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3 years ago

Solve for s. 15.32 − 8.4s = –9.65 + 14.3s

Mathematics

2 answers:

vlada-n [284]3 years ago

7 0

Answer:

s = 1.1

Step-by-step explanation:

To solve this, we will need to begin by isolating the variable. Move s to one side, and constants to the other.

15.32 - 8.4s = -9.65 + 14.3s

Add 8.4s to both sides, and 9.65 to both sides, giving us:

24.97 = 22.7s

Dividing both sides by 22.7 results in:

s = 1.1

snow_tiger [21]3 years ago

5 0

So the right answer is 1.1

look at the attached picture

hope it will help you

good luck on your assignment

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Answer:

The speed of the plane in still air is 590 mph

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Step-by-step explanation:

Let's call:

x = Speed of the plane in still air

y = Speed of the wind

The plane traveled d=4575 miles with the wind in t=7.5 h. The speed calculated with this data corresponds to the sum of the speed of the plane and the speed of the wind, thus:

$\displaystyle x+y=\frac{4575}{7.5}=610$

x + y = 610 [1]

The plane traveled 4275 miles in 7.5 hours against the wind, thus the speed calculated is x - y:

$\displaystyle x-y=\frac{4275}{7.5}=570$

x - y = 570 [2]

Adding [1] and [2]:

2x = 610 + 570 = 1180

x = 1180 / 2 = 590

From [1]:

y = 610 - 590 = 20

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The speed of the wind is 20 mph

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2 years ago

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Answer:

Step-by-step explanation:

9 times 3

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2 years ago

Decimals between 4.2 and 5.4 with an interval of 0.3 between each pair of decimals

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Answer:

The ship S is at 10.05 km to coastguard P, and 12.70 km to coastguard Q.

Step-by-step explanation:

Let the distance of the ship to coastguard P be represented by x, and its distance to coastguard Q be represented by y.

But,

<P = 048°

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<P + <Q + <S = $180^{o}$

048° + 0 $36^{o}$ + <S = $180^{o}$

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<S = $180^{o}$ - $84^{o}$

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<S = $96^{o}$

Applying the Sine rule,

$\frac{y}{Sin P}$ = $\frac{x}{Sin Q}$ = $\frac{z}{Sin S}$

$\frac{y}{Sin P}$ = $\frac{z}{Sin S}$

$\frac{y}{Sin 48^{o} }$ = $\frac{17}{Sin 96^{o} }$

$\frac{y}{0.74314}$ = $\frac{17}{0.99452}$

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