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Delicious77 [7]
3 years ago
13

Can someone help me plz and thank u

Mathematics
1 answer:
alexandr402 [8]3 years ago
3 0

Answer:

<A = 44

Step-by-step explanation:

A triangle is 180 degrees

(x+59) + (x+51) + 84 = 180        >> add everything on the left side

2x + 194 = 180                          >> subtract both sides by 194

2x = -14                                     >> divide both sides by 2 to get x alone

x = -7

since you are finding A<, substitute

<A = x + 51

<A = (-7) + 51

<A = 44  

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If 35% of a number is 17.5, what is 90% of the<br> number?
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45

Step-by-step explanation:

35%=0.35

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Step-by-step explanation:

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Masteriza [31]

Answer:

(2,-5) and (2,1).

Step-by-step explanation:

We need to find the find all the points having an x coordinate of 2 whose distance from the point (-2,-4) is 5.

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Standard form of a circle is

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(x-(-2))^2+(y-(-4))^2=(5)^2

(x+2)^2+(y+2)^2=25

Now, put x=2.

(2+2)^2+(y+2)^2=25

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(y+2)^2=25-16

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y+2=\pm\sqrt{9}

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So, the y-coordinates of the points are -5 and 1.

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8 0
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