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Marina86 [1]
3 years ago
8

What is the equation of the line that passes through (1, 2) and is parallel to the line whose equation is 2x + y - 1 = 0? 2x - y

- 4 = 0 2x + y - 4 = 0 2x + y + 4 = 0
Mathematics
2 answers:
Nadya [2.5K]3 years ago
4 0

Answer:

2x + y - 4 = 0

Step-by-step explanation:

slope = -2

y = mx + b

2 = -2(1) + b

4 = b

y = -2x + 4

2x + y - 4 = 0

vova2212 [387]3 years ago
3 0

Answer:

the answer is 2x + y - 4 = 0

Step-by-step explanation:

me and my friend did the math and got 2x + y - 4 = 0

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At murky middle school, 372 students ride the bus to school. if this number is 60% of school enrollment, then how many students
KiRa [710]
60% = 372

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Find 1 %
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60% = 372
1% = 372 ÷ 60
1% = 6.2

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Find 100%
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1% = 6.2
100% = 6.2 x 100
100% = 620

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Answer: There are 620 students in the school.
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7 0
3 years ago
Solve each quadratic equation. Show your work. 14. (2x – 1)(x + 7) = 0 15. x2 + 3x = 10 16. 4x2 = 100
andreyandreev [35.5K]
14.  (2x - 1)(x + 7) = 0

Using the zero factor property, we know that either the first or second terms (or both) must be equal to 0 if their product is 0.  We can set each term equal to 0 to find the solutions:

2x - 1 = 0
2x = 1
x = 1/2

x + 7 = 0
x = -7

15.  x^{2} +3x=10

To solve this equation, you first need to set it equal to 0:

x^{2} +3x=10 \\ x^{2} +3x-10 = 0

Next, it can be factored:

x^{2} +3x-10 = 0 \\ (x+5)(x-2)=0

Finally, we can solve just like we did above:

x + 5 = 0
x = -5

x - 2 = 0
x = 2

16.  4x^2=100

First, you can simplify by dividing each side by 4:

4x^2=100 \\ x^2=25

Now, set the equation equal to 0:

x^2=25 \\ x^2-25=0

Next, factor:

x^2-25=0 \\ (x+5)(x-5)=0

Finally, find the solutions:

x + 5 = 0
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x - 5 = 0
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6 0
3 years ago
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Evgen [1.6K]
64/3274=0.019547954
Hope this helps.
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3 years ago
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Kipish [7]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Jackie has $33, and needs to get a taxi. The cost for a taxi is a fee of $5, plus $7 per mile. Which inequality would help Jacki
Rus_ich [418]

Answer:

5 + 7x \le 33

Step-by-step explanation:

Given

Base\ Charge = 5

Additional = 7 per mile

Total = 33

Required

Determine the inequality

First, we need to determine the total cost for x miles.

Cost = Base\ Charge + Additional * x

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Cost = 5 + 7x

The total cost can not exceed the amount he has, so the inequality is:

Cost \le Total

5 + 7x \le 33

3 0
3 years ago
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