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3 years ago

1a + 2a = answer and i will mark you brainliest

Mathematics

1 answer:

scZoUnD [109]3 years ago

7 0

Answer:

Step-by-step explanation:

a and a =1 + 2+1= 4a

Im not that smart so im prob wrong

if i am wrong then its 3a ;(

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Square root of 9 multiplied by square root of 180

grin007 [14]

Square root of 9 is 3 square root of 180 is 13.416roundes 3x13.416 is 40.248

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2 years ago

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Unsure on if I have the right answer worked out someone please say what you've got and how you've done it please

PilotLPTM [1.2K]

The answer is at 7:12 a.m, did you get that?

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3 years ago

While traveling to the office, dolly drives her car at a speed of 60 kmph and then suddenly the car stopped on half of her dista

lisabon 2012 [21]

The average speed of Dolly is 33.33kmph.

Average Speed:

The average speed is defined as the total distance travelled by the object in a particular interval of time. It can be calculated by dividing the total distance travelled by the total time taken.

So, Average Speed = total distance / total time

Here,

Let the total distance is 100 km.

Therefore, consider she will travel 60 km at speed of 60 kmph , 30 km at speed of 30 kmph and 10 km at speed of 10 kmph.

she will required times of 1 hour, 1hour and 1hour

So,

Average speed = 100 / (1 + 1 + 1)

=> 100 / 3 = 33.33

To know more about Average speed here

brainly.com/question/12322912

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2 years ago

3/4-(-7/6) Write your answer in simplest form.

allsm [11]

Answer:

$\frac{3}{4} - ( - \frac{7}{6} ) \\ = \frac{3}{4} + \frac{7}{6} \\ = \frac{23}{12} \\ = 1 \frac{11}{12}$

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3 years ago

Harold wrote this equation to model the level of water in a pool over time. The variable x represents time in hours. f(x) = 3,50

lina2011 [118]

Answer:

The water level is falling.

The initial level of water in the pool was 3,500 units

The water was 2,600 units high after 4 hours.

Step-by-step explanation:

The given function that models the water level is

$f(x)=3,500-225x$

where $x$ represents time in hours.

The function represents a straight line that has slope $m=-225$

Since the slope is negative, it means the water level is falling.

The initial level of water in the pool can found when we put $x=0$ into the function.

$f(0)=3,500-225(0)$

$f(0)=3,500$ , hence the initial level is 3,500.

To determine the level of water in the pool after 14 hours, we put $x=14$ into the equation to get;

$f(14)=3,500-225(14)$

$f(14)=3,500-3150$

$f(14)=350$

To determine the water level after 4 hours we put $x=4$

$f(4)=3,500-225(4)$

$f(4)=3,500-900$

$f(14)=2,600$

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3 years ago

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