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lora16 [44]
3 years ago
11

If you can do this then pls do it correctly my report card is coming on Friday I want good grades :))

Mathematics
2 answers:
Dafna1 [17]3 years ago
6 0
54 divided by 5 is 10.8 which is her height multiply by 2 because it twice her height which is 21.6 the do 54-21.6 which gives you an answer of 32.4
Sergeeva-Olga [200]3 years ago
6 0

Answer:

32.4

Step-by-step explanation:

So if we divide 54 by 5 we get 10.8   ( her height

then we multiply 2 by her height which is   10.8 and that will give us 21.6 .

the last step is subtracting, So we get Sharon's height which is 54 and subtract that by 21.6 and that will gives us 32.4! :D

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I NEED HELP PLEASE, THANKS! :)
Elena L [17]

Answer:

First option is the right choice.

Step-by-step explanation:

\frac{1}{\cos \left(x\right)+1}+\frac{1}{\cos \left(x\right)-1}\\\\\frac{\cos \left(x\right)-1}{\left(\cos \left(x\right)+1\right)\left(\cos \left(x\right)-1\right)}+\frac{\cos \left(x\right)+1}{\left(\cos \left(x\right)+1\right)\left(\cos \left(x\right)-1\right)}\\\\=\frac{\cos \left(x\right)-1+\cos \left(x\right)+1}{\left(\cos \left(x\right)+1\right)\left(\cos \left(x\right)-1\right)}\\\\=\frac{2cos\left(x\right)}{cos^2\left(x\right)-1}\\\\=\frac{2cos\left(x\right)}{sin^2\left(x\right)}

=2\cdot \frac{cos\left(x\right)}{sin\left(x\right)}\cdot \frac{1}{sin\left(x\right)}\\\\=-2cot(x)csc(x)

Best Regards!

7 0
3 years ago
AC=8x-14 and EC=2x+11, solve for x
dimaraw [331]

Answer:

x = 4.167

Step-by-step explanation:

8x - 14 = 2x + 11 add 14 to 14

8x = 2x + 25 subtract 2x to 2x and 8x

6x = 25 divide by 6

x= 4.167 repeating

7 0
4 years ago
82+42 using mental math with associative property
dexar [7]
  82
+42
------
124
-------------------------------------------------------------------------------------------------------- 
You're welcome! Hope this helped!
5 0
3 years ago
Which is an equation of the line that passes through the point (1, 4) and has a slope of 3?
Varvara68 [4.7K]
So an equation of any line is y=mx+b.
We know that the m, or slope, equals 3.
y=3x+b
Now we find the b, or the y-intercept, by substituting the x and y values into their places.
4=3*1+b
4=3+b
b=1
Now that we have the y-intercept, we just substitute the m and b into the equation and receive our final answer:
y=3x+1
5 0
3 years ago
Read 2 more answers
Select an even number from 0 to 20, take a half of this number and increased it by 703
Illusion [34]
The answer could possibly be 705 if your even number is only 2
8 0
3 years ago
Read 2 more answers
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