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Svetllana [295]

3 years ago

15

Cos^4A - sin^4A = COS2A

1 answer:

Elenna [48]3 years ago

8 0

Step-by-step explanation:

hope u understand it's just a simple formula

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Is angle SAM congruent to angle DEL if so identify the simularity postulate or theorem applies

atroni [7]

Answer:

yes

Step-by-step explanation:

yes because that is literally what he used

4 0

2 years ago

Only the correct answer

storchak [24]

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3 years ago

Solve the equation for x. 1 6 (2x − 12x) = 30 A) −12 B) −15 C) −18 D) −24

lubasha [3.4K]

$\frac{1}{6}$ *(2x-12x) = 30

$\frac{1}{6}$ *(-10x) = 30

$\frac{-10}{6}$ x = 30

$\frac{-5}{3}$ x = 30

$\frac{5}{3}$ x = -30

x = -30/ $\frac{5}{3}$ = -30 * $\frac{3}{5}$

x = -18

the correct answer is C

8 0

3 years ago

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Bess [88]

45c/100=9.25=37/4

c=20 5/9 (185/9)

4 0

3 years ago

Rewrite the equation below into standard form. 2y=3x+12

olasank [31]

Standard form: 3x−2y=−<span>12 </span>

3 0

3 years ago