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3 years ago

The airplane travels 1,650 miles in 3 hours. What is the unit rate?

Mathematics

1 answer:

aliya0001 [1]3 years ago

6 0

Answer:

550 miles per hour

Step-by-step explanation:

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In ΔABC, ∠B measures 35° and the values of a and b are 19 and 11, respectively. Find the remaining measurements of the triangle,

Anna35 [415]

Answer:

a) ∠A = 82.2° , ∠C = 62.8° , c = 17.01

Step-by-step explanation:

Explanation:-

Step(i):-

Given data ∠B measures 35° and the values of a and b are 19 and 11

∠B = 35° and sides a = 19 and b = 11

By using sine rule

$\frac{a}{sin A} = \frac{b}{sin B} = \frac{c}{Sin C} = 2 R$

now we will use

$\frac{a}{sin A} = \frac{b}{sin B}$

$\frac{19}{sin A} = \frac{11}{sin 35}$

cross multiplication , we get

$\frac{19 X sin 35}{11} = sinA$

sin A = 0.990

A = sin⁻¹( 0.990) = 82.2°

∠A = 82.2°

Step(ii):-

we know that ∠A +∠B +∠C = 180°

∠C = 180° - ∠A -∠B

∠C = 180° -82.2°-35°

∠C = 62.8°

Step(iii):-

we will use formula

$\frac{b}{sin B} = \frac{c}{Sin C}$

$\frac{11}{sin 35} = \frac{c}{Sin 62.8}$

$\frac{11 X sin (62.8)}{sin 35} = C$

c = 17.01

Final answer:-

∠A = 82.2° , ∠C = 62.8° , c = 17.01

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Johann baked 24 cookies for a picnic with his friends. Of the 10 friends he invited, 7 friends were able to attend the picnic. I

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It is 3 cookies beacuse it is 7 friends and your self

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I wanna buy 3/8 a pound of Swiss cheese and 1/4 pound of American cheese.which pairs of fractions are equivalent to the amount a

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3 years ago

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krek1111 [17]

Answer:

r=3

Step-by-step explanation:

The diameter is double the radius. So, divide by 2.

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