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3 years ago

What is the degree of 1284 - 8x+ 4x - 3?

Mathematics

2 answers:

Rashid [163]3 years ago

6 0

Answer:

Step-by-step explanation:

-4x + 1281

sammy [17]3 years ago

3 0

Answer:

12x -3

Step-by-step explanation:

collect the like terms 8x + 4x -3

add the numbers (8+4) x -3

12x-3

I really hope this helps! I may be wrong, please check my work before you submit and if im wrong i will help again!

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sergey [27]

30+18=30+6y
18=6y
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3 years ago

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Step-by-step explanation:

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2 years ago

Suppose for some value of x the solution to the equation 2.5(y−x)=0 is y = 6. What must be true about x?

Varvara68 [4.7K]

Step-by-step explanation:

In this case, you input the value of y (y = 6) into the equation ( 2.5(y-x)= 0)

2.5(6-x) = 0

Open the bracket,

(2.5×6)-2.5x= 0

Collect like terms.

2.5x= 2.5×6

Divide both sides by the coefficient of x (2.5)

x = 6

So,

x= 6 is true.

Substituting 6 for x in the equation,

2.5(6-6)= 0

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7 0

2 years ago

WILL GIVE BRAINLIEST!!!!

Vesna [10]

$(2^8 \times 5^{-5} \times 19^0)^{-2} \times (\dfrac{5^{-2}}{2^3})^4 \times 2^{28} =$

$= 2^{-16} \times 5^{10} \times 1 \times \dfrac{5^{-8}}{2^{12}} \times 2^{28}$

$= 2^{-16} \times 5^{10} \times 5^{-8} \times 2^{-12} \times 2^{28}$

$= 2^{-16} \times 2^{-12} \times 2^{28} \times 5^{10} \times 5^{-8}$

$= 2^{-16-12+28} \times 5^{10-8}$

$= 2^{0} \times 5^{2}$

$= 1 \times 25$

$= 25$

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2 years ago

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masya89 [10]

Answer:

-64

Step-by-step explanation:

we should put -2 for j and -1 for k,

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3 years ago

Read 2 more answers