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3 years ago

Help me pleaseeeeeeee

Mathematics

1 answer:

brilliants [131]3 years ago

8 0

Don’t fall for the bitly it causes a virus be careful please

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∠1and ∠2 are a linear pair, and ∠2 and ∠3 are vertical angles. m∠1=(3y+10)∘ and m∠3=(5y−30)∘. What is m∠2?

kykrilka [37]

Answer:

$m\angle 2=95^{\circ}$

Step-by-step explanation:

It is given that ∠1 and ∠2 are a linear pair. So, there sum is 180 degrees.

$m\angle 1+m\angle 2=180^{\circ}$ ...(1)

∠2 and ∠3 are vertical angles. So, both are equal.

$m\angle 2=m\angle 3$ ...(2)

From (1) and (2), we get

$m\angle 1+m\angle 3=180^{\circ}$

Substitute $m\angle 1=(3y+10)^{\circ}$ and $m\angle 3=(5y-30)^{\circ}$ in the above equation.

$(3y+10)^{\circ}+(5y-30)^{\circ}=180^{\circ}$

$(8y-20)^{\circ}=180^{\circ}$

$8y-20=180$

$8y=180+20$

Divide both sides by 8.

$y=\dfrac{200}{8}$

$y=25$

The value of y is 25.

Using equation (2), we get

$m\angle 2=m\angle 3=(5y-30)^{\circ}$

Substitute y=25.

$m\angle 2=(5(25)-30)^{\circ}$

$m\angle 2=(125-30)^{\circ}$

$m\angle 2=95^{\circ}$

Therefore, $m\angle 2=95^{\circ}$ .

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3 years ago

What is the value of x in the equation 6x +2y=48 when y=3

iren2701 [21]

Answer:

x=7

Step-by-step explanation:

6x +2y=48

Let y=3

6x+2(3) = 48

6x+6 = 48

Subtract 6 from each side

6x+6-6=48-6

6x= 42

Divide by 6

6x/6 = 42/6

x = 7

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4 years ago

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Find the missing side. Answer without units<br><br> Pls help

Yuliya22 [10]

Answer:

Step-by-step explanation:

Hope This Helps :)

Plz Mark Brainliest !

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3 years ago

Stuart paid $ 48.00 for a New tennis racket ,which was 64% of the original price what was the original price of the racket.

Trava [24]

Seventy five dollars hope this could help[

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4 years ago

On Monday, Rachel bought company stock for $39.60 per share. On Tuesday, the share price changed by -$2.35. On Wednesday, the sh

NemiM [27]

Answer: i belive that it is 38.70

Step-by-step explanation: 39.6 - 2.35 + 1.45 = 38.70

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3 years ago