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seraphim [82]
3 years ago
11

Kiara's birthday celebration started at 2:00 pm. She spent 46 minutes at the trampoline park, Eating cake and opening presents t

ook 29 minutes. She went back to the trampoline park for 25 more minutes. Using the number line, calculate the time Kiara's birthday celebration ended to the nearest quarter hour
Mathematics
1 answer:
Phantasy [73]3 years ago
5 0

Answer:

Im not 100% sure but I got 1.66667 so therefore I would say about 4:00 maybe? Didn't really understand lmk.

Step-by-step explanation: I added 46, 29, and 25 together which gave me 100 and i put that into minutes which gave me 1.66667 which rounds to 1.70 and so if 60 seconds is 1 hour than 2:00 plus 2 hours is 4. That's what I got out of it.

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A store owner paid $8.20 each for shirts and sold them for $20.50 each. what was the percent markup?
Ad libitum [116K]

There is a 150% increase.

Work is attached in the image provided.

5 0
3 years ago
It took Alice 6 5/6 hours to drive to her grandparents' house for Thanksgiving. On the way home, she ran into traffic and it too
salantis [7]

Time taken to drive to her grandparents house = 6 5/6  hours

We convert this mixed into improper fraction, we get = 41/6 hours

Time taken to drive to her grandparents house = 41/6 hours

Time taken to drive back = 8 2/9 hours

We convert this mixed into improper fraction, we get = 74/9 hours

Time taken to drive back = 74/9 hours

Difference between the two = 74/9 - 41/6  = (148-123)/18 = 25/18 hours = 1 7/18 hours

Therefore it took 1 7/18 hours longer to drive back.

6 0
3 years ago
Help with these too, please!!<br> Need 25 and 26
Inessa05 [86]

Answer:

25. Yes, it is a function, because none of the x outputs are repeating

5 0
3 years ago
Read 2 more answers
An equilateral triangle has a side length of 10 inches. find the length of the triangle altitude
olga55 [171]
An equilateral triangle has all side lengths the same, and all angles are 60 degrees. Using this we can split the triangle along its altitude to get two right triangles with a hypotenuse of length 10 and a base of 1/2 of the original length, so 5. Now we can either use the Pythagorean theorem (a^2+b^2=c^2) or the fact that it is a 30 60 90 triangle (angles measure at 30 60 and 90 degrees) Pythagorean theorem is probably easier.
It stated that the squares of the two legs of a right triangle add to the square of the hypotenuse. So a(the altitude)^2+5(the base)^2=10(the hypotenuse)^2
A^2+5^2=10^2
A^2+25=100
A^2=75
A=sqrt(75)
A=5*sqrt(3)

Final answer:
The altitude of an equilateral triangle with side length 10 is 5sqrt(3), or about 8.66
6 0
3 years ago
A number increased by three is the same as quadrupling that number increased by five all divided by four. What is le number?
IrinaVladis [17]

Answer:

The number is infinity

Step-by-step explanation:

Let the unknown number be x

if the number increased by three, then we have;

x + 3

Also quadrupling that number increased by five all divided by four is expressed as;

(4x+5)/4

Equating bith expressions and calculating x;

x+3 = (4x+5)/4

cross multiply;

4(x+3) = 4x + 5

4x+12 = 4x + 5

4x-4x = 5 - 12

0x = -7

x = -7/0

x = ∞

Hence the number is infinity

5 0
3 years ago
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