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NISA [10]
3 years ago
13

What is the rate of change from 1 to 3

Mathematics
1 answer:
lana [24]3 years ago
3 0

The rate of change is    (amount of the change) / (time it took to change) .

Amount of the change = (3 - 1) = 2 .

Rate of change = (2) / (time it took to change from  1  to  3) .

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Eric walked 6 laps in 36 minutes. Sally walked 3 laps in 18 minutes. Determine if the given ratios are equivalent?
zhuklara [117]

Step-by-step explanation:

6:36 = 6/36 = 1/6

3:18 = 3/18 = 1/6

therefore this ratios are equivalents...

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5 0
2 years ago
The edges of the diameter of a circle are at (-1,2) and (3,-1). Write the equation of the circle in general form.
Y_Kistochka [10]

Answer:

(x-1)²+ (y-0.5)²=6.25

Step-by-step explanation:

<u>The standard form of equation of a circle is;</u>

(x-a)²+(y-b)²=r² where (a,b) are the center of the circle and r is the radius

<u>Finding the mid-point of the given points</u>

(-1,2) and (3,-1)⇒midpoint will be 1/2(x₁+x₂) , 1/2(y₁+y₂)

midpoint= {1/2(-1+3), 1/2(2+-1)}

midpoint=(1,0.5)

<u>Finding the radius r; the distance from the center to either of the given two points</u>

Apply the distance formula d=√ (x₂-x₁)² +(y₂-y₁)²

Taking (x₁,y₁) as (1,0.5) and (x₂,y₂) as (-1,2) then

d=√ (-1-1)² +(2-0.5)²

d= √ (-2)²+(1.5)²

d=√4+2.25⇒√6.25⇒2.5

r=2.5

<u>Equation of the circle</u>

(x-1)² + (y-0.5)²=2.5²

(x-1)²+ (y-0.5)²=6.25

3 0
3 years ago
If 48 is 10% then what is 100%
Alecsey [184]
480 is 100%

48 = 10%

480 = 100%
4 0
3 years ago
Work out, giving your answer as a mixed number:
anyanavicka [17]

Answer:

1 11/20

Step-by-step explanation:

hope this helps! :)

8 0
2 years ago
Read 2 more answers
Express 50p as a fraction of £8<br> Give your answer in its simplest form.
Sonbull [250]

Answer:

1/16

Step-by-step explanation:

Convert 50p to pound sterling.

50p = £0.5

Divide £0.5 with £8.

0.5/8

Simplify the fraction.

0.5×2/8×2

1/16

5 0
3 years ago
Read 2 more answers
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