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ryzh [129]
3 years ago
13

What the distance between (2,1) and (-5,8)

Mathematics
2 answers:
viva [34]3 years ago
7 0
Exact form = 7 √2
Decimal form= 9.899
Brut [27]3 years ago
4 0

Answer:

\sqrt{98} or 9.89949

Step-by-step explanation:

use the distance formula

d=\sqrt{(x_{2}-x_{1} )^{2} +(y_{2}-y_{1})^{2}    }

d=\sqrt{(-5-2)^{2}+(8-1)^{2}  }

d=\sqrt{(-7)^{2} +(7)^{2} } \\\\\sqrt{49+49}

d=\sqrt{98} or 9.89949

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Can anyone help solve question3 the (ii) and the question2 match the following
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Answer:

2.

i) (c)

ii) (d)

iii) (b)

iv) (a)

3.

ii)  80°

Step-by-step explanation:

2.

i) 2x+x+3x=180°

x=30°

ii) x+110=180

x=70

iii) x+2x+30°=180

x=50°

iv) 2x+15°+45°+x=180

3x+60°=180

x=40°

3.

ii) 2x+5+25=180°

2x+30°=180°

x=75°

the measure:  x+5°= 75°+5°=80°

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3 years ago
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There are 12 inches in a foot and three feet in a yard. How many inches are in 4 yards?
wolverine [178]

Answer:

144

Step-by-step explanation:

12*3*4=144

12*3=36

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