 9 = 0.

x² + 9x - x - 9 = 0.

x(x + 9) - 1(x + 9) = 0.

(x + 9)(x + 1) = 0.

x + 9 = 0 Or x + 1 = 0.

x = - 9 Or x = - 1.

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The constant of proportionality in a graph, table or ordered pairs is divide y by x

Ising a graph, the constant of proportionality is the constant value of the ratio obtained from two proportional quantities.

How to obtain a constant of proportionality?

The constant of proportionality is the slope of the graph of a straight line.

The slope of a graph of a straight line is determined by:

Slope = rise /run or increase in y/increase in x or decrease in y/decrease in x

In conclusion, rise in y/run in x determines the constant of proportionality.

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The value of E[X Y] is 44.25.

According to the question,

E[X] = ∑ x × P(X=x)

=0×P(x=0) + 5×P(x=1) + 10×P(x=2)

= 0+5×(0.49)+10×(0.31)

= 5.55

E[Y] = ∑ y × P(Y=y)

=0×P(x=0) + 5×P(x=5) + 10×P(x=10) + 15×P(x=15)

= 0+5×(0.49)+10×(0.31)+15×(0.21)

= 8.55

Now,

E [X²] =  ∑ x² × P(X=x)

= 0²×P(x=0) + 5²×P(x=1) + 10²×P(x=2)

= 0 + 25×0.49 + 100×0.31

= 43.25

E[Y²] = ∑ y² × P(Y=y)

= 0²×P(x=0) + 5²×P(x=5) + 10²×P(x=10) + 15²×P(x=15)

= 0 + 25×0.49 + 100×0.31 + 225×0.21

= 92.25

Therefore , V[X] = E[X²] - {E[X]} = 43.25 - 30.8025 =12.4475

V[Y] = E[Y²] - {E[Y]}² = 92.25 - 73.1025 = 19.1475

E[X Y] = ∑xy P(X=x, Y=y)

= {0×0×P(X=0,Y=0)} + {0×5×P(X=0,Y=5)} + {0×10×P(X=0,Y=0)} + {0×15×P(X=0, Y =15)} + {5×0×P(X=5,Y=0)} + {5×10×P(x=5,Y=10)} +  {5×5×P(x=5,Y=5)} +  {5×15×P(x=5,Y=15)} + {10×0×P(x=10,Y=0)} + {10×5×P(x=10,Y=5)} + {10×10×P(x=10,Y=10)} + {10×15×P(x=10,Y=15)}

= 0+0+0+0+0 + {50×0.20} +{25×0.15} + {75×0.10} + 0 + {50×0.15} + {100×0.14} + {150×0.01}

= 10 + 3.75 + 7.5 + 7.5 + 14 + 1.5

Hence the final answer is = 41.25

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Answer: Let the number = x

5x+10 = 120

Or, 5x = 120 - 10

Or, 5x = 110

Or, x = 110/5

Or, x = 2

Step-by-step explanation:

Answer:

Exact answer 32[tex]\pi[/tex]

Estimate 100.48

Step-by-step explanation:

Circuference = [tex]\pi[/tex](diameter)  Diameter is the distance across the cirlce going throught the middle

c = 32[tex]\pi[/tex]

Estimate

c = 3.14(32)

100.48

Answer: I believe this is True!

Step-by-step explanation:

I know what associative property and that seems like a example.

And if its false then answer should be false.

Try True, if not True then False!

The Central Angle of the sector in radians is  0.3184 π  .

In the question ,

it is given that ,

the radius of the sector = 24 m

the area of the sector = 288 m²

we know that the Area of the sector of the circle is given by the formula

Area = πr²(θ/360)

Substituting the values , we get

288 = (3.14)*(24)²*(θ/360)

θ = (288*360)/((3.14)*(24)²)

θ = 1,03,680/1808.64

θ = 57.32°

converting the angle to radian ,

we get

θ = 57.32° ×  π/180 radian

= 0.3184 π

Therefore  , The Central Angle of the sector in radians is  0.3184 π  .

The given question is incomplete , the complete question is

A sector of a circle of radius 24 m has an area of 288 m² . find the central angle of the sector in radians .

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Answer:

120

Step-by-step explanation:

Number sold at rs180 = x

Number sold at rs330 = y

x + y = 200

180x + 330y = 48000

x = 200 - y

180(200 - y) + 330y = 48000

36000 - 180y + 330y = 48000

48000 - 36000 = 330y - 180y

12000 = 150y

12000/150 = y

y = 80

x = 200 - 80

x = 120

The individual statements which would provide enough information to conclude that line r is perpendicular to line p are m∠3 = m∠6, m∠6 = 90°, and m∠5 + m∠4 = 90°. Option B, option C, and option E are correct.

First, let us understand the angle formed by intersecting lines:

The types of angles formed by intersecting lines are adjacent angles, vertical angles, etc.

We are given;

The figure shows lines r, n, and p intersecting to form angles 1, 2, 3, 4, 5, and 6.

All 3 lines lie in the same plane.

If line r is perpendicular to line p, then;

m∠1 + m∠2 = m∠5 + m∠4 = 90° (Vertical angles)

m∠3 = m∠6 = 90° (Vertical angles)

Thus, the individual statements which would provide enough information to conclude that line r is perpendicular to line p are m∠3 = m∠6, m∠6 = 90°, and m∠5 + m∠4 = 90°. Option B, option C, and option E are correct.

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Answer:

$455.75

Step-by-step explanation:

End amount = 200.00(1 + 0.04)^(21) = $455.75