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EleoNora [17]
3 years ago
7

If you have 63 books and you donate 1/3 of you’re books how many will you have left

Mathematics
1 answer:
ryzh [129]3 years ago
6 0

Answer: 42

Step-by-step explanation: you would do 63 divided by 3 then you would get 21 and do 21×2 and get 42

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You are traveling at 75 miles per hour on a straight stretch of highway in Nevada. It is noon now. When will you arrive at the n
Levart [38]
Right now it is noon..... you are traveling 75 miles per hour meaning you'll move 75 miles... every hour. so you're 120 miles away so now we need to figure out the time.... to do this we already know 1 hour is 75 miles so now you can subtract one hour 120-75= 45 so 75 per hour, what would 45 be?..... so we can set up a fraction to figure out how long it takes to travel one minute.... so 60/75(the 60 is for minutes in an hour). which is .8 of a second to travel one mile so.... now you can multiply to check your work. .8*75=60 mins.... so now multiply.8*45(miles left)=36 so you'd get there at 1:36 it would take an hour and 36 mins to get to your destination going 75mph
6 0
3 years ago
Can an opposite and an absolute value of an integer be the same?
krek1111 [17]

Yes and opposite and an absolute value of an integer will be the same.

8 0
3 years ago
A car manufacturer wants to analyze the safety features of 7 different car models by comparing each model with every other model
klio [65]

Answer:

28,000

Step-by-step explanation:

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8 0
3 years ago
If all of the angles of a hexagon are congruent, then what is the measure of each angle?
Nastasia [14]
<span>he total number of internal degrees is (n-2)*180 = 4*180 = 720 degrees.
-----
let a = one of the congruent angles.
you have:
angles 1, 2, and 3 = a.
-----
if a = 2 * angle 4, then angle 4 = 1/2 * a
-----
if a = 1/2 * angle 5, then angle 5 = 2 * a
-----
we have:
angle 1 = a
angle 2 = a
angle 3 = a
angle 4 = 1/2 * a
angle 5 = 2 * a
angle 6 = 115
</span><span>-----
since the sum of the angles is equal to 720, we have:
3*a + 2*a + 1/2*a + 115 = 720
combine like terms to get:
5.5 * a + 115 = 720
subtract 115 from both sides to get:
5.5 * a = 720 - 115 = 605
divide both sides by 5.5 to get:
a = 720/5.5 = 110
-----
angle 1, 2, and 3 are each 110 degrees.
angle 4 = 55 degrees
angle 5 = 220 degrees
angle 6 = 115 degrees
-----
the question is:
What is the measure of the smallest angle?
the answer is:
55 degrees.</span>
4 0
3 years ago
Read 2 more answers
The perimeter of the triangular park shown on the right is 10x+2. What is the missing length ? 2x+5. X-1
Kipish [7]
If the two lengths of the triangle are 2x+6 and x-1

(2x+5)+(x-1)=3x+4

(10x+2)-(3x+4)= 7x-2
5 0
3 years ago
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