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2 years ago

If $176 is paid for 10 pounds of goods how much must be paid for 39 pounds

Mathematics

2 answers:

juin [17]2 years ago

5 0

Cost per pound is 176 / 10 = $17.60

cost for 39 pounds = 39 * 17.6 = $686.40

Ilya [14]2 years ago

4 0

The answer should be 686.40

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6) Two coastguard stations P and Q are 17km apart, with due East of P. A ship S is observed in distress on a bearing 048° fromP

adelina 88 [10]

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°

<Q = $360^{o}$ - $324^{o}$

= 0 $36^{o}$

Sum of angles in a triangle = $180^{o}$

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

048° + 0 $36^{o}$ + <S = $180^{o}$

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

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

= $96^{o}$

<S = $96^{o}$

Applying the Sine rule,

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

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

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

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

⇒ y = $\frac{12.63338}{0.99452}$

= 12.703

y = 12.70 km

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

$\frac{x}{Sin 36^{o} }$ = $\frac{17}{Sin 96^{o} }$

$\frac{x}{0.58779}$ = $\frac{17}{0.99452}$

⇒ x = $\frac{9.992430}{0.99452}$

= 10.0475

x = 10.05 km

Thus,

the ship S is at a distance of 10.05 km to coastguard P, and 12.70 km to coastguard Q.

6 0

3 years ago

What is the answer to 350(.03)(21)

rosijanka [135]

Answer:

220.5

Step-by-step explanation:

4 0

3 years ago

I broke my laptop sorry about the spots

Sergeu [11.5K]

Answer: $3x^2-x+3$

Step-by-step explanation:

$(4x^2-x+6)-(x^2+3)$

Distribute the negative sign. This basically changes all the signs inside the parentheses.

$4x^2-x+6-x^2-3$

Combine like terms;

$3x^2-x+3$

7 0

2 years ago

2 7/15÷3 2/3= anyone k ow this

avanturin [10]

U times 2 and seven and divide that by 3 and then dive 3 by 2 and that should leave u with three numbers.
514 and 1.5 times those together and there u go
105

6 0

2 years ago

Read 2 more answers

Two x subtracted by eight<br> 2x + 8

tatiyna

Answer:

(2x-8)(2x+8)

4x squared -64 is the answer

how you get it is by multiplying 2x times 2x to get 4x squared and -8 times 8 = -64

hope this helps

if this is algebra 1 then this is right

5 0

2 years ago