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Bas_tet [7]
3 years ago
11

I have no clue how to do this, I've look all over the book and still dont understand it

Mathematics
1 answer:
Anna71 [15]3 years ago
3 0
You can do this on a calculator
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Pls help me i will apprcieate it. Giving you brainlist ;)
andriy [413]
The percent error of this problem is 5.85% error.

7 0
2 years ago
Write an expression for the sequence of operations described below.
Anna [14]

Answer:

a - (6-9)

Hopefully this is correct

Step-by-step explanation:

3 0
2 years ago
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What's 5 + 10? Honestly I graduated and just wanted to give away my points. Have fun.
Rainbow [258]

Answer:

15 :)ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ

6 0
3 years ago
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Write the equation of a circle with center (6,4) that passes through the coordinate (2,1). In your final answer, include all of
Elodia [21]
All points along the circle with be the distance of the radius from the center...so the radius can be found using the Pythagorean Theorem..

r^2=(4-1)^2+(6-2)^2

r^2=9+16

r^2=25

r=5

The equation of the circle can be expressed as:

r^2=(x-h)^2+(y-k)^2 where (h,k) correspond to the center of the circle, (2,1) in this case.

(x-2)^2+(y-1)^2=25

if you wanted it in a more standard form...

(y-1)^2=25-(x-2)^2

(y-1)^2=25-x^2+4x-4

(y-1)^2=-x^2+4x+21

y-1=(-x^2+4x+21)^(1/2)

y=1(+/-)(-x^2+4x+21)^(1/2)
5 0
3 years ago
Read 2 more answers
Whats the answer for (5x + 8)(4x² + 6x - 8)
mestny [16]
(5x + 8)(4x^2 + 6x - 8)\\ \\ 5x(4x^2 + 6x - 8) + 8(4x^2 + 6x - 8) \\ \\ 20x^3 + 30x^2 - 40x + 8(4x^2 + 6x - 8) \\ \\ 20x^3 + 30x^2 - 40x + 32x^2 + 48x - 64 \\ \\ 20x^3 + (30x^2 + 32x^2) + (-40x + 48x) - 64 \\ \\ 20x^3 + 62x^2 + 8x - 64 \\ \\

The final result is: 20x^3 + 62x^2 + 8x - 64.
4 0
3 years ago
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