3 years ago

Help with number 1 !

1 answer:

7 0

Draw it on the papaer, and you will find AC=BC*cot∠B

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natka813 [3]

Answer:

12a³+2a²+23a+18

Step-by-step explanation:

(3a+2)(4a²-2a+9)=

12a³-6a²+27a+8a²-4a+18=

12a³+2a²+23a+18

If you need more explanation, reply to this answer.

4 0

4 years ago

Lana71 [14]

Answer:

x=1

Step-by-step explanation:

6 0

3 years ago

BartSMP [9]

$5 \frac{3}{4} -1 \frac{7}{8} = \frac{23}{4} - \frac{15}{8} = \frac{46}{8} - \frac{15}{8} = \frac{46-15}{8} = \frac{31}{8} = \boxed {3 \frac{7}{8} }$

4 0

3 years ago

masha68 [24]

x|y............................

5|10

6|20

6|23

7|35

7 0

4 years ago

max2010maxim [7]

Answer:

Step-by-step explanation

look at the way the way the line curves and cross over into the positive across the dotted line. the curw = y

5 0

3 years ago