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3 years ago

(7,-2) and has a slope of -3

Mathematics

1 answer:

Rudiy273 years ago

5 0

Y+2=-3(x-7) is one of the formations

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Mindy conducted a survey of the phones in 4 stores and wrote The Following observations:

balu736 [363]

The first one is 75% i think I dont know if thats the answer though hold on and I'll get you the others

5 0

3 years ago

Solve cos(2x)=1-sin(x)

Vedmedyk [2.9K]

Given:

$cos(2x)=1-sin(x)$

Expanding using double angle formula,

$1 - 2 \sin^{2} (x) = 1 - \sin(x)$

Rearranging into a single equation,

$1 - 2 \sin^{2}(x) - 1 + \sin(x) = 0$

Combining like terms,

$- 2 \sin^{2} (x) + \sin(x) = 0$

Now multiplying each term by -1,

$2 \sin^{2} (x) - \sin(x) = 0$

Factor greatest common factors out,

$\sin(x)(2 \sin(x) - 1) = 0$

Applying Zero property rule,

$\sin(x) = 0 \: or \: 2 \sin(x) - 1 = 0$

• Solve the trignometric equation to find a particular solution,

$x = 0 \: or \: x = π$

$= > x = 2nπ \: or \: x = π + 2nπ$

• Find the union of the solution sets,

$x = nπ$ }

• Rearrange unknown terms to the left side,

$2 \sin(x) = 1$

• Divide both sides of the equation by the coefficient of variable,

$\sin(x) = \frac{1}{2}$

• Solve the trignometric equation to find a particular solution,

$x = \frac{π}{6} \: or \: x = \frac{5π}{6}$

$= > x = \frac{π}{6} + 2nπ \: or \: x = \frac{5π}{6} + 2nπ,n∈Z$

}

☆ Now finding the union of both sets

$x = nπ \: or \: x = \frac{π}{6} + 2nπ \: or \: x = \frac{5π}{6} + 2nπ,n∈Z$

Hence, the answer is $x = nπ \: or \: x = \frac{π}{6} + 2nπ \: or \: x = \frac{5π}{6} + 2nπ,n∈Z$

3 0

3 years ago

He table shows the number of minutes Jalen talks on his mobile phone and the cost of the phone calls.

GREYUIT [131]

Answer:

y=0.5x

Step-by-step explanation:

i took the test on edg

8 0

4 years ago

Select the expression that is equivalent to m(y + o).

9966 [12]

Answer:

Option B is correct.

Step-by-step explanation:

m(y + o)

=> my + mo

Therefore, Option B is correct.

Hoped this helped.

3 0

3 years ago

Read 2 more answers

Given circle B below, find the value of x.

Arte-miy333 [17]

Answer:

B. 44°

Step-by-step explanation:

Central angle = 3x + 10°

Inscribed angle = 2x - 17°

Now

Central angle = 2 * inscribed angle

( Central angle is double of the inscribed angle standing on same arc)

3x + 10° = 2 ( 2x - 17°)

3x + 10° = 4x - 34°

4x - 3x = 34 ° + 10°

x = 44°

Hope it will help :)❤

4 0

3 years ago