Answer:
55.82 cm
Step-by-step explanation:
d1= 8.72 cm
a= 15.6 cm
A rhombus= 1/2*d1*d2 = A square
A square= 15.6²= 243.36 cm²
d2= 2A/d1= 2*243.36/8.72 ≈55.82 cm
For the first one, you do need to divide. The division should be: 286/26, to find how many invitations can be printed each minute.
286/26=11
The answer is C. 11 invitations can be printed each minute.
For the second problem, Amy runs 1 mile every 7.5 minutes. To find how many miles she runs in an hour, divide 7.5 by 60:
60/7.5=8
The answer is G. Amy runs 8 miles in an hour.
I hope this helps :)
Answer:
Step-by-step explanation:
Well depends how old he was 2 years ago
But he would be 6 years older because 3 times as old as 2 equals 6
Answer:
31..?
Step-by-step explanation:
517 divided by 27 equals 31
Answer:
Volume of the cube is .
Step-by-step explanation:
Given:
Volume of the cube
where ⇒ side length
side length
We need to find the Volume of the cube.
Solution:
Now we know that;
Volume of the cube
But side length
So we will substitute the value of L in above equation we get;
Volume of the cube
Now by using Law of indices which states
So we can say that;
Volume of the cube
Hence Volume of the cube is .