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ikadub [295]
2 years ago
6

Expand this equation 2x(5x-2)

Mathematics
1 answer:
m_a_m_a [10]2 years ago
5 0

Answer:

10x^2-4x

Step-by-step explanation:

We will have to open the bracket first

So let's solve

2x(5x-2)

10x^2-4x

Since we are not asked to solve further so we will have to leave he final answer as 10x^2-4x

But in the case where a certain value is given to substitute for x we will have to solve further

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Plz help it's due today ​
dybincka [34]

Answer:

tanG= 15/20 = 3/4

tanX= 8/15

Step-by-step explanation:

tan is always opposite over adjacent

6 0
3 years ago
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-4(-6 - 2n) = 30 + 8n
kati45 [8]

Answer:

n=6/4

Step-by-step explanation:

-4(-6-2n)=30+8n

24+12n=30+8n

-24       =-24

12n=6+8n

-8n =   -8n

4n=6

n=6/4

8 0
2 years ago
Parallel to y=2x-4 through (8,8)
yanalaym [24]

Answer:

y = 2x - 8

Step-by-step explanation:

Parallel lines have SIMILAR <em>RATE OF</em><em> </em><em>CHANGES</em><em> </em>[<em>SLOPES</em>], so 2 remains the same:

8 = 2[8] + b

↑

16

-8 = b

y = 2x - 8 >> Parallel Equation

I am joyous to assist you anytime.

5 0
3 years ago
Polygon X is similar to polygon Y. Polygon X is three times the size of polygon Y. The perimeter of polygon X is 81. What is the
maksim [4K]

Answer:  Option 'C' is correct.

Step-by-step explanation:

Since we have given that

Polygon X is similar to polygon.

And Polygon X is three times the size of polygon Y.

So, it becomes,

\dfrac{\text{Perimeter of polygon X}}{\text{Perimeter of polygon Y}}=\dfrac{3}{1}\\\\\dfrac{81}{x}=\dfrac{3}{1}\\\\x=\dfrac{81}{3}\\\\x=27

Hence, perimeter of polygon Y is 27.

Therefore, Option 'C' is correct.

5 0
3 years ago
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Which sequence of transformations will change figure PQRS to figure P′Q′R′S′?
alexandr402 [8]

I think it is the third one. If it’s not the third one then it’s the first one.

6 0
3 years ago
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