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irina [24]
3 years ago
9

Simplify (a+8) (a-9)

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
7 0

a2−17a+72

I used the foil method...

a2−9a−8a+72

Subtract 8a from −9a

a2−17a+72

sammy [17]3 years ago
3 0
Hi the answer is a8 - 81
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8 0
3 years ago
If you answer this question I will mark you brainliest
GaryK [48]

Answer:

Yes they are congruent

they are congruent by SSS rule that is Side Side Side rule

AD = CD (given side) in the question itself

AB = CB  (given side) in the question itself

Db = BD (common side)

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4 0
2 years ago
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BRAINLIEST!!!
Sonbull [250]

Answer:

\sqrt{37}

Step-by-step explanation:

The distance d between a point (m , n ) and a line in the form

Ax + By + C = 0 , is calculated as

d = \frac{|Am+Bn+C|}{\sqrt{A^2+B^2} }

Here (m, n ) = (6, 2 ) and

6x - y = - 3 ( add 3 to both sides )

6x - y + 3 = 0 → A = 6, B = - 1, C = 3

d = \frac{|6(6)+-1(2)+3|}{\sqrt{6^2+(-1)^2} }

   = \frac{|36-2+3|}{\sqrt{36+1} }

   = \frac{|37|}{\sqrt{37} }

   = \frac{37}{\sqrt{37} } × \frac{\sqrt{37} }{\sqrt{37} }

   = \frac{37\sqrt{37} }{37} ← cancel 37 on numerator/ denominator

   = \sqrt{37}

7 0
3 years ago
Two times the greater of two consecutive integers is 9 less than three times the lesser integer. What are the integers?
lara [203]

Answer:

11 and 12

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y=larger

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2(x+1)=3x-9

2x+2=3x-9

11=x

                11+1=y

                    12=y

3 0
3 years ago
To make the perfect orange color hector mixes 2/3 quarts of red paint with 1 4th Court of yellow paint. How much red paint is us
jonny [76]
6/12 or the same thing but reduced 1/2

WELCOME!
5 0
3 years ago
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