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snow_lady [41]
4 years ago
13

Help Asap.

Mathematics
1 answer:
kykrilka [37]4 years ago
7 0

Answer:

B

Step-by-step explanation:

Replace the adult ticket with x and child ticket with y.

The mathematical symbol of and is a plus sign, and put an equal sign at 'cost' since it is the total cost.

2x+ 5y= 41

4x + 2y=42

Hence, the answer is B.

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Step-by-step explanation:

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Answer:

y= 6x^5 is the answer you are looking for.


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Anit [1.1K]

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Step-by-step explanation:

5 0
3 years ago
Solve without using a calculator:<br><br> sin²20° + sec²20°
PolarNik [594]

Step-by-step explanation:

sin

2

(

20

°

)

+

sec

2

(

20

°

)

Simplify each term.

Tap for fewer steps...

Rewrite

sec

(

20

°

)

in terms of sines and cosines.

sin

2

(

20

°

)

+

(

1

cos

(

20

°

)

)

2

Apply the product rule to

1

cos

(

20

°

)

.

sin

2

(

20

°

)

+

1

2

cos

2

(

20

°

)

One to any power is one.

sin

2

(

20

°

)

+

1

cos

2

(

20

°

)

Simplify each term.

Tap for fewer steps...

Rewrite

1

as

1

2

.

sin

2

(

20

°

)

+

1

2

cos

2

(

20

°

)

Rewrite

1

2

cos

2

(

20

°

)

as

(

1

cos

(

20

°

)

)

2

.

sin

2

(

20

°

)

+

(

1

cos

(

20

°

)

)

2

Convert from

1

cos

(

20

°

)

to

sec

(

20

°

)

.

sin

2

(

20

°

)

+

sec

2

(

20

°

)

The result can be shown in multiple forms.

Exact Form:

sin

2

(

20

°

)

+

sec

2

(

20

°

)

Decimal Form:

1.24945210

7 0
3 years ago
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