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s344n2d4d5 [400]
2 years ago
6

Fill in the blank ____pi/3 cos pi/6 = 1/2 (sin pi/2 + sin pi/6)

Mathematics
2 answers:
lianna [129]2 years ago
6 0

Answer:

3

Step-by-step explanation:

Neko [114]2 years ago
6 0

Answer:

sin

Step-by-step explanation:

just took the quiz

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Solve. State the number of solutions.
Oksi-84 [34.3K]

Answer:

a. x=8

b.Step 1: Simplify both sides of the equation.

2(2x−2)=4x−4

(2)(2x)+(2)(−2)=4x+−4(Distribute)

4x+−4=4x+−4

4x−4=4x−4

Step 2: Subtract 4x from both sides.

4x−4−4x=4x−4−4x

−4=−4

Step 3: Add 4 to both sides.

−4+4=−4+4

0=0

Answer:

All real numbers are solutions.

c. Step 1: Simplify both sides of the equation.

3(x+1)=4x+7−x

(3)(x)+(3)(1)=4x+7+−x(Distribute)

3x+3=4x+7+−x

3x+3=(4x+−x)+(7)(Combine Like Terms)

3x+3=3x+7

3x+3=3x+7

Step 2: Subtract 3x from both sides.

3x+3−3x=3x+7−3x

3=7

Step 3: Subtract 3 from both sides.

3−3=7−3

0=4

all credit goes to mathpapa

5 0
2 years ago
Plzzzzzzzzzzzzz help ;-;
Goshia [24]

Answer:

option A

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5 0
3 years ago
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Can someone explain this??
alexandr402 [8]

Answer:

Step-by-step explanation:

a+(n-1)*d=t_{n}\\\\a+(70-1)*(-43)=t_{70}\\\\a+69*(-43)=500\\\\a-2967=500\\\\a=500+2967\\\\a=3467

4 0
2 years ago
What are the steps to this problem (and the answer?)
Svetradugi [14.3K]

Answer:

(25 {x}^{2}  + 20xy + 16 {x}^{2} )(5x - 4y) =  \\ 125 {x}^{3}  + 100 {x}^{2} y + 80x {y}^{2}  - 100 {x}^{2} y  \\ - 80x {y}^{2}  - 64 {y}^{3}  =  \\ 125 {x}^{3}  - 64 {y}^{3}  \\ please \: give \: brainliest

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2 years ago
Which is the completely factored form of 12x^3-60x^2+4x-20​
Shkiper50 [21]

Answer:

(12x²+4)(x-5)

Step-by-step explanation:

To factor the expression factor by grouping.

(12x³ - 60x²) + (4x - 20)

12x²(x - 5) 4(x-5)

(12x²+4)(x-5)

6 0
3 years ago
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