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fomenos
3 years ago
11

What is the cosine if the sine=√5÷6

Mathematics
1 answer:
qwelly [4]3 years ago
7 0

Answer:

cosine =  √31/6

Step-by-step explanation:

It is given that,

sine=√5/6

we know that, sine = opposite side/Hypotenuse

<u>To find Adjacent side</u>

Adjacent side = √(Hypotenuse² - opposite side²)

Adjacent side =√(6² - √5² ) = √(36 - 5 ) = √31

<u>To find cosine</u>

cosine = Adjacent side/Hypotenuse

cosine =  √31/6

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Step-by-step explanation:

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2 years ago
2. Write the slope-intercept form of the equation for each graph described. Line passing through (-5, 12) and parallel to the li
Nostrana [21]

Answer:   y = 2x+22

========================================================

Explanation:

The equation y = 2x+5 is in the form y = mx+b

m = 2 = slope

b = 5 = y intercept

Parallel lines have equal slopes, but different y intercepts. So the answer will be in the form y = 2x+c, where b and c are different numbers. Since b = 5, this means c must be some other number. If c = 5, then we'd have the exact same line.

Let's plug in (x,y) = (-5,12), along with the slope m = 2, and solve for c

y = mx+c

12 = 2(-5)+c

12 = -10+c

12+10 = c

22 = c

c = 22

Since m = 2 and c = 22, we go from y = mx+c to y = 2x+22

The equation of the parallel line is y = 2x+22

The graph is below.

7 0
2 years ago
2. What step did Mikayla do wrong when she solved this
Lunna [17]

Mikayla subtracted 4 from both sides in the beginning when she should've added it to both sides to cancel it out on the right. the correct answer should actually be x=1

5 0
2 years ago
Read 2 more answers
ਕind me<br>When x = 4 and y = 3, find the value of:<br>a) 2x + 7y - 10​
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Answer:

19

Step-by-step explanation:

by replacing x and y with their given values ,

we get :-

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=》(2 × 4) + (7 × 3) - 10

=》8 + 21 - 10

=》29 - 10

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3 years ago
for a project in her geometry class, amira uses a mirror on the ground to measure the height of her school’s football goalpost.
kari74 [83]

Answer:

6.14 m

Step-by-step explanation:

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3 years ago
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