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Eva8 [605]
3 years ago
12

4. On the way to the movies, you get pulled over for speeding. The ticket costs $120 plus $20 for every mph above the speed limi

t you were driving. If your ticket costs $280, how many mph above the speed limit were you driving? *
20x+280=120
120-20x=280
120x+20=280
120+20x=280
Mathematics
1 answer:
pickupchik [31]3 years ago
6 0

Answer: 120+20x=280

Step-by-step explanation:

280-120=160

160/20=8

The correct answer is the last one, 120+20x=280

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Can you please help me on #12 pls <br> And also no links
Sindrei [870]

Answer:

12) Well follow the orders of operations

Parentheses

Exponents

Mulitpacation - division (left to right)

Addition - subtraction (left to right)

Well we see an exponents lets do that first

6^2=36

And basically theres these parenthesis on the side for each so really its

(8+36) / (11)

This only occurs if the number is presented like this as diviosn or a fraction.

Now we solve that

8+36= 44

44/11=4

4+7*2

Thats the final equation

Well multiply first

7*2=14

14+4=18

The answer would be 18

7 0
2 years ago
8. A 140-pound female has three mixed drinks one right after the other.
Sonja [21]

The BAC of the female is an illustration of proportion

  • The BAC after consuming the three drinks is 0.029w
  • The BAC three hours after consuming the drinks is 0.087 w

<h3>How to calculate the BAC?</h3>

BAC is calculated using:

BAC = Alcohol consumed/(Body Weight * R)

The weight is given as:

Body weight = 140 lb

Convert to kg

Body weight = 63.5 kg

For female

R = 0.55

So, we have:

BAC = Alcohol/(63.5 * 0.55)

BAC = Alcohol/34.925

BAC = 0.029Alcohol

The weight or volume of the alcohol consumed is given.

So, we represent it with w.

BAC = 0.029w

Hence, the BAC after consuming the three drinks is 0.029w

<h3>How to calculate the BAC after 3 hours?</h3>

We have:

BAC1 = 0.029w

Time (t) = 3 hours

The BAC after 3 hours is

BAC = BAC1 * (t - 0.015)

So, we have:

BAC = 0.029w * (3 - 0.015)

Evaluate the product

BAC = 0.087w

Hence, the BAC three hours after consuming the drinks is 0.087 w

Read more about BAC at:

brainly.com/question/1781657

7 0
2 years ago
What is (567x237)x(467x939)<br> i will mark brainliest
8_murik_8 [283]

Answer:

58926938427

Step-by-step explanation:

7 0
2 years ago
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Kobotan [32]

Answer:

see below

Step-by-step explanation:

AB = DC Given

AO = BO = OD = DC Def. of radii

ΔOAB ≅ ΔOCD SSS

x = 77° CPCTC

5 0
3 years ago
Under what operation are the set of integers closed? Explain your answer
torisob [31]
The set of integers is closed under addition, subtraction, and multiplication because when i add, subtract, or multiply any integers, the result is always an integer.
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3 years ago
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