Answer:
0.7.
Step-by-step explanation:
x^2 = 0.7x
x^2 - 0.7x = 0
x(x - 0.7) = 0
x = 0, 0.7.
No, because he can only type 40 words a minute
Answer:
1.875 or
cups of pretzel
Step-by-step explanation:
The number of cups needed is equivalent to the probability of pretzel in the mix times the number of cups in the mix.
-The probability of pretzel is :

We multiply this probability by the number of cups of the mix:

Hence, 1.875 or 1/7/8 cups of pretzel is needed.
Answer:
49
Step-by-step explanation:
(-7)² = -7 × -7
-7 × -7 = 49