A new truck sells for $28,000depreciates (decreases in value) 13% each year. What is the Decay Factor, b?

Answers

Answer 1

Answer: not sure
te rate is r
for decay, it is
A=P(1-r)^t
r=rate
P=present amount
dunno what b is
but I guess
A=28000(1-0.13)^t
A=28000(0.87)^t
I would guess the decay factor would be 0.87

Answer 2

Answer:

your equation for the prblem is a=p(1-r)^t

when you put $28,000 as A and make 13% into 0.13 and solve your B comes to 0.87. hope this was helpful :)

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Using your calculator, find the proportion of observations from a standard normal distribution that satisfies the following statement. Sketch the normal curve and shade the area under the curve that is the answer to the question: Z < –1.5.

Please solve the problem.

Answers

OK. I did it, and I have the solution.
_____________________________________

The length of the deck is (5 + 2x) .
The width of the deck is   (4 + 2x) .

If the deck didn't have that big hole in the middle where the pool is,
then its area would be

   (5 + 2x) · (4 + 2x) .

When you multiply that all out, you get    Area = 4x² + 18x + 20

and the question tells us that the area of the whole big rectangle is 90 yds² .
So we can write

   4x² + 18x + 20 = 90 .

Subtract 90 from each side:    4x² + 18x - 70 = 0
Divide each side by 2 :    2x² + 9x - 35 = 0

You can use the quadratic equation to solve that and find out that
x = 2.5 yards, and that's what the question is asking you.
___________________________________________________

That makes the deck 10 yds high and 9 yds wide.

Total area of the whole big rectangle, (deck + pool ), = 90 yds².

An open box will be made from a rectangular piece of cardboard that is 8 in. by 10 in. The box will be cut on the dashed red lines, removing the corners, and then folded up on the dotted lines. The box needs to have the MAXIMUM volume possible. How long should the cuts be?A) 1.5 in.
B) 5.8 in.
C) 52 in.
D) 80 in.

Answers

Answer:

correct answer is A

Step-by-step explanation:

1.5 in

b) I think because it's 8 by 10

Can somebody who knows how to do this answer both correctly thx!!!!(Will mark as brainliest)
:D

Answers

Answer:

11) 1 3/8

12) 17/18

Step-by-step explanation:

What is the converse of the following conditional?If a point is in the first quadrant, then its coordinates are positive

a. If a point is in the first quadrant, then its coordinates are positive
b. If the coordinates of a point are positive, then the point is in the first quadrant
c. If the coordinates of a point are not positive, then then the point is not in the first quadrant
d. If a point is not in the first quadrant, then the coordinates of the point are not positive.

Answers

The answer is B because the converse just flips the two phrases within the statement.

Answer:

b. If the coordinates of a point are positive, then the point is in the first quadrant

Step-by-step explanation:

IF YOU GET THIS ALL RIGHT ILL GIVE AWAY 99 POINTS!!!!!Problem 1: Solve the equation

5(-3x - 2) - (x - 3) = -4(4x + 5) + 13

Problem 2: Simplify the expression

2(a -3) + 4b - 2(a -b -3) + 5

Problem 3: If x <2, simplify

|x - 2| - 4|-6|

Problem 4: Find the distance between the points (-4 , -5) and (-1 , -1).

Problem 5: Find the x intercept of the graph of the equation .

2x - 4y = 9

Problem 6: Evaluate f(2) - f(1)

f(x) = 6x + 1

Problem 7: Find the slope of the line passing through the points (-1, -1) and (2 , 2).

Problem 8: Find the slope of the line

5x - 5y = 7

Problem 9: Find the equation of the line that passes through the points (-1 , -1) and (-1 , 2).

Problem 10: Solve the equation

|-2x + 2| -3 = -3

Answers

Simplifying -2x + -4y = 9 Solving -2x + -4y = 9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4y' to each side of the equation. -2x + -4y + 4y = 9 + 4y Combine like terms: -4y + 4y = 0 -2x + 0 = 9 + 4y -2x = 9 + 4y Divide each side by '-2'. x = -4.5 + -2y Simplifying x = -4.5 + -2y13/18

169
-11

5x - 5y = 7

169

-11

5x - 5y = 7

Read more on Brainly.com - brainly.com/question/1639237#readmore

A pole 3 m high has a shadow 5 m long when the shadow of a nearby building is 110 m long. How tall is the building? Which of the following proportions could be used to solve the problem? 3/110 = x/5 3/x = 110/5 x/3 = 110/5

Answers

You can use corresponding parts of the proportion as any of
(pole:building) = (pole shadow:building shadow)
(pole:pole shadow) = (building:building shadow)
or the reverse of these.

The appropriate choice is ...
x/3 = 110/5 . . . . (building:pole) = (building shadow:pole shadow)

Answer:

$(110)/(5)=(x)/(3)$