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djverab [1.8K]
3 years ago
15

For each function, state weather it’s linear

Mathematics
1 answer:
user100 [1]3 years ago
5 0

Answer:

Step-by-step explanation:

function 1

slope=(1-0)/(0+2)=1/2

or slope=(4-1)/(2-0)=3/2

which is not same.

so it is not linear.

Function 2.

slope=(1+2)/(-3+4)=3/1=3

or slope=(4-1)(-2+3)=3/1=3

or slope=(7-4)/(-1+2)=3/1=3

slope is same. so it is linear.

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Explain how 49. 567 is done in fraction form
pav-90 [236]
<span>= 49567/1000

</span>rite the decimal number as a fraction
(over 1)
49.567 = 49.567 / 1

Multiplying by 1 to eliminate 3 decimal places
we multiply top and bottom by 3 10's

Numerator (N)
N = 49.567 × 10 × 10 × 10 = 49567
Denominator (D)
D = 1 × 10 × 10 × 10 = 1000

N / D = 49567 / 1000

Simplifying our fraction

<span>= 49567/1000</span>
7 0
3 years ago
A car is moving at a fixed speed. The distance D that the car covers is then directly proportional to the time T it moves.
worty [1.4K]

We were told that the distance D is directly proportional to the time T.

We write this mathematically as,

D\propto T


We can now introduce our constant of variation and write the equation for the direct equation as;


D=kT


where k is the constant of variation or constant of proportionality.


We substitute D=20 and T=15, in to the equation of variation to obtain the constant of proportionality.


That is;


20=k\times15



This implies that,




\frac{20}{15}=k


This simplifies to give us,




k=\frac{4}{3}


Now our equation of proportion becomes,



D=\frac{4}{3}


When T=20



D=\frac{4}{3}\times20


D=\frac{80}{3}

Writing this as a mixed number we obtain,

D=26\frac{2}{3}

This can also be rewritten as

D=26.67 correct to one decimal places.


Therefore the care covers 26.67 miles in 20 minutes.





6 0
3 years ago
A bag of rice weighs 3.18 pounds find the mass in kilograms
sleet_krkn [62]
Answer:
1kg=2.2lb
So,
3.18lb=3.18/2.2kg
1.44kg
7 0
3 years ago
0.672 nearest hundreth
kolezko [41]
0.67 Since 2 (in the thousandths place) is lower than 5 you round down wich just leaves you with 0.67



3 0
3 years ago
Read 2 more answers
24 college students were hired as ushers for a concert. This is 30% of the students who applied for the job. How many college st
Oduvanchick [21]

Answer:

80 students applied

Explanation:

24 ÷ 30 × 100

= 0.8 × 100

= 80

i hope this helps! :D do comment if you need any clarification.

3 0
3 years ago
Read 2 more answers
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