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vitfil [10]
3 years ago
9

You plan on taking a 1170 mile long trip in your car, which average 19.5 miles per gallon. About how many gallons of gas will yo

u use? If gas costs 2.85 dollars per gallon, how much do you expect to spend on gas?
Mathematics
2 answers:
kiruha [24]3 years ago
8 0
171 dollar because 1170 divde by 19.5 is 60 times 2.85 is 171
kotykmax [81]3 years ago
5 0
Divide this problem into two parts:
1) Find the # of gallons of gas that will be used
2) Find the cost of this gas

1)  
1170 miles
--------------- = 60 gallons (answer to Part 1)
 19.5 mpg

2) (60 gallons)($2.85/gallon) = $171 (answer to Part 2)
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Answer:

The distance between A(-8, 4) and B(4, -1) is 13 units.

Step-by-step explanation:

To find the distance between any two points, we can use the distance formula given by:

\displaystyle d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2

We have the two points A(-8, 4) and B(4, -1). Let A(-8, 4) be (<em>x₁, y₁</em>) and let B(4, -1) be (<em>x₂, y₂</em>). Substitute:

d=\sqrt{(4-(-8))^2+(-1-4)^2}

Evaluate:

d=\sqrt{(12)^2+(-5)^2}

So:

d=\sqrt{144+25}=\sqrt{169}=13\text{ units}

The distance between A(-8, 4) and B(4, -1) is 13 units.

7 0
3 years ago
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Which subset of real numbers does not contain the number 1?
Leni [432]

Answer:

I think the answer might be c or b.I hope this helps

5 0
3 years ago
What fraction is not equivalent to 36/60
Andreyy89
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3 years ago
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Solve completely (all missing sides and all missing angles) using trig ratios or laws. Round to the nearest tenth.
hodyreva [135]

Answer:

Step-by-step explanation:

3. Use Cosine law to find the  length of the unknown side (PR)

q² = p² +  r² - 2prCos Q

q is the opposite side of ∠Q;  

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q² = 33² + 67² -  2* 33*67 Cos 19°

    = 1089 + 4489 - 4422 * 0.95

     = 1089 + 4489 - 4200.9

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q = √1377.1

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To find the angle use law of sin

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Sin P = 0.3

P = Sin^{-1} 0.3\\

P = 17.5°

∠R = 180 - (19 + 17.5)

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2 years ago
4x + 3y =4 2x - y =7 in substitution
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