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taurus [48]
3 years ago
10

PLEASE I NEED HELP!!! 5 1 2** 2X=10 19 Х 22 The value of x is

Mathematics
1 answer:
maw [93]3 years ago
4 0

Answer:

x=-7

Step-by-step explanation:

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On the last day of each school year, the principal of a middle school records the number of students enrolled. In 2016, there we
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D

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i hope you uderstand stand why it D

5 0
3 years ago
If the value of "y" varies directly with "X"
Svetradugi [14.3K]

Answer:

x : 3 :: y : -1

9 : 3 :: y : -1

3y = -9

y = -3

6 0
3 years ago
A LITTLE HELP PLEASE!! Find the area of this regular polygon. Round to the nearest tenth.
dem82 [27]

rounding to the nearest tenth will be 20

7 0
3 years ago
the earths diameter through the equator is about 8,000 what is the earths estimated diameter written as a whole number multiplie
Sauron [17]

Answer:

To write 8000 miles in scientific notation, first find a natural number between 1 and 10.     (8)  

Now, figure out how many decimal places we have to move to the left.

8000.0 --> 8.0000        (Three )

Now, write the number 8 multiplied by 10 to the third power.

( 8 × 10^3 miles )

Step-by-step explanation:

7 0
3 years ago
The height of an overhand volleyball serve can be modeled as h=-16t^2+20t+6. After how many seconds is the ball 11 feet.
Andrew [12]

Answer:

0.9043secs and 0.3456secs

Step-by-step explanation:

Given the height of an overhand volleyball modeled as h=-16t^2+20t+6.

If the height is 11feet, then;

11 = -16t^2+20t+6.

-16t^2+20t+6 - 11 = 0

-16t^2+20t-5 = 0

Multiply thriugh by -1

16t^2-20t+5 = 0

Factorize

t = 20±√20²-4(16)(5)/2(16)

t = 20 ±√400-320/32

t = 20 ±√80/32

t = 20 ±4√5/32

t = 20±8.94/32

t = 28.94/32 and 11.06/32

t = 0.9043 and 0.3456

Hence the required time are 0.9043secs and 0.3456secs

8 0
3 years ago
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