Answer:
Let x and y be the two numbers. Then
yx=57 and x−y=20
Cross multiplying the proportion
5x=7y or y=75x
So, x−y=20
x−75x=20⇒77x−5x=72x=20
⇒x=2140=70
y=75x=75×70=50
So smaller number is 50.
Check :yx=5070=57 and 70−50=20
41/16
=2.5625
so it goes into 41 2 times
Answer:
142 degrees
Step-by-step explanation:
Easy, 180 degrees in a triangle... so 180-73-69 is 38... now two angles combined on a staight line is also 180 degrees. So now 180 degrees minus 38 is 142 degrees.
Answer:
Nether of the two rectangles have an area of 40 square units.
Answer:

Step-by-step explanation:
If two numbers to the power of some number are being multiplied and have the same base (here being 8) all you have to do is add the powers
<u>add the powers 10 and 4</u>
= 