write the exponential equation given a starting value of 7.5 and a decay rate of 7.5%

Answers

Answer 1

Answer:

A used car has a value of $15,250 when it is purchased in 2012. The value of the car decreases at a rate of 7.5% per year.

Write an exponential function that models the value of the car, y, over x years.

To the nearest cent, what will be the value of the car after eight years?

Step-by-step explanation:


Related Questions

Round it to the nearest ten thousand.


835,834


Round it to the nearest hundred.

96,625

Answers

Answer:

the 1st - 840,000 2nd-96,600

Which inequality best represents that icecream at -3⁰C is cooler than icecream at 1⁰C?​

Answers

Answer:

Ice cream at -3 c is cooler than 1 C therefore since you are looking to know which one is cooler > would be the best option.

Step-by-step explanation:

Have a wonderful day!

Solve for X Please show your work.
(x+3)/(x^2-9)=(2x+7)/(x^2+2x-15)

Thank you

Answers

The answer is X=-2, explanation in the picture.

what is 5/100 written in decimal

Answers

The answer is 0.05 i hope this helped you !

Answer:

0.05

Step-by-step explanation:

Hope it helps:)

Simplify as far as possible.
√108 − 2 √300

Answers

Answer:

√108 − 2 √300

6v√3 − 20√3

One grain of this sand approximately weighs 7 x 10^-5 g. How many grains of sand are there in 6300 kg of sand ? Give your answer in standard form

Answers

Answer:

90 000 000 000 Grains

Step-by-step explanation:

one grain equal approximately 0.00007 grams.

convert 6300 kg into grams (multiply by 1000) and that equals 6 300 000g.

divide that by the weight of a single grain and you get the number of grains in that weight. So 6300000/0.00007=90 000 000 000 grains.

The number of grains of sand are there in 6300 kg of sand is 90,000,000.

What is scientific notation?

Scientific notation is a method for expressing a given quantity as a number having significant digits necessary for a specified degree of accuracy, multiplied by 10 to the appropriate power such as [tex]1.56\times10^7[/tex].

Given that, one grain of this sand approximately weighs [tex]7\times10^{-5}[/tex] g.

6300 kg of sand

Number of grains = [tex]\frac{6300}{7\times10^{-5}}[/tex]

= [tex]900\times10^5[/tex]

= 90,000,000

Therefore, the number of grains of sand are there in 6300 kg of sand is 90,000,000.

To learn more about the Scientific notation visit:

https://brainly.com/question/18073768.

#SPJ2

An article reports that men over 6 feet tall earn more than men under 6 feet, with these numbers: average 6 foot plus male’s salary $55,000, average male’s salary under 6 foot tall of $47,000, with a p-value of 0.45. Based on that reported p-value, and using the common definition of "statistical significance," which is the case?
a. With that p value, the results are not significant.
b. The salary differences are statistically significant.
c. The salary differences are not statistically significant.
d. With that p value, the differences are very close but not statistically significant.

Answers

Answer:

A

Step-by-step explanation:

The salary differences are found to be statistically significant.

What is Statistical Significance?

Statistical significance refers to the claim that a result from data generated by testing or experimentation is not likely to occur randomly or by chance but is instead likely to be attributable to a specific cause.

It is given that

Average 6 foot plus male’s salary = $55,000

Average male’s salary under 6 foot tall = $47,000

p-value = 0.45

As the p-value 0.45 is greater than p-value 0.05,

So statement men over 6 feet tall earn more than men under 6 feet is acceptable, we can say that salary differences are statistically significant.

Therefore, The salary differences are found to be statistically significant.

To get more about statistical significance visit:

https://brainly.com/question/15848236

helppppppppppppppppppmeeeeeeeeeeeeeeeeeeeeeeeeee

Answers

I divided 56 by 4 to see how much per CD Brad payed. This got me $14. $42 divided by $14 is $3, so he can buy 3 CDs.

Answer:

3

Step-by-step explanation:

For each CD:

$56÷4=$14

Therefore for $42,

$42÷$14=3

Brad can purchase 3 CD'S.

Hope this helps!

Hope this helps!please mark BRAINLIEST.

Find the sum of -8x^2+3 and -9x^2+3x-3

Answers

Answer:

-16x, and 3(x−28)

Step-by-step explanation:

-8x^2+3=-16,

Multiply 2 times −8.

which should get you −16x^2−1

Subtract 1 from 2, then you have −16x^1. For any term t, t ^1=t. so then it is -16x.

−9 ^2+3x−3

Calculate 9 to the power of 2 and get 81.

−81+3x−3

Subtract 3 from −81 to get −84.

=−84+3x

and if you need help with algebra  https://mathsolver.microsoft.com/ will help!

or

What is the length of the hypotenuse? If necessary, round to the nearest tenth.
c 35 84

Answers

length is 84

c 35 is hypotenuse

equals 120 neareast tenth

Jessica plants a seed 3 1/2 inches below the ground. The plants grows from 15 3/4 inches . What is the height of the plant above ground?

Answers

Answer:

49/4 inches

Step-by-step explanation:

Inches below ground=  3 1/2 inches

Plant's full  height=15 3/4 inches

Height above ground = 15 3/4 inches -3 1/2 inches

63/4 - 7/2

63-14/4

49/4 inches

[tex]\sf x-5=16[/tex]

Answers

Answer:

x=21

Step-by-step explanation:

[tex]x-5=16[/tex]

[tex]x-5+5=16+5[/tex] (Add 5 to bth sides)

[tex]x=21[/tex]

28-(3x+4)=2(x+6)+x How would you solve this??? Please add step by step explanation

Answers

Answer:

x = 2

Step-by-step explanation:

HELP PLSSS THIS IS HARD SOMEONEEE

Answers

Answer:

2 option

Step-by-step explanation:

mark me as brainliest

Answer:

Oh Im so Sorry But U Can Do It

Select all of the number of ways in which a line
and a circle can intersect.

Answers

Answer:

0, 1, 2

Step-by-step explanation:

Hi there!

0

It is possible for a line and a circle to not intersect at all.

1

It is also possible for a line and a circle to meet at one point only. They would be tangent to each other and touch.

2

Finally, it is possible for a line to intersect the circle. They would appear overlapping. In any of these cases where a line intersects a circle, they would have crossed the circle at two points.

3

A line and a circle can only have a total number of 2 intersection points.

I hope this helps!

please help me thank you

Answers

Answer:

2.4 cm

Step-by-step explanation:

1.2/3 = 0.96/x

x = (3 *0.96) / 1.2

x = 2.4 cm

multiplicative inverse of 7 raised to -2​

Answers

Answer:

The multiplicative inverse of 7 raised to - 2 is 72. Not actual 72 but 7 to the second power.

Step-by-step explanation:

Can you use the perpendicular bisector theorem to solve for RS?
a)yes
b)no

Answers

Answer: YES! (Option A)

Reasoning:

• A bisector is a Geometric figure line or line segment that intersects a line or shape at the midpoint and divides it into 1/2 or a 1:1 ratio.

• Therefore, a perpendicular bisector is a bisector that intersects a Geometric figure at 90°.

• Because a bisector divides a figure into two equal parts, a perpendicular bisector splits a figure into two congruent parts with a 90° intersection.

• Therefore, with perpendicular bisector RT, segments UR and RS are congruent.

• So, segment UR = 17, which means that segment RS = 17 because the bisector splits it into two halves or congruent parts.

answer this plzzzz!!!

Answers

If x is greater than 7, you use the bottom equation. If X is in between -4 and 7 or equal to 7, use the first equation.

Part A: x is -3 so we use the first equation

X + 7 = ?
-3 + 7 = 4

Part B: again first equation

0 + 7 = 7

Part C:

4 + 7 = 11

Part D:

7 + 7 = 14

Part E: 10 is greater than 7. Use second equation.

-x^2 - 1 = ?

-(10^2) - 1

-100 - 1 = -101

Write 5.2 . 10-2 in standard form.​

Answers

Answer:  5.2×103. = 5.2×1000. = 5200

Step-by-step explanation:

plz help thisnif for a grade!. The tape diagram below represents how much time you and your friend spend time studying. You study for 45 minutes how many minutes does your friend study​​

Answers

I need a better picture of the entire diagram to solve

y=-4(x-2)^2+4 what is the vertex and axis of symmetry of this equation?

Answers

Answer:

Step-by-step explanation:

for vertex

x-2=0 gives x=2

when x=2,y=4

vertex (2,4)

axis of symetry

x-2=0

Giving right answer branleist

Answers

In the photo below shows you the information you need

solve using substitution method2x + 8y = 4x = -4y - 2

Answers

It is (-6 / +2) - (4z +9
I think it would be (-2/5,-1/10)

Find the x- and y-intercepts for : 4y-6x = 24

Answers

Answer:

y-intercept = (0, 6)

x-intercept = (-4, 0)

Step-by-step explanation:

The y-intercept is the point on the graph where it crosses the y-axis, and has coordinates (0, b). It is also the value of y when x = 0.

To find the y-intercept, set x = 0:

4y - 6x = 24

4y - 6(0) = 24

4y = 24

4y/4 = 24/4

y = 6

Therefore, the y-intercept is (0, 6).

The x-intercept is the point the graph where it crosses the x-axis, and has coordinates (a, 0). It is also the value of x when y = 0.

To find the x-intercept, set y = 0:

4(0) - 6x = 24

0 - 6x = 24

-6x/-6 = 24/-6

x = -4

Therefore, the x-intercept is (-4, 0).

A card is drawn at random from a deck of cards. Find the probability of getting the 5 of diamond ​

Answers

The probability is 1 out of 52

Solve for x step by step

Answers

Answer:

n=11

Step-by-step explanation:

n+5/-16=-1, multiply both sides by -16

n+5=16, subtract 5 from both sides

n=11

Cual es la constante de proporcionalidad de 1/2 ?

Answers

Answer:

Therefore, the relationship given in the table is proportional. When we look at the above table when x gets increased, y also gets increased, so it is direct proportion. Substitute 2 for x and 1 for y. So, the constant of proportionality is 1/2.

If a student has a monthly income of about $250, how much do you predict he might spend on clothing in a month?

Answers

Answer: depends if there like someone like me 550 but if there responable then probaly 50-80

Step-by-step explanation:

Peter has 4 more candies than Jude. The two have a total of 30 candies. How many candies does Peter have? How many candies does Jude have?
( Using Linear Systems of Equation Substitution/ Elimination)

Answers

Answer:

jude:13 peter:17

Step-by-step explanation:

x is jude

x+x+4=30

2x+4=30

2x=26

x=13

finding peter's amount of candy:

13+4=17

Jude has 13 candies
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