Answer:
D
Step-by-step explanation:
yt = 2
the ratio is 1:25
2×25=50
Answer:
f(4) = 6
Step-by-step explanation:
f(x) = 3x - 6
f(4) = 3(4) - 6
f(4) = 12 - 6
f(4) = 6
Answer:
x=1, x=-4
Two distinct real roots
Step-by-step explanation:
x² + 3x- 4 = (x - 1)(x + 4)
x=1, x=-4
Two distinct real roots
She has to score at least 86 on her fifth test.
Further explanation:
We will use the average formula to find the fifth value.
Given

We have to find x5
The formula for average is:


She has to score at least 86 on her fifth test.
Keywords: Average, Word Problems
Learn more about average at:
#LearnwithBrainly
Answer:
The equation representing Total money spend being as a member is 
Step-by-step explanation:
Given:
Memberships charges = $60
Cost of 1 book = $7.60
Let number of books be 'b'.
We need to find Total money 'm' spend yearly on buying books after becoming member.
Now we know that 1 book is free for a member.
Total money spend 'm' will be equal to Sum Memberships charges and Cost of 1 book multiplied by number of books bought yearly minus 1.
Framing in equation form we get;

Hence The equation representing Total money spend being as a member is 