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chubhunter [2.5K]
3 years ago
5

Can u plzz help me with my homework

Mathematics
1 answer:
schepotkina [342]3 years ago
6 0
The unit rate for Hakim's car is traveling 30 feet per second (I just simplified 600/20). Then the unit rate for Andre's motorcycle would be 25 feet per second (I simplified 300/12). So in conclusion, Hakim's car is traveling faster. So then, 30 > 25.
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What is the minimum value of 2x + 2y in the feasible region?
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Find and graph the feasible region for the following constraints: x + y < 5. 2x<span> + y > 4 ... y = 10/3. x = 30/3 - 10/3 = 20/3. Intersects at (20/3, 10/3). -x + </span>2y<span> = 0. x - </span>2y = 0.
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3 years ago
What basic fact can you use to help you solve 800 x 6?
Roman55 [17]

8 x 6 = 42 add two zeros so 4200

8 0
3 years ago
How many gallons of a 20% acid solution should be mixed with 30 gallons of a 40% solution, to obtain a mixture of 30% acid solut
Alexeev081 [22]

Answer:

30 gallons of 20% acid solution should be mixed.

Step-by-step explanation:

Let x gallons of a 20% acid solution was mixed with 30 gallons of a 40% solution, to obtain a mixture of 30% acid solution.

Therefore, final volume of the solution will be (x + 30) gallons.

Now concept to solve this question is

20%.(x) + 40%.(30) = 30%.(x + 30)

0.20(x) + 0.40(30) = 0.30(x + 30)

0.20x + 12 = 0.30x + 9

0.30x - 0.20x = 12 - 9

.10x = 3

x = \frac{3}{0.1}

x = 30 gallons

Therefore, 30 gallons of the 20% acid solution should be mixed.

4 0
3 years ago
The table shows how the average cost of gasoline at one gas station changed over the past four months. Which graph might a magaz
Dafna11 [192]

Answer:

B/2

Step-by-step explanation:

The table mentions that the time actually starts from the end of the first month, so it cannot be graph one, which starts from 0.

Also, we can see that the values are decreasing over time, meaning it cannot be graph 3, which shows an increase.

thus, we settle the Answer as Graph 2, which satisfies all the needs.

Hope this helps.

5 0
3 years ago
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