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GalinKa [24]
3 years ago
5

Simplify (a-4b)(a-2b)​

Mathematics
1 answer:
V125BC [204]3 years ago
3 0
The answer is a^2 - 6ab + 8b^2
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SOMEBODY CAN HELP ME PLEASE
AleksAgata [21]
B. 16 I hope, it’s correct answer
6 0
3 years ago
Read 2 more answers
Can anyone someone please help me:((
Masteriza [31]

Answer:

Therefore, the standard for will be:

y=\frac{1}{4}x^{2}-x-4

Step-by-step explanation:

The equation of a parabola written as vertical axes is given by:

(x-h)^{2}=4p(y-k) (1)

The vertex of the parabola (h,k) is (2,-5).

The focus (h,k+p) is (2,-4)

Then we can find p knowing that:

h = 2

k = -5

k + p = -4 then p = -4+5 = 1

Putting all these values in equation (1) we will find the equation of the parabola:

(x-2)^{2}=4(1)(y-(-5))

(x-2)^{2}=4(y+5) (2)

Now, we need to find the standard form of the equation of the parabola.

Let's recall that standard form is:

y=ax^{2}+bx+c  

We just need to work out equation (2) to convert it to the standard form.

(x-2)^{2}=4(y+5)

x^{2}-4x+4=4(y+5)

\frac{1}{4}x^{2}-x+1=y+5

Therefore, the standard for will be:

y=\frac{1}{4}x^{2}-x-4

I hope it helps you!

 

6 0
3 years ago
Simplify the equation. x/(x-4 )+ 4/(x-4 )
ANTONII [103]

Answer:

x+4/x-4

Step-by-step explanation:

=x/(x-4)+4/(x-4) [ l.c.m= (x-4)]

=x+4/x-4

6 0
3 years ago
Please answer these 6 questions
Triss [41]
1. You would add 5 to -14, getting -9, which leaves you with 3x=-9. You would then divide -9 by 3, leaving you with x=-3.
2. First, subtract 22 from 10, getting -12=-2c. Next divide -12 by -2, leaving you with 6=c.
3. Add 17 to 18 to get 35=-5b. Then divide 35 by -5, leaving you with -7=b.
4. Subtract 12 from -12, giving you -24=-8x. Then divide 24 by 8, giving you 3=x.
5. Add .03 to -9, giving you 1.3n= -8.97. Divide-8.97 by 1.3 to get n=-6.9.
6. Subtract 7/9 from 2/9 leaving you with -5/9=-5/11h. Divide and get h=1 and 2/9.
Hope this helped! : )
4 0
3 years ago
Estimate a 20% tip on a dinner bill of $161.86 by first rounding the bill amount to the nearest ten dollars.
MAXImum [283]

Answer:

See below

Step-by-step explanation:

<u>If you just want the tip</u>

<u />0.20*161.86\approx\frac{1}{5}*160=32

<u>If you want the total bill</u>

<u />1.20*161.86\approx160+32=192

7 0
2 years ago
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