A 1:750 scale model means that each cm on the model corresponds to 750 cm of the actual Sydney Opera House. If the model is 24.4 centimeters long, the actual Opera House has a length of:

$x = 24.4*750\\x=18,300\ cm\\x=183\ m$

The actual length of the Sydney Opera House is 183 m.

6 0

3 years ago

10/ p = 1 <br> 250 = 1000/ q <br> please help

valkas [14]

Answer:

p = 10

q = 4

Step-by-step explanation:

10/p = 1

<em>(multiply both sides by p)</em>

10 = 1p

10 = p

250 = 1000/q

<em>(multiply both sides by q)</em>

250q = 1000

<em>(divide both sides by 250)</em>

q = 4

Hope this helps!

7 0

3 years ago

Emily was going to sell all of her stamp collection to buy a video game. After selling half of them she changed her mind. She th

Anastaziya [24]

Answer:

s/2 +17

Step-by-step explanation:

If s represents the number of stamps Emily started with, then the number she had after selling half of them is ...

s/2

After purchasing 17 more, she had ...

s/2 +17

7 0

4 years ago

Read 2 more answers