Answer:
12
Step-by-step explanation:
7 times 12 is 84. 4 times 21 is 84. The digits have a sum of 3.
Answer:
Step-by-step explanation:
Since we have given that
A toy manufacturer claims that the mean time that its top-selling toy captures children's attention is at least 45 minutes.
Since we need to carry out a hypothesis test whether he can refute the claim.
We always take the alternate hypothesis such that it should satisfy the given statement.
And the null hypothesis can be equal to mean or other than that is given in alternate hypothesis.
So, hypothesis :
C. The total area of the patio.
If you don't know the area you can't know how many bricks you need.
For this case we have the following expression:
We must indicate an equivalent verbal expression.
If "p" is a variable that represents any number, we can write:
Four times a number plus 3 equals -5.
Answer:
Four times a number plus 3 equals -5.
Option D