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Contact [7]
3 years ago
9

a pound of ground beef costs $2.00. you have a coupon for 25% off. how much will you pay for a pound of beef?

Mathematics
2 answers:
artcher [175]3 years ago
6 0
$2.00=100%-25%=75%
50%=$1.00
so that means 75% =$ 1.50
Leni [432]3 years ago
6 0
Your are paying 1.50$ for a pund of ground beef
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If f(x)=x/2+8, what is(fx) when x=10
Serjik [45]

Answer:

13

Step-by-step explanation:

f(x) =  \frac{x}{2}  + 8 \\ plug \: x = 10 \\ f(10) =  \frac{10}{2}  + 8 \\  f(10) = 5 + 8 \\ f(10) = 13 \\  \implies \: f(x) = 13 \\

4 0
3 years ago
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On average, a commercial airplane burns about 3.9 × 10³ mL of gasoline per second. There can be as many as 5.1 × 10³ airplanes i
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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}

     = 036^{o}

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

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

048° + 036^{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
13s - r^2; if r = 9 and s = 6
FromTheMoon [43]

Answer:

27

Step-by-step explanation:

r = 9

s = 6

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= r x r

= 9 x 9

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13s

= 13 x 6

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= 27

8 0
2 years ago
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If x =4 calculate the value of 2x squared - 5
Vlad1618 [11]
<span>2x squared - 5 
= 2(x)^2 - 5
= 2(4)^2 - 5
= 2(16) - 5
= 32 - 5
= 27</span>
3 0
3 years ago
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