Answer:
Tina can select and answer the essay questions on her test in 35 ways.
Step-by-step explanation:
The order in which she chooses the questions is not important. For example, choosing questions 1, 3 and 7 is the same as choosing 7, 3 and 1. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
Three questions from a set of 7. So
Tina can select and answer the essay questions on her test in 35 ways.
Answer:
3+18=21
Step-by-step explanation:
first see the second number
let us assume as x & y
3+ (3×6)= 21
3+18=21Step-by-step explanation:
Answer:
4×2=8
8×2=16
16×2=32
32×2=<em>6</em><em>4</em>
<em>6</em><em>4</em><em>×</em><em>2</em><em>=</em><em>1</em><em>2</em><em>8</em>
<em>1</em><em>2</em><em>8</em><em>×</em><em>2</em><em>=</em><em>2</em><em>5</em><em>6</em>
<em>I </em><em>HOPE</em><em> THIS</em><em> HELPS</em><em> U</em>
Answer:
Step-by-step explanation:
The explanation is pinned.
plz give me Brainliest and 100 points.
Answer:
x = 30
Step-by-step explanation:
-6 + 24 = x - 24 + 24
x = 24 + 6 - 24 - 24
x = 30 - 0
x = 30
