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Dmitry [639]
3 years ago
8

How to do question 10 a?

Mathematics
2 answers:
Softa [21]3 years ago
5 0

Answer:

23 hgrghhgfggggggghhhhh

Vikki [24]3 years ago
3 0

Answer:

I looked at all those numbers and they all say d=0

Step-by-step explanation:

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Find the solution set. 7x^2-5x-2=0
GenaCL600 [577]

Answer:

x

=

 

−

b

±

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a

c

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, we get that

x

=

−

2

,

0.6

Explanation:

Rearrange the equation so that it becomes:

5

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2

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−

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=

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x

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−

b

±

√

b

2

−

4

a

c

2

a

In our equation above,

a

=

5

b

=

7

c

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−

6

Plugging these values into the quadratic equation gives:

x

=

−

7

±

√

7

2

−

4

(

5

)

(

−

6

)

2

(

5

)

x

=

−

7

±

√

49

+

120

10

x

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−

7

±

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169

10

x

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−

7

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13

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7 0
2 years ago
Two thirds of a number, decreased by thirty six, is at most twenty two. Find the number.
Naily [24]
2/3x - 36 ≤ 22
        +36     +36
----------------------
2/3x ≤ 58
2x ≤ 174
x ≤ 87

Hope this helps!
        
4 0
3 years ago
How to do this question plz ​
bixtya [17]

252mmSquared

Step-by-step explanation:

28+28=56

74-56=18

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Each cookie will cost 40 cents
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3 years ago
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