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nasty-shy [4]
4 years ago
9

Find the elapsed time.

Mathematics
1 answer:
Firlakuza [10]4 years ago
6 0
9 h 5 min is the correct answer
You might be interested in
Two consecutive numbers can be represented by x and x - 1. The product of two consecutive numbers is equal to 35 more than eleve
USPshnik [31]

funzo


the numbers are x and x-1


a.

"product of them is equal to 35 more than 11 times sum of them" translated to maths is

(x)(x-1)=35+11(x+x-1)

we need to get it into standard form (0=ax^2+bx+c)

expand

x^2-x=35+11(2x-1)

x^2-x=35+22x-11

x^2-x=22x+24

x^2-23x-24=0


b.

factor

what 2 numbers multiply to get -24 and add to get -23?

-24 and 1

(x-24)(x+1)=0

set each equal to 0

x-24=0, x=24

x+1=0, x=-1

the solutions are 24 and -1


c.

if x=24, then x-1=23, the 2 numbers are 24 and 23


if x=-1, then x-1=-2, the 2 numbers are -1 and -2


since the question did not specify if the numbers had to be of a certain sign (positive or negative) or something like that, there are 2 pairs of consecutive numbers that satisfy the equation

4 0
3 years ago
Read 2 more answers
4. Find the value of k. The diagram is not to scale.
shtirl [24]

k=73. All the angles in any triangle must add up to 180.

8 0
3 years ago
2.333... rational or irrational
Cloud [144]

Answer:

irrational

Step-by-step explanation:

cuz it never ends

6 0
4 years ago
Read 2 more answers
leo is going to use a random number generator 400 times. Each time he uses it, he will get a 1, 2,3,4,or5. What is the best pred
Vinil7 [7]
Hey there

____________
The correct answer is :3/5 of the numbers are odd so we just multiply 400 by 3/5:
400 \times \frac{3}{5} = 240
so the best prediction is 240.

_________________
Hope this helps you
5 0
3 years ago
Read 2 more answers
How to simplify 2431 - 187
egoroff_w [7]
You take 187 away from 2431
3 0
4 years ago
Read 2 more answers
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