Answer:
22.5
Step-by-step explanation:
Answer: 10
Step-by-step explanation:
When is subtracted from we get . That can be expressed:
.
Solving that gives the following value.
Now there is , and it is possible to find .
Substitute and calculate the solution.
.
Answer:
C. triangles
Step-by-step explanation:
Pythagoras Theorem is a theorem which states you can work out a side of a right - angled triangle using the other 2 sides. Pythagoras will not work on shapes except from a right - angled triangle and square
Total cupcakes = 20
Vanilla cupcakes = 1/5 x 20 = 4
Chocolate cupcakes = 3/4 x 20 = 15
Cupcakes that are not vanilla or chocolate = 20 - 4 - 15 = 1
Answer: 1 cup cake is not vanilla or chocolate.
W=21
To get from 4 to 28 you multiply by 7, so 3x7=21.