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Sidana [21]
3 years ago
12

What is the value of x? sin 55° = cos x

Mathematics
1 answer:
Kruka [31]3 years ago
7 0

Answer:

sin 55° = cos 35°

Step-by-step explanation:

sin 55° = cos (90° - 55°) = cos 35°

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Adult tickets to a basketball game cost $5. Student tickets cost $1. A total of $2,465 was collected on the sale of 1,077 ticket
frez [133]
Assign x to adult tickets and y to student tickets, then set up the system
5x+y=2465 and
x+y=1077
You can subtract the second equation from the first to get
4x=1388
=> x=347
Then to find y do 1077-347 to find
y=730

Final answer:
347 adult tickets and 730 student tickets were sold.
Hope I helped :)
4 0
3 years ago
Read 2 more answers
How do you simplify the radical: square root of 28
Lilit [14]

Answer:

√

28

Rewrite

28

as

2

2

⋅

7

.

Tap for more steps...

√

2

2

⋅

7

Pull terms out from under the radical.

2

√

7

The result can be shown in both exact and decimal forms.

Exact Form:

2

√

7

Decimal Form:

5.29150262

…

Step-by-step explanation:


3 0
3 years ago
18 + 4.5m = 6m + 12 help plz
kherson [118]
M=4
first we take the 4.5 to the other side and we also take the 12 to other side so we get
1.5m=6
we divided each side we get m=4

6 0
3 years ago
Read 2 more answers
Show how you got the answer
rewona [7]
Subtract the 45 minutes they were eating from 1:45pm since that’s when they arrived. You now have 1:00pm, you now just need to find out how long it is from 10:20 am to 1:00pm. HINT: it’s 2h 40m
5 0
3 years ago
Work out the value of: 3x + 2y when x equals -3 and y equals -4
Mazyrski [523]

replace the numbers given for x & y so

the equation becomes 3*(-3) + 2*(-4) =

3*-3 = -9

2*-4 = -8

-9 + -8 = -17

6 0
2 years ago
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