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3 years ago

PLS HELP 20 POINTS

Mathematics

2 answers:

bezimeni [28]3 years ago

4 0

Answer:

missing number=81

Step-by-step explanation:

you are multiplying by three.

27×3=81

lorasvet [3.4K]3 years ago

3 0

Answer:

81 !?!??!?!!!!!!!!!?!?!??!

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antiseptic1488 [7]

The correct answer would be A. Hope this helps!

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3 years ago

If f(x) = 4x - 20, what is f(4)? O A. -4 оо O B. -12 O c. 4 O D. 16

4vir4ik [10]

Answer:

A. - 4

Step-by-step explanation:

f(4) = 4(4) - 20 = 16 - 20 = - 4

7 0

4 years ago

Read 2 more answers

Simplifying radicals

Xelga [282]

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$\sqrt{12} - \sqrt{48} =$

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$\sqrt{4 \times 3} - \sqrt{4 \times 4 \times 3} =$

$\sqrt{ {2}^{2} \times 3 } - \sqrt{ {4}^{2} \times 3 } =$

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$- 2 \sqrt{3}$

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3 years ago

Trig question easy answer for 15 points

sattari [20]

Answer:

$x = \boxed{10}$

Step-by-step explanation:

$\sin(60) = \frac{x}{12} \\ x = 12 \sin(60) \\ x = 12(0.8660254038) = 10.4$

4 0

3 years ago

Consider the function f(x)= x² - 4

Arisa [49]

Answer:

(X+2) (X-2) . This is the final answer

Step-by-step explanation:

Solving f(x) = x^2 - 4

A^2 - B^2 is a special case where the original equation before it was foiled is

(A + B) (A - B) because the middle terms will cancel out when foiled.

This means that the equation can be written as

(X + 2)(X - 2) = 0

Each of these you will then set equal to 0 and then solve

X + 2 = 0, X - 2 = 0

X = -2, 2

I hope this helps you! let me now if its right ok <3 :)

4 0

3 years ago