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xeze [42]
2 years ago
9

Find the domain and range of: {(-2,0), (-1,1), (0,2),(1,3)}

Mathematics
1 answer:
Harman [31]2 years ago
6 0

Answer: domain: {-2, -1, 0, 1}

range: {0, 1, 2, 3}

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Courtney walked from her house to the beach at a constant speed of 4 kilometers per hour, and then walked
RUDIKE [14]

<em><u>The system of equations that represents this situation are:</u></em>

q + p = 2

4q + 5p = 8

<em><u>Solution:</u></em>

Let  q be the number of hours it took Courtney to walk from her house to the beach

Let p be the number of hours it took her to walk from the beach to the park

<em><u>The entire walk took 2 hours</u></em>

Therefore,

q + p = 2 ------- eqn 1

<em><u>The  total distance Courtney walked was 8 kilometers</u></em>

Total distance = 8 km

Courtney walked from her house to the beach at a constant speed of 4 kilometers per hour

Then walked  from the beach to the park at a constant speed of 5 kilometers per hour

<em><u>Distance is given as:</u></em>

distance = speed \times time

<em><u>From her house to the beach:</u></em>

distance = 4 \times q = 4q

<em><u>From the beach to the park:</u></em>

distance = 5 \times p = 5p

We know that,

Total distance = 8 km

Therefore,

4q + 5p = 8 ------ eqn 2

<em><u>Thus the system of equations that represents this situation are:</u></em>

q + p = 2

4q + 5p = 8

8 0
3 years ago
How many 1/8 make a 1/4?
Dmitry_Shevchenko [17]

Answer:

2

Step-by-step explanation:

1/8+1/8= 2/8=1/4

8 0
3 years ago
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How can you use a right angle to determine the classification of another angle?
nirvana33 [79]
you can measure the first angle with a protractor and then measure the other one see if there is a different angle
7 0
3 years ago
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Which has the best unit rate grande 16oz $4.25 or venti 20oz $4.55
sergejj [24]
4.25/16=0.265625
4.55/20=0.2275

Answer: Grande 16 oz
3 0
3 years ago
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I take 8th grade honors math but i straight up cant figure this out
Rufina [12.5K]

The price of the fries would be $2.50, the price of the drink would be $2.50, and the price of the cheeseburger wold be $7.50.

We can write a set of equations to represent the prices, if 'f' is fries, 'd' is drink, and 'c' is cheeseburger:

c = 3f

f = d

Using these equations, we can then write out the sum of the items also, as it would be c + f + d = 12.50, but as we know that c = 3f and d = f, we can write it as 3f + f + f = 12.50, and then solve:

3f + f + f = 12.50

5f = 12.50

÷ 5

f = $2.50

Now that we know the price of the fries, we know that the price of the drink is the same, so the drink is also $2.50. Then, we can multiply 2.50 by 3 as we know that the cheeseburger is 3 times the cost of the fries, and 2.50 × 3 = 7.50.

I hope this helps!

4 0
3 years ago
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