Answer:
1900×9÷100
19×9=171
ok if you any doubt say me
Answer:
168 hours
8,736 hours
Step-by-step explanation:
1)
<em>Determine how many hours are equal to 1 week. </em>
1 week = 7 days
1 day = 24 hours
1 week * (7 days)/(1 week) * (24 hours)/(1 day) = 168 hours
2)
<em>How many hours are in a year (52 weeks)?</em>
1 week = 168 hours
1 year * (52 weeks)/(1 year) * (168 hours)/(1 week) = 8,736 hours
Answer:
Step-by-step explanation: Answer is A
BBB it is b the answer is b
Answer:

Step-by-step explanation:
<u>Given function:</u>

<u>We can also write it as:</u>

x-intercept is the point where y = 0
Put y = 0 in the above equation
![0=x^2-7\\\\Add \ 7 \ to \ both\ sides\\\\7 = x^2\\\\Take \ sqrt \ on \ both \ sides\\\\\pm \sqrt{7} =x\\\\x = \pm \sqrt{7} \\\\\rule[225]{225}{2}](https://tex.z-dn.net/?f=0%3Dx%5E2-7%5C%5C%5C%5CAdd%20%5C%207%20%5C%20to%20%5C%20both%5C%20sides%5C%5C%5C%5C7%20%3D%20x%5E2%5C%5C%5C%5CTake%20%5C%20sqrt%20%5C%20on%20%5C%20both%20%5C%20sides%5C%5C%5C%5C%5Cpm%20%5Csqrt%7B7%7D%20%3Dx%5C%5C%5C%5Cx%20%3D%20%5Cpm%20%5Csqrt%7B7%7D%20%5C%5C%5C%5C%5Crule%5B225%5D%7B225%7D%7B2%7D)