How do i do this? i cant quite remember
how do i do this? i cant quite remember - 1

Answers

Answer 1
Answer:

Answer:

x=-1

y=3

Step-by-step explanation:

hope the answer will helpful to u


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The value of a dirt bike decreases by 20% each year. If you purchased this dirt bike today for $500, to the nearest dollar how much would the bike be worth 5 years later?

Answers

The value of the bike after a year becomes only 80% of the value a year ago. In this given, the initial amount $500 should be multiplied by 80% 5 times. The answer would be $163.84. Thus, after 5 years the dirt bike would only be $163.84. 

Answer:

The price of bike after 5 year in nearest dollars  is $ 164

Step-by-step explanation:

We have formula

A=P(1-R)^t

Where

A= Price of dirt bike after t  years

P= Initial price of bike

R= rate of decrease

t= time in years

It is given that the price of dirt bike today is $ 500, and its price is decreasing by 20% each year. We need to find the price after 5 years

So we have

P = $500

R = 20 % = 0.2

t= 5 years

now we plug these values in the formula, so we have the price of dirt bike after 5 years is given by

A = 500(1-0.2)^5

A= 500(0.8)^5\nA= 500(0.32768)\nA= 163.84

Hence the  price of bike after 5 year in nearest dollars  is $ 164

Put the fractions in order from smallest to largest.
5/12
2/3
5/6

Answers

2/3 = 8/12
5/6 = 10/12

10/12, 8/12, 5/12

5/6, 2/3, 5/12 is the order

Nine more than thirty divided by ten

Answers

3.9

9 more than so 9+30 so 39÷10 so 3.9

Step-by-step explanation:

  • Nine more than thirty divided by ten

This is not algebra but a simple expression, but written like this it has 2 interpretations, so in mathematics numbers and signs are used instead of words, the two expressions could be 9 + 30 : 10 = or (9 + 30) : 10 =

9 + 30 : 10 =  (remember PEMDAS)

9 + 3 =

12

(9 + 30) : 10 =

39 : 10 =

39/10 or 3.9

The number of hours (H) that a candle will burn increases when the length of the candle (L) increases. Write the correct equation for this scenario, and solve for the number of hours when the length is 2.

Answers

H is directly proportional to l
H\alphaL
H=kL
when L=2, H=2k

2.
Simplify the product using FOIL. (2x – 7)(5x + 5)

Answers

Answer: 10x - 25x - 35

Step-by-step explanation:

F 2x times 5x = 10x

O 2x times 5 = 10x

I  -7 times 5x = -35x

L -7 times 5 = -35

Hope This Helps :)

Answer:

10x^2-25x-35

Explained:

(2x)(5x)=10x^2

(-7)(5)=-35

(-7)(5x)=-35x

(2x)(5)=10x

10x-35x=-25x

A parachutist falls at a speed of about 12 miles per hour. Find this speed in feet per second

Answers

so in 1 hour, the parachutist will fall 12 miles or
12 mi/1hour

convert
1 hour=60 mins
1 min=60 seconds
1 hour=60 times 60 seconds=360 seconds
12 miles per 360 seconds


convert miles to feet
5280 feet per mile
12 miles times 5280=63360 feet

63360/360
do the math and simplify
63360/360=6336/36=176

176 feet per second

Final answer:

The parachutist's speed of 12 miles per hour can be converted to feet per second by using conversion factors (1 mile equals 5280 feet, and 1 hour equals 3600 seconds).

The resultant speed is approximately 17.6 feet per second.

Explanation:

To convert the parachutist's speed from miles per hour to feet per second, utilize the known conversion factors for miles to feet and hours to seconds. Bread down the problem into two conversions: first, convert miles to feet (1 mile is equivalent to 5280 feet).

Next, convert hours to seconds (1 hour is equivalent to 3600 seconds). The given speed is 12 miles per hour: start the conversion by multiplying it by the number of feet in a mile, then dividing that result by the number of seconds in an hour.

Step 1: Convert miles to feet: 12 miles * 5280 feet/mile = 63360 feet

Step 2: Convert hours to seconds: 1 hour/3600 seconds

From Step 1&2, combine the results to find the speed in feet per second:

63360 feet ÷ 3600 seconds = 17.6 feet per second

So, the parachutist is falling at a speed of 17.6 feet per second.

Learn more about Speed Conversion here:

brainly.com/question/33199512

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