3 years ago

If f(x) and 1(x) are inverse functions of each other and f(x) = 2x+5, what is ri(8)?

Mathematics

1 answer:

Yakvenalex [24]3 years ago

3 0

Answer:

3/2

Step-by-step explanation:

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How do you solve 8n²-4n=18?

Pie

Step1.8 x 8=64+64=128

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3 years ago

Parker is laying pavers to build a patio in his backyard. Each square paver measures 2 feet on each side. He would like the pati

MatroZZZ [7]

Answer:

32 pavers

Step-by-step explanation:

step 1

Find out the area of one square paver

The area of a square is

$A=s^{2}$

where

s is the length side of the square

we have

$s=2\ ft$

substitute

$A=2^{2}\\A=4\ ft^{2}$

step 2

Find out the area of the rectangular patio

we know that

The area of a rectangle is

$A=LW$

we have

$L=16\ ft\\W=8\ ft$

substitute

$A=(16)(8)\\A=128\ ft^2$

step 3

Find out the number of pavers needed to build the patio

Divide the area of the rectangular patio by the area of one paver

$128\ ft^2/4\ ft^{2}=32\ pavers$

5 0

3 years ago

How can I figure out this math problem: Stanley ran a 5 kilometer race in 30 minutes. What was his speed in kilometers per hour?

stiv31 [10]

Since the question is asking for the time units to be in hours, you want to convert 30 minutes to an hour; 0.5

We’re able to use the basic motion formula for velocity to work out this question.

Velocity = distance / time
Velocity = 5 / 0.5
Velocity = 10km/h

Therefore, Stanley’s average speed was 10 kilometres per hour. :)

3 0

2 years ago

2/3(3/5x+9)=1/2(2x+40)<br><br> I posted this before but w/o the 1/2 on accident

andriy [413]

The answer and working are shown in the photo below

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2 years ago

Guerby ran 10 miles in 2 hrs, how many miles did he run in 1hr?

Strike441 [17]

Answer:

5 not including rests and what speed.

Step-by-step explanation:

plz mark me brainlyiist :)

8 0

2 years ago