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vova2212 [387]
3 years ago
15

Can someone help me please

Mathematics
1 answer:
zlopas [31]3 years ago
7 0

Answer:

i cant see the picture

Step-by-step explanation:

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1st. (2 root 2 + root 3 ) ( 2 root 3 - root 2)
satela [25.4K]

Answer:

1st: 3*root6 + 5

2nd: 35*root2 + 115

3rd: 24*root2 - 20*root6 + 15*root3 - 18

4th: 17*root6 - 38

5th: 13*root10 - 42

Step-by-step explanation:

To simplify these expressions we need to use the distributive property:

(a + b) * (c + d) = ac + ad + bc + bd

So simplifying each expression, we have:

1st.

(2 root 2 + root 3 ) ( 2 root 3 - root 2)

= 4*root6 - 2*2 + 2*3 - root6

= 3*root6 - 4 + 9

= 3*root6 + 5

2nd.

(root 5 + 2 root 10) (3 root 5 + root 10)

= 3 * 5 + root50 + 6*root50 + 2*10

= 15 + 5*root2 + 30*root2 + 100

= 35*root2 + 115

3rd.

(4 root 6 - 3 root 3) (2 root 3 - 5)

= 8*root18 - 20*root6 - 6*3 + 15root3

= 24*root2 - 20*root6 + 15*root3 - 18

4rd.

(6 root 3 - 5 root 2 ) (2 root 2 - root 3)

= 12*root6 - 6*3 - 10*2 + 5*root6

= 17*root6 - 18 - 20

= 17*root6 - 38

5th.

(root 10 - 3 ) ( 4 - 3 root 10)

= 4*root10 - 3*10 - 12 + 9*root10

= 13*root10 - 30 - 12

= 13*root10 - 42

8 0
3 years ago
Evaluate the following expression when x=3.<br><br> 2x+7
xxMikexx [17]

Answer:13

Step-by-step explanation:

2 times 3 is 6 so then we add 7 to get 13

6 0
3 years ago
7. Use the data in each table to write a linear function using function notation​
AURORKA [14]

Answer:

Answer

Step-by-step explanation:

7. f(x)=0.2x

8. f(x)=3x+5

9. f(x)=-2x-2

8 0
3 years ago
Evaluate this expression for a = 3 and b = 4.
ahrayia [7]

Answer:

14

Step-by-step explanation:

a = 3

b = 4

b(a + 4)-3(3 + 2)+3 - 2\\a = 3,b=4\\4(3+4)-3(5)+3 - 2\\4(7)-15+3 - 2\\28-14\\\\14

8 0
3 years ago
Which phrase does not have the same meaning as 3/w
Effectus [21]
The answer is A. There is no multiplication sign in the problem. It’s all division.
7 0
3 years ago
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