I am almost positive that it is A. Because the lines mean absolute value so that would change the negative numbers to positive. And since there is not a line under the less than sign 4 can not be in the answer.
Nearest tenth it would be <em><u>360</u></em><em><u /></em><u /> because the ones digit (3) is less than 5 so we have to round down.
Nearest hundred would be <em><u>400</u></em><em><u /></em><u /> because the tens and ones digit (63) is closer to 400 than it is to 300. So we would have to round up.
Hope that helps :)
Answer:
The measures of the acute angles are 38 and 52 degrees.
Step-by-step explanation:
In a right triangle, there are three angles, a right angle and two acute angles. In every traingle, the sum of the measures of the angles is 180 degrees. Let's call the acute angles
and
.
![a + b +90 = 180](https://tex.z-dn.net/?f=a%20%2B%20b%20%2B90%20%3D%20180)
The problem also says that one angle is twice the difference of the other angle and 12. That would look like this:
![a = 2(b-12)](https://tex.z-dn.net/?f=a%20%3D%202%28b-12%29)
Now we have two equations. If we simplify them, we get these:
![\left \{ {{a=90-b} \atop {a=2b-24}} \right.](https://tex.z-dn.net/?f=%5Cleft%20%5C%7B%20%7B%7Ba%3D90-b%7D%20%5Catop%20%7Ba%3D2b-24%7D%7D%20%5Cright.)
Now you can substitute
in the first equation for
in the second equation
![90-b=2b-24](https://tex.z-dn.net/?f=90-b%3D2b-24)
Add
to both sides of the equation
![90 = 3b-24](https://tex.z-dn.net/?f=90%20%3D%203b-24)
Add
to both sides
![114 = 3b](https://tex.z-dn.net/?f=114%20%3D%203b)
Divide both sides by 3
![38 = b](https://tex.z-dn.net/?f=38%20%3D%20b)
Now, you can substitute
for
in the first equation and simplify.
![a = 90-38](https://tex.z-dn.net/?f=a%20%3D%2090-38)
![a=52](https://tex.z-dn.net/?f=a%3D52)
Therefore,
, and ![b=38](https://tex.z-dn.net/?f=b%3D38)
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Answer:
0 or -5/768
Step-by-step explanation:
192x * 4 is 768x
Now you have 768x=-5
If you divide both sides by 768 you get -5/768
In decimal form that is -0.006510416
If you round the decimal to the nearest tenth you get 0
I hope this helps!
Please give brainliest if it did help
Answer:
5 hrs
Step-by-step explanation:
7 1/2 hours equates to 450 minutes total
2/3 of 450 = 300 total minutes
turning the minutes back into hours, 300 / 60 = <u>5</u>