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beks73 [17]
2 years ago
11

Is (3, 0) a solution to the equation y = 5x + 3? * 1 point

Mathematics
1 answer:
Sav [38]2 years ago
7 0

Answer:

no

Step-by-step explanation:

Substitute x = 3 into the equation and if the result is 0 then it is a solution

y = 5(3) + 3 = 15 + 3 = 18 ≠ 0

Then (3, 0 ) is not a solution to the equation

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Quadratic Word Problems
Anit [1.1K]
4. Let the numbers be x - 2, x, and x + 2, where x is an odd number.
2(x² - 4) - 4x = (x + 2)² + 21
2x² - 8 - 4x = x² + 4x + 4 + 21
2x² - 4x - 8 = x² + 4x + 25
x² - 8x - 33 = 0
(x - 11)(x + 3) = 0

x = 11, or -3
When x = 11, x - 2 = 9, x + 2 = 13

When x = -3, x - 2 = -5, x + 2 = -1

Explanation: You are on the right track. However, rather than having three unknown variables, try to reduce your working out to one unknown variable. Since you know they are consecutive odd numbers, you can simply let x be the middle term and the other two be + and - 2, provided x is an odd number.

That will reduce your variable issues, and helps as the first and third provide a difference of two squares, and this works out very nicely.

Q5: is essentially the same process. Let your variables be something in the form of one unknown variable, and you should be okay from there. Let me know if you're stuck.
5 0
3 years ago
The traffic fine for speeding in a school zone in one town is $20 plus $6 for every mile per hour above the speed limit that the
sasho [114]
>. $20 + (4 x $6)
>. $20 + $24

= $44
4 0
3 years ago
What is the slope of the equation y= 5/4x - 7/4?<br> –7<br> -7/4<br> 5/4<br> 5
Scilla [17]

Answer:

5/4

Step-by-step explanation:

5 0
3 years ago
6. Find the volume of the composite figure. ​
Elenna [48]

Answer:

4×6=24

24×15=360

360×2=720

15-12=3

3×6=18

18×18=324

324+720=1044inches

4 0
3 years ago
Please help me!!<br> Best one gets brailiest!
brilliants [131]
<h3>Answer:  8 = g/3</h3>

Explanation:

When translating word problems into equations, the word "is" often means "equal sign"

The term quotient is the result of a division problem. So "quotient of g and 3" means "g divided by 3" or g/3.

5 0
3 years ago
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