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3 years ago

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What is the distance between (2, 3) and (-2, 7)?

1 answer:

Zielflug [23.3K]3 years ago

8 0

Answer:

hope this helps you

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In ΔABC, BC = 4 centimeters, m∠B = m∠C, and m∠A = 20°. What is AC to two decimal places?

ipn [44]

M<A = <span>20°
m<B = m<C = 8</span><span>0°

</span>Law of Sines , in any triangle we have
a/sin A = b/sin B = c/sin c<span>

4/sin20 = AC/sin80 = AB/sin80

now we can solve AC

</span>4/sin20 = AC/sin80
<span>AC = 4 (sin80)/ sin20
AC = 4(0.98) / (0.34)
AC = 3.92 / 0.34
AC = 11.52

answer

</span>C.11.52 centimeters<span>

</span>

5 0

3 years ago

Read 2 more answers

Help me please with math

Nady [450]

Answer: There is no question

Can you please show the question?

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2 years ago

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suter [353]

882(88)-9 +u+ exhibit

4 0

3 years ago

Among fatal plane crashes that occurred during the past 5050 years, 699699 were due to pilot error, 8888 were due to other hum

lapo4ka [179]

Answer: Crashes due to pilot error is the most serious threat to aviation safety as it has highest relative frequency.

Step-by-step explanation:

Since we have given that

Number of crashes due to pilot error = 699

Number of crashes due to other human error = 88

Number of crashes due to mechanical problems = 156

Number of crashes due to sabotage = 164

Total number of crashes = 699+88+156+164 = 1167

So, Relative frequency distribution :

Pilot error = $\dfrac{699}{1167}\times 100=59.89\%$

Human error = $\dfrac{88}{1167}\times 100=7.54\%$

Mechanical problems = $\dfrac{156}{1167}\times 100=13.36\%$

Sabtoge = $\dfrac{164}{1167}\times 100=14.05\%$

Crashes due to pilot error is the most serious threat to aviation safety as it has highest relative frequency.

6 0

4 years ago

C 80 km 39 km What is the length of the hypotenuse?

Tresset [83]

Answer:

89 km

Step-by-step explanation:

a^2+b^2=c^2

80^2+39^2=c^2

6400+1521=c^2

7921=c^2

sqrt of 7921=89

5 0

3 years ago