An airplane begins decreasing its altitude as it approaches the runway. At time t=1, the pilot notes that he has an altitude of 30,000 feet. One minute later, his altitude drops to 29,450 feet. One minute after that, his altitude drops to 28,900 feet. Assuming this pattern continues, write a recursive formula for the altitude of the plane A(t) after t minutes.(1 point)

A(t)=30000+550(t−1)

A(t)=A(t−1)−550 for t>1, where A(1)=30000

A(t)=A(t−1)+550 for t>1, where A(1)=30000

A(t)=30000−550(t−1)

Answer:

(-2,7)

Step-by-step explanation:

Answer:

5(3a+1+4p)

Step-by-step explanation:

Answer:

-8

Step-by-step explanation:

10 -2b^2

Let b=-3

10 - 2( -3)^2

Do the exponent first

10 -2(9)

Multiply

10 -18

Subtract

-8

Answer:

- 8

Step-by-step explanation:

Given

10 - 2b² ← substitute b = - 3 into the expression

= 10 - 2(- 3)²

= 10 - 2(9)

= 10 - 18

= - 8

Answer:

20 builders

Step-by-step explanation:

Answer: 20 builders.

Step-by-step explanation: For 10 builders to build a house in 20 days, the ratio is 1:2. For builders to build a house in 10 days, the ratio is x:10. You then cross multiply 1:2 and x:10. Then x=20 so 20 builders.

Answer:

| -3 | = 3

Step-by-step explanation:

minus is removed

Answer:

Slope = - 4

Step-by-step explanation:

-3y = 12x + 6

Divide the equation by (-3)

[tex]\frac{-3y}{-3}=\frac{12}{-3}x+\frac{6}{-3}\\\\[/tex]

y = -4x - 2

Compare with y = mx + b

m = -4

Answer:

Well X=8 in standard form is NaN or 8 * 10 to the power of 0

Answer:

I believe it is Y=30+2x

Step-by-step explanation:

Since the $30 is given no matter what, we can use it as b.

Since slope always changes, we use it as our m.

X= amount of people

2= charge per person

If there were 5 people there, the equation would look like this: y= $2(5)+$30

The dollar signs are just an aid.

Answer:

Y=2x+30

Step-by-step explanation:

The b is 30

While the slope is 2

Using y=mx+b that will be your answer.

Answer:

-2 < 12

Step-by-step explanation:

12 is bigger than -2.

Answer:

Please be more clear and I might be able to help

Step-by-step explanation:

Answer

y= 12x-64

Step-by-step explanation:

Answer:

Hey, Here is your Answer... Sister

Answer: 168

Step-by-step explanation:

Answer:

168

Step-by-step explanation:

159 bpm when he swims.

Answer:

slope- 2

y int- -5

Step-by-step explanation:

Answer:

the answer is C because it's the only one that doesn't have any repeating x-values or repeating y-values.

D is incorrect because it's saying that no matter what the x-value is, the y-value will come out to be 6. that isn't a function

a function is when every x-value produces it's own y-value when plugged into the equation

Answer:

$11.23

Step-by-step explanation:

To find the unit price divide the price by the product. For example, 12 ounces of juice costs $2.45. You divide $2.45 by 12 ounces. The unit price would be $0.20.

I hope this helped you, if it did more than all the other answers that may be on your question, feel free to give me brainliest, I would really appreciate it.

A 7-pack of tickets to the zoo costs $78.61. Therefore, the unit price of ticket to the zoo $11.23.

The division in mathematics is one kind of operation. In this process, we split the expressions or numbers into same number of parts.

Given that a 7-pack of tickets to the zoo costs $78.61.

To find the unit price;

Cost of one pack of ticket to the zoo = total cost of 7 pack of tickets / number of tickets

Cost of one pack of ticket to the zoo = $78.61 / 7

Cost of one pack of ticket to the zoo = $11.23

Therefore, the unit price of ticket to the zoo $11.23.

To learn more about the division;

https://brainly.com/question/13263114

#SPJ2                                                          

Answer:

v = 30 km/h

Step-by-step explanation:

Given that,

Distance covered by a car, d = 120 miles

Time, t = 4 hours

We need to find the speed of the car. The speed of an object is equal to the distance covered divided by the time taken. It can be given by :

[tex]v=\dfrac{d}{t}\\\\v=\dfrac{120\ \text{miles}}{4\ \text{hour}}\\\\v=30\ \text{mph}[/tex]

So, the speed of the car is 30 km/h.

Answer:

AEF=110

DEF=70

CFE=30

Step-by-step explanation: Brainliest please

If you want work just lemme know

it is -23 I think

Step-by-step explanation:

(-5)+(-18)=-23

Answer: −  1 ^2  −  4 1

Answer:

see explanation

Step-by-step explanation:

10^3x=98

1000x=98

x=98/1000

x=49/500

x=0.98

if it is rounded to the nearest hundredth then x=0

Answer:

D the four one is corret

Step-by-step explanation:

D

Answer: boat

Step-by-step explanation: the farthest it can go is weeks

Answer:

3.11637

Step-by-step explanation

I got it right ayyy :p

Answer:

Shelly

Step-by-step explanation:

Answer:

2(12x-1)

Step-by-step explanation:

expand the expression

24x-12+10

add the constants

24x-2

take out 2, since it is common

2(12x-1)

Answer:

∠A =  115°

∠B =  65°

∠C =  115°

∠D =  65°

Step-by-step explanation:

The figure given is of parallelogram.

We need to find measure of each interior angle.

We are given:

∠A = (2x-15)°

∠B = x°

∠C = (2x-15)°

∠D = x°

We need to find measure of ∠A , ∠B, ∠C, ∠D

We know that sum of all angles of parallelogram = 360°

So, we can write: ∠A +∠B+ ∠C+ ∠D = 360°

Now putting their values and finding value of x first:

[tex]2x-15+x+2x-15+x=360\\Combining\:like\:terms:\\2x+x+2x+x-15-15=360\\6x-30=360\\6x=360+30\\6x=390\\x=\frac{390}{6}\\x=65[/tex]

So, we get x= 65

Now finding measure of each angle:

∠A = (2x-15)° = 2(65)-15 = 130-15 = 115°

∠B = x° = 65°

∠C = (2x-15)° = 2(65)-15 = 130-15 = 115°

∠D = x°= 65°

Answer is:

∠A =  115°

∠B =  65°

∠C =  115°

∠D =  65°

Answer:

it would take 20 miles and cost 10 dollars.

Step-by-step explanation: Like up the equations so that 50x=40x+200. When you solve for x (number of miles) you find that x=20. Use 20 in either equation (0.5x or 0.4x+2) to get 10 (total cost).