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____ [38]
3 years ago
14

1.2.8 -0.9+y Your answer

Mathematics
1 answer:
Annette [7]3 years ago
8 0
0.06+y simplify the expression
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Is there any option to to 1 not be equal to 1?
r-ruslan [8.4K]

No.  1 is is always equal to to 1 .

4 0
3 years ago
The area of a circle having radius 14 cm is<br> cm.<br> Use *<br> 22<br> 7
DaniilM [7]

Answer:

A=616cm²

Step-by-step explanation:

The question says to use

\frac{22}{7}

for pi, now that we know that we proceed like normal and do the formula like this.

\frac{22}{7}  {r}^{2}  \\\frac{22}{7}  \times 196 \\  = 616

6 0
3 years ago
When running a 100 meter race Bill reaches his maximum speed when he is 45 meters from the starting line and 5 seconds have elap
Mkey [24]

Bill's speed is constant after 5 seconds and 45 meters into the race.

Correct responses:

a. Bill's maximum speed is 8 m/s

b. 24 meters

c. 57 meters

<h3>Methods used to calculate speed and distance traveled</h3>

Given parameters are;

The distance of the race = 100 meter

Distance at which Bill reaches maximum speed = 45 meters

Speed Bill maintains after 5 seconds = The maximum speed

Time at which Bill is 85 meters from the starting line = 10 seconds after start

a. Required;

Bill's maximum speed in meters.

Solution:

Distance Bill runs at maximum speed, d = 85 m - 45 m = 40 m

Time at which Bill runs the 40 m at maximum speed, <em>t</em> = 10 s - 5 s = 5 s

Speed = \mathbf{\dfrac{Distance}{Time}}

Therefore;

  • Bill's \  maximum \ speed = \dfrac{40 \ m}{5 \ s} = \underline{8 \ m/s}

b. i. Required:

The distance Bill will run for 3 seconds at the maximum speed;

Solution:

Distance,<em> s</em> = Speed, <em>v</em> × Time, <em>t</em>

<em />

The distance traveled at maximum speed in 3 seconds is therefore;

Distance = 8 m/s × 3 s = 24 m

The distance Bill travels in 3 seconds at the maximum speed is 24 meters.

ii) The distance Bill travels at 8 seconds after start, is given as follows;

Distance traveled in the first 5 seconds = 45 meters

Distance traveled in the next 3 seconds = 24 meters

Therefore;

  • Bill's distance from the starting line 8 seconds after start is 45 meters + 25 meters = <u>69 meters</u>

c. Bill's distance 6.5 seconds after the start of the race is given as follows;

Distance traveled in the first 5 seconds = 45 meters

Distance traveled in the next 1.5 seconds = 1.5 s × 8 m/s = 12 meters

  • Bill's distance from the starting line 6.5 seconds after start of the race = 45 meters + 12 meters = <u>57 meters</u>

Learn more about distance, speed, time, relationship here:

https://brainly.in/question/49075584

6 0
2 years ago
One fifth of the sum of 9 and h
8090 [49]

Answer:

= (9 + h) /5

Step-by-step explanation:

One fifth  means 1/5

Sum of 9 and h = (9 +h)

One fifth of sum of 9 and h = 1/5 x (9 + h)

= (9 + h) /5

I hope this was helpful, Please mark as brainliest

8 0
3 years ago
What’s the answer my phone calculator isn’t working
zubka84 [21]

Answer:

4.33

Step-by-step explanation:

If you don't have the cube root function in your calculator, u can chose a choice instead and cube the value.

9x9 is already 81, hence 9x9x9 > 81

27 x 27 Is definitely more than 81

Hence the only reasonable answer is 4.33

5 0
3 years ago
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