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Alex Ar [27]
3 years ago
11

Two times the square root of X plus the difference of X squared and eight times X

Mathematics
1 answer:
Sauron [17]3 years ago
7 0

Answer:

The correct answer would be 2  *  √x  - x^2 + 8 * x


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A man leaves home at 22:15 hours and reaches his destination at 04:00 hours on the following day. how many hours did the journey
Nezavi [6.7K]

Answer,

Leaves from home=22:15hour

get to destination=4:00hour

time taken on a journey,

from time 22:15hour to 24:00hour=2:45hour and,

time is taken form 22:00hour to 4:00hour=4:00hour
So, the total time taken to reach the destination is 2:45+4:00=6:45hour

8 0
2 years ago
Evalute m-2n if m= -3 and n= -8
stich3 [128]
M = -3
n = 8
plug in your variables.
-3 - (2 x -8)
two negatives make a positive, so it would be positive 16
-3 + 16
= 13
8 0
2 years ago
39 is 5% of what number?
Inessa05 [86]

Answer:

780

Step-by-step explanation:

Explanation:

To get from  

5% to 100% you multiply by 20, so multiply the number in this case 39 by 20 percent.

6 0
2 years ago
The product of two consecutive odd intergers is 1 less than four times thier sum. Find the two integers.
seraphim [82]
Consecutive odd integers are 2 apart
they are x and x+2
the product (x times (x+2)) is 1 less than  4 times their sum

x(x+2)=-1+4(x+x+2)
x^2+2x=-1+4(2x+2)
x^2+2x=-1+8x+8
x^2+2x=8x+7 minus (8x+7) from both sides [tex]x^2-6x-7=0
factor
what  numbers multliply to get -7 and add to get -6?
-7 and 1
(x-7)(x+1)=0
set equal to 0
x-7=0
x=7

x+1=0
x=-1

so the x can be 7 or -1
the other number (x+2) can be 7 or 1

test each

7 and 9
7(9)=-1+4(7+9)
63=-1+4(16)
63=-1+64
63=63
true


-1 and 1
-1(1)=-1+4(-1+1)
-1=-1+4(0)
-1=-1+0
-1=-1
true



the 2 integers can be 7 and 9 or -1 and 1 (both pairs of numbers work)
3 0
2 years ago
20pts!!! PLS HELP!!!
vodka [1.7K]

Answer:

(x - 1) x (5x + 4)

Step-by-step explanation:

5 x 2 – 4 = 6

5 x 4 – 4 = 16  

6 x 2 – 11x – 4 = 56    

5 x 2 – x – 4 = (x - 1) x (5x + 4)

5 0
3 years ago
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