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Vesnalui [34]
3 years ago
9

In a map scale of 2.5 cm : 400 m, the distance between the supermarket and the gas station is 5.5 cm. Work out the real distance

Mathematics
1 answer:
Marianna [84]3 years ago
7 0

Answer:

880m

Step-by-step explanation:

2.5cm = 400m

1cm = 400/2.5

=160m

5.5cm = 160 × 5.5

=880m

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a fully inflated basketball holds .34 cubic feet of air. The basketball is overinflated to hold .64 cubic feet of air. What is t
Free_Kalibri [48]
The percent of change can be calculated by finding the difference between the two volumes and then dividing by the original volume.

0.64 - 0.34 = 0.3

0.3/.34 = 0.882

This is approximately an 88.2% increase in volume.
8 0
3 years ago
Read 2 more answers
Only do 7. iii<br>I will mark you as brainliest.. I don't have time please fasttt​
Sophie [7]

Answer:

Check my explanation

Step-by-step explanation:

(i) the area of the floor is 30m² (6m · 5m)

(ii) the perimeter of the floor is 22m (6m + 5m + 6m + 5m)

(iii) the area of the walls is:

     24m² (for the 6m by 4m walls)

     20m² (for the 5m by 4m walls)

     88m² in total total

7 0
3 years ago
What is the square root of 345234
san4es73 [151]

Answer:

587.56

Step-by-step explanation:

cause

8 0
3 years ago
Please help! It’s not too hard! Will mark brainliest!
Yuki888 [10]

Step-by-step explanation:

In the first part, he was travelling with twice the speed, or Vs, for distance

48 - d, for 2 hours.

speed = distance/time

distance = speed * time

First part :

48 - d = 2V * 2

⇒d + 4V = 48  

Second part:

d = V * 2

⇒d = 2V  

Substitute 2s for d in equation 1.

2s + 4s = 48

6s = 48

s = 8

The speed in the second part is 8 mph.

<u>The speed in the first part is 2s = 2(8) = 16</u>

I hope this helps

7 0
3 years ago
Consider this system of equations. Which equation represents the first equation written in slope-intercept form? 5 x minus 2 y =
frosja888 [35]

Answer:

y = \frac{5x}{2} - 5

Step-by-step explanation:

Given the equation 5x - 2y = 10, to write the equation in slope-intercept form, we need to write it in the standard format y = mx+c where m is the slope/gradient and c is the intercept.

From the equation given  5x - 2y = 10, we will make y the subject of the formula as shown;

5x - 2y = 10\\\\subtract \ 5x \ from \ both \ sides\\\\5x - 2y - 5x = 10 - 5x\\\\-2y = 10-5x\\\\Dividing \ both \ sides\ by  \ -2;\\\\\frac{-2y}{-2} = \frac{10-5x}{-2}\\  \\

y = \frac{10}{-2} - \frac{5x}{-2}  \\\\y = -5 + \frac{5x}{2}\\\\y = \frac{5x}{2} - 5

Hence the equation that represents the first equation written in slope-intercept form is y = \frac{5x}{2} - 5

3 0
3 years ago
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