C. 1/root2
Based on the information, the hypotenuse will be 6root2 because it is a 45, 45, 90 triangle. The two legs will be 6. Using SOH CAH TOA, we know that for cosine, it will be adjacent/hypotenuse. The adjacent side is 6 and the hypotenuse is 6root2. The result will be (6)/(6root2). After simplifying, we get
1/root2.
Answer:
c
Step-by-step explanation:
i believe it's hard to see the graph
Answer:
x = 2.6, y = 2.2
Step-by-step explanation:
if 4y = 2 + 3x - 1 and
y = 2x - 3,
4y = 2 + 3x -1 and 4y = 8x - 12 so
8x - 12 = 2 + 3x - 1
so 5x - 12 = 1,
5x = 13,
x = 2.6
If x = 2.6,
y = 5.6 - 3
so y = 2.2
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The gradient/slopes of perpendicular lines are NEGATIVE reciprocal. This means that their product is -1.
Answer:
Expression: $7.50x + 15.50 = y Total Cost: $30.50
Step-by-step explanation:
x goes next to 7.50 because it is 7.50 per person, which makes it a variable that varies and can change.
since the expression is $7.50x + 15.50 = y, we just plug x in for 2 because he and his friend are going which is 2 people.
7.50(2) + 15.50 = 30.50
