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lakkis [162]
3 years ago
6

6) In 3 seconds you can fill up a pool with 42 gallons of water. If this is a proportional

Mathematics
1 answer:
Maurinko [17]3 years ago
4 0

Answer:

1/2/3/4/5

14/28/42/56/70

Step-by-step explanation:

divide the 42 gallons by 3 (since 3 seconds for 42 gallons) to find the rate of change. the answer is 14. then just do the number times 14 all the way. and yes this is proportional

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if I set off for the market,a distance of 11km at 10am. And walk at an average speed of 3km per hour,At what time will I reach t
earnstyle [38]

Answer:

At 1:40 pm you will reach the market.

Step-by-step explanation:

Distance (d) = 11 km

Average speed (v) = 3 km/h

Formula:

\rm Average  \: speed = \dfrac{Distance}{Time} \\  \\  \rm 3 =  \dfrac{11}{t}  \\  \\  \rm t =  \dfrac{11}{3}  \\  \\  \rm t = 3 \frac{2}{3}  \\  \\  \rm t = 3 hr \: 40min

It will take 3 hours 40 minutes to reach the market.

So, if you set off for the market at 10 am you will reach market by 1:40 pm (10 am + 3hr 40min).

7 0
2 years ago
what is the standard form of the equation of a circle with the center 16,4 and a radius of 2 radical 2
Stella [2.4K]

Answer:

(x - 16)² + (y - 4)² = 8

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

Here (h, k) = (16, 4) and r = 2\sqrt{2}, thus

(x - 16)² + (y - 4)² = (2\sqrt{2} )², that is

(x - 16)² + (y - 4)² = 8

6 0
3 years ago
Each big square below represents one whole. What percent is represented by the shaded area?​
Lelechka [254]

Answer:

Fraction 81/100

Decimal .81

Percent 81%

Step-by-step explanation:

There are total 10×10 = 100 squares in the picture and number of shaded squares = 100 - 19 = 81

Shaded area expressed as the fraction of the whole =

Shaded area in decimals of the whole =

Shaded area in percent of the whole =  = 81%

5 0
4 years ago
Which set of ordered pairs could be generated by an exponential function? A)(negative 1, negative one-half), (0, 0), (1, one-hal
Vadim26 [7]

Answer:

<h2>C) (negative 1, one-half), (0, 1), (1, 2), (2, 4)</h2>

Step-by-step explanation:

The set C could be generated by an exponential function. The main reason is that exponential functions hava a restricted range, it can't have negative numbers or the number zero, because power can only be equal or greater than 1.

Additionally, for all exponentials, a null exponent gives 1 as an answer, so point (0, 1) is always present in an exponential function.

Therefore, the right answer is C.

3 0
3 years ago
Read 2 more answers
How to solve y=x+1<br> 5x+3y=51
adoni [48]

Answer:

x=6 y=7

(6,7)

Step-by-step explanation:

y=x+1  5x+3y=51

to solve this you can use the substitution method or anotherone i forgot the name of. so in with that being said, the substitution method is the wa to go.

start with the first equasion

5x+3y=51

substitute

5x+3(x+1)=51

distribute

5x+3x+3=51

add like terms

8x+3=51

solve equasion

8x=48

x=6

now onto the next equasion

y=x+1

substitute

y=6+1

add like terms

y=7

7 0
3 years ago
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