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zzz [600]
2 years ago
14

Evaluate the expression: 2/3-1/4+(-5/6)

Mathematics
1 answer:
Aliun [14]2 years ago
3 0

Answer:

\\  \frac{2}{3}  -  \frac{1}{4}  +  \frac{( - 5)}{6}

\\  =  \frac{2}{3}  -  \frac{1}{4}  -  \frac{5}{6}

\\  =  \frac{8 - 3 - 10}{12}

\\  =  \frac{8 - 13}{12}

\\  =  \frac{ - 5}{12}

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2.077× (10 to the -4th power) In Scientific notation PLEASE HELP
Rzqust [24]
If you are doing any scientific notation to the negative power the answer will be a decimal. In this case you will move the decimal point four places to the left.
The answer will be 0.0002077
4 0
3 years ago
Solve the system: x' = (2 4 -1 6)x
sertanlavr [38]

Answer:

x=e^{8t}+c

Step-by-step explanation:

we have given x'=(24-16)x=8x

x' denotes the differenation

\frac{dx}{dt}=8x  differentiation is performed with respect to t

by variable separable method we can write  

\frac{dx}{x}=8dt

on integrating both side

lnx=8t+c

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6 0
3 years ago
1) Has zeros at -2 and 4, both being double roots<br><br> 2) As x→∞, y→−∞
irina1246 [14]
-(x+2)^2(x-4)^2

Not that if x= -2 and x=4 they will look like this in an equation: (x+2) and (x-4)
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If they have double roots, they have a multiplicity of 2 (per root) meaning they will bounce off of the x-axis. Multiplicity can be found by using exponents.

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3 0
2 years ago
How many ways can 15 horses finish 1st, 2nd, and 3rd in a race?
Yuliya22 [10]

Answer:. There are 10 different horses that can come in first.

2. Then, there are 9 different horses that can come in second.

3. After that, there are 8 horses left that can come in third.

4.. Therefore, 10 times 9 times

Step-by-step explanation:

4 0
3 years ago
Please help find missing side length
maria [59]

Answer:

The missing side length is 6.

Step-by-step explanation:

Because the two triangles are similar,

the following equation of ratios is true:

m        4

----- = -----

15       10

Cross-multiplying, we get:

10m = 60, or m = 60/10 = 6

The missing side length is 6.

5 0
3 years ago
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