X-intercepts are found by factoring. Use the quadratic formula on the first since it's in standard form and you find that your x values are in fact -3 and 7. For the second one, use the Zero Product Property that says that x - 3 = 0 or x + 7 = 0. Therefore, x = 3 and -7. Signs are wrong. So not the second one. As for the third one, if you factor out a 3, your polynomial is exactly the same as the first one which did give us the desired x values. So the third one checks out. If you FOIL out the first one and then apply the quadratic formula you do get x = 3 and -7. So the fourth one checks out too. For the last one, putting it into the quadratic formula gives you x values of 3 and -7, so no to that one. Summary: 1st, 3rd, 4th have zeros of -3 and 7; 2nd and 5th do not.
I am not sure if what I am about to explain is correct but I hope it is somewhere along the correct path
To solve the problem use the following steps below....
Step 1: Take your numbers and place them in parentheses
(4-1/6)
Step 2: Turn your whole number,4, into a fraction
6/6=1
6/6x4=24/6
Step 3: Place your new fraction back into the problem
(24/6-1/6)
Step 4: Use the operation,subtraction, and minus 1/6 from 24/6
(23/6)
24/6 minus 1/6=23/6
Step 5(is optional): Turn 23/6 into a mixed fraction by dividing 23 by 6
23<span>÷6= 3 5/6
Step 6(is optional): put your answer into a final statement
(4-1/6)=23/6=3 5/6
Answer: 3 5/6
I hope this helps and I apologize in advance if any false information was given.
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9514 1404 393
Answer:
342 mm²
Step-by-step explanation:
The triangle shown has a base of 9 mm and a height of 76 mm. Its area is ...
A = 1/2bh
A = (1/2)(9 mm)(76 mm) = 342 mm²
The triangle shown has an area of 342 mm².
_____
<em>Additional comment</em>
The other leg of the right triangle with one leg 76 mm and hypotenuse 100 mm will be about 65 mm. The base shown is 9 mm, so any triangle with the dimensions shown will be a fairly skinny obtuse triangle, not the acute triangle in the picture. (This makes us suspect an error: the 9 mm dimension maybe should be 90 mm.)
5y+2x-3=0
5y=-2x+3
y=-2/5 x+3
Sope intercept of the line is y=-2/5 x+ 3/5.
The intercept is 3/5.
Check: x=0 when y=3/5
5y+2x-3=0
5(3/5)+2x-3
3+2x-3=0
2x=0
x=0
Correct
The answer is 3/5.
Answer:
2.79166666667
Step-by-step explanation:
