Ranger has 15 problems on his Spanish Pre-Test. He doesn't want to do the whole test in one day, so he decides to do half today,
1 answer:
You might be interested in
Answer:
.
Step-by-step explanation:
The given series is,
When we substitute , we get the first term, which is
This implies that,
.
The common ratio is
The finite geometric sum is given by the formula,
.
Since there are 9 terms, we find the sum of the first nine terms by putting in to the formula to get,
.
.
.
.
.
.
.
The correct answer is B
Answer: The answer to your question is 6
Step-by-step explanation:
To solve this problem we will use proportions. We will compare the largest right triangle and the medium size triangle.
Medium triangle Large triangle
hypotenuse y 9 + 3
adjacent size 9 y
- Write the proportions
y/9 = (9 + 3)/y
-Solve for y
y² = 9(12)
y² = 108
y =
-Find the prime factors of 108
108 2
54 2
27 3
9 3
3 3
1
then, 108 = 2² 3³
-Expressthe root as fractional exponents
2²/² 3²/² 3¹/²
-Simplification
2(3)(3)¹/²
-Result
6