Answer:
n = - 10
Step-by-step explanation:
10(-3n + 8) = 380
-30n + 80 = 380
80 - 380 = 30n
30n = - 300
n = - 300 : 30
n = - 10
Answer:
400 is a rational number because it can be expressed as the quotient of two intergers 400 divided by 1
Step-by-step explanation:
the square root of 400 is rational because the product is 20 which is a whole number making it a rational number because a rational number is any interger, fraction , terminating decimal, or repeating decimal.
Answer:
C
Step-by-step explanation:
This is saying sum 5 and a number and multiply the result by 4
let n be the number then 5 + n is the sum, and
4(5 + n) is 4 times the resultant sum
Answer:
A) $2.42, $2.33, $2.58
B) The best deal is 24 cupcakes for $56
Step-by-step explanation: