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Radda [10]
3 years ago
7

What is the solution to 2x-y=7 Y=2x+3

Mathematics
1 answer:
Alecsey [184]3 years ago
8 0

Step-by-step explanation:

2x-y=7

x=(y+7)/2

again

x=(y-3)/2

now

solve it

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Denis is looking to buy a new car. He can take a loan out for $10,500 with an interest rate of 5% for 4 years. How much would hi
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Answer: 12,600

Step-by-step explanation: 5% of 10,500 is 525. Multiply that by 4 and get 2,100. Add that to 10,500 and you get 12,600.

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Express the rate 50 yards per minute in feet per second. Please answer with supporting work.
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How do I solve this?
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5 0
3 years ago
The population of California is approximately 38,040,000. The population of Texas is about 2.606 × 107. What is the approximate
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Answer:

The total population of these two states is:

3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41

Therefore, option C is correct.

Step-by-step explanation:

  • The population of California is approximately 38,040,000.
  • The population of Texas is about 2.606 × 10⁷.

Writing the population of California i.e.38,040,000  in scientific notation by moving the decimal point 7 places to the left and dropping the 0's on the right  side as they're after the decimal point now.

i.e.

38,040,000 = 3.804 x 10⁷

So adding 3.804 x 10⁷ and 2.606 × 10⁷

i.e.

3.804\times \:10^7+2.606\times \:10^7

\mathrm{Add\:similar\:elements:}\:10^7\times \:3.804+10^7\times \:2.606=10^7\times \:6.41

Thus, the total population of these two states is:

3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41

Therefore, option C is correct.

4 0
3 years ago
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the is c.32$&$&#&#

Step-by-step explanation:

&&&&

4 0
3 years ago
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