180 = 2x-10+x+30+70
180 = 3x+90
90 = 3x
x = 30
2(30)-10 =50
Answer:
Step-by-step explanation:
Comment
A rational number is one that can be expressed as x/y. The first statement is false. All whole numbers are rational. They can always be expressed as x/1
Some rational numbers are not whole numbers. That's true. 4/7 is rational but not whole.
Some irrational numbers are not integers. I'm tempted to say this is true.
pi is irrational and it certainly is not an integer.
Answer
false
true
true.
Answer:
27y - 6
Step-by-step explanation:
3(9y - 2) Multiply 3 times each term in the parentheses
3 * 9y = 27y
3 * -2 = -6
Answer:
40.4%
Step-by-step explanation:
Given data
Initial depth= 5feet
Final depth= 5-3.2+6.6= 8.4feet
Hence the percent change
% change= FInal-initial/final*100
% change= 8.4-5/8.4*100
% change= 3.4/8.4*100
% change= 0.404*100
% change=40.4%
Hence the percent change is 40.4%
Answer:the reader will save $10.95 by the 6 months subscription
Step-by-step explanation:The cost of one issue is $5.99
For 6 issues will be 6×$5.99 =$35.94
The amount saved will be $35.94- $24.99= $10.95.
