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3 years ago

Perimeter is 628m and the length is exceeds its width of 6m

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

5 0

Answer:

The width is 1567m ,and the length is 1573m.

Step-by-step explanation:

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Oliver completed his project in no more than twice the amount of time it took Karissa to complete her project. Oliver spent 4 an

LUCKY_DIMON [66]

The time taken by Oliver to complete the work is less than or equal to twice the work done by Karissa.

Option B shows the correct equation of inequality to write the time taken to complete the work.

<h3>What is inequality?</h3>

Inequality can be defined as a relation that makes a non-equal comparison between two numbers or other mathematical expressions.

Given that Oliver completed his project in no more than twice the amount of time it took Karissa to complete her project. Also, the time taken to complete the project is,

Oliver = 4 and one-fourth hours

Karissa = K hours

As per the given condition, the work done by Oliver should not be more than twice the work done by Karissa. It can be equal or less. So we can write this in equation form as,

Oliver $\leq$ 2 Karissa

$4\dfrac {1}{4} \leq 2K$

Hence Option B shows the correct equation of inequality to write the time taken to complete the work.

To know more about inequality, follow the link given below.

brainly.com/question/363094.

5 0

2 years ago

Determine which function(s) are exponential. Select all that apply.

Travka [436]

Answer:

option B and option C represent an exponential function.

Step-by-step explanation:

We know that following are some of the properties of different functions.

Linear Function:

The constant change in x and y

Quadratic Function:

The constant change in x

The constant 2nd differences in y

Exponential Function:

The constant change in x

The constant ratio in y

Determining the nature of the exponential function

Option A)

x 0 1 2 3 4

y 0 1 4 9 16

Here:

There is a constant change in x:

1 - 0 = 1; 2 - 1 = 1; 3 - 2 = 1; 4 - 3 = 1

BUT, there is NO CONSTANT ratio, as

1/0 = ∞, 4/1 = 4, 9/4 ; 16/9

Thus,

Table A DOES NOT represents an exponential function.

Option B)

x 0 1 2 3 4

y 1/3 1 3 9 27

Here:

There is a constant change in x:

1 - 0 = 1; 2 - 1 = 1; 3 - 2 = 1; 4 - 3 = 1

There is also a constant ratio, as

1/[1/3] = 3, 3/1 = 3, 9/3 = 3; 27/9 = 3

As there is constant change in x as well a constant ratio.

Thus,

Table B REPRESENTS an exponential function.

Option C)

x 0 1 2 3 4

y 5 5/2 5/4 5/8 5/16

Here:

There is a constant change in x:

1 - 0 = 1; 2 - 1 = 1; 3 - 2 = 1; 4 - 3 = 1

There is also a constant ratio, as

[5/2]/5= 1/2,

[5/4]/[5/2] = 1/2

[5/8]/[5/4] = 1/2

[5/16]/[5/8] = 1/2

As there is constant change in x as well a constant ratio.

Thus,

Table C REPRESENTS an exponential function.

Option D)

x 0 1 2 3 4

y 4.5 4 3.5 3 2.5

Here:

There is a constant change in x:

1 - 0 = 1; 2 - 1 = 1; 3 - 2 = 1; 4 - 3 = 1

BUT, there is NO CONSTANT ratio, as

4/4.5 = 4/[45/10] = 40/45 = 8/9

3.5/4 = [35/10]/4 = 35/40 = 7/8

3/3.5 = 3/[35/10] = 30/35 = 6/7

2.5/3 = [25/10]/3 = 25/30 = 5/6

Table D DOES NOT represent an exponential function.

Conclusion:

Therefore, option B and option C represent an exponential function.

3 0

3 years ago

Evaluate the expression 17 x (-12 + 10)2

lara31 [8.8K]

Answer:

-68

Step-by-step explanation:

7 0

3 years ago

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the car travel 60 km in a in 1 hour 30 minutes how long will it take to cover a distance of hundred kilometre at the same speed

RoseWind [281]

2 hours 30 minutes

Step-by-step explanation:

60/90=100/x

60x=9000

x=150 minutes or 2 hour 30 minutes

8 0

3 years ago

Read 2 more answers

Greatest To Least -5,1, -7, 0, 6

g100num [7]

Answer:

6,1,0,-5,-7

Step-by-step explanation:

8 0

4 years ago

Read 2 more answers