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ryzh [129]
3 years ago
15

Trình bày khái niệm và cách giải phương trình bậc nhất 1 ẩn, hệ phương trình bậc nhất 2 ẩn

Mathematics
1 answer:
AysviL [449]3 years ago
8 0
English please.......,.
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What pair of numbers has a LCM of 12
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Answer:

12 and 2. or. 4 and 3

Step-by-step explanation:

the LCM of 12 and 2 is 12

the LCM of 4 and 3 is also 12

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What is an equation of the line that passes through the points (4, -1) and<br> (-8, –7)?
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Answer:

y=1/2x-3

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-7-(-1))/(-8-4)

m=(-7+1)/-12

m=-6/-12

m=1/2

y-y1=m(x-x1)

y-(-1)=1/2(x-4)

y+1=1/2x-4/2

y=1/2x-2-1

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At a store, notebooks are on sale for 78% off the regular price. The cost of a notebook is represented by n. Which of the
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C

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If the cost is represented by n, why would you subtract the cost of the notebook by 0.78 while multiping it witht the cost?

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Use the tape diagram to answer the following question: 8 is 40% of what number?
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20 I apologize if this is wrong
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Which polynomial is written in descending order?
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The ascending or descending order of a polynomial is determined by the increasing or decreasing power of variable “x” respectively.

<span>The question is to find about the polynomial in descending order, so in this case, the 3rd option is correct, i.e. 4x^2 – 3x + 9 or 4x^2 – 3x^1 +9x^0. The power of “x” decreasing from 2 to 1 and then finally to 0.</span>

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