2 years ago

I am stuck here plz help I am so sick of this question

Mathematics

2 answers:

Damm [24]2 years ago

8 0

Answer:

(1,22)

(4,10)

(5,6)

(6,2)

Step-by-step explanation:

Dovator [93]2 years ago

3 0

Answer:

the first two are correct

the other two boxes, in order are: 6, 2

Step-by-step explanation:

you just have to substitute x into the equation, so when it says x is 1, you substitute 1 into the equation given, in this case it's y = 26 - 4x. After that, you just do regular math to get your y value

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(3×²+5y²)³=<br><br> (2y³-×5)²=

irakobra [83]

First one:
(3x^2+5y^2)^3
Step 1: Use the binomial theorem to expand
(3x^2)+3(3x^2)^2(5y^2)+3(3x^2)(5y^2)2+(5y^2)^3
Step 2: Simplify each term
27(x^2)^3+3(3x^2)^2(5y^2)+3(3x^2)(5y^2)^2+(5y^2)^3
Step 3: Multiply the exponents
27x^6+27x^4(5y^2)+3(3x^2)(5y^2)^2+(5y^2)^3
27x^5+135x^4y^2+3(3x^2)(5y^2)^2+(5y^2)^3
Keep going to get the final answer:
27x^6+135x^4y^2+225x^2y^4+125y^6

2nd question: (2y^3-5x)^2
Do the same thing...step by step
Answer: 4y^6-20xy^3+25x^2

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3 years ago

An architect makes a scale drawing of a building. The scale used is 1 cm represents 20 m. Calculate the actual width of the buil

AleksandrR [38]

Answer: 490 m

Step-by-step explanation:

3 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B3-6y%7D%20%2B%20%5Cfrac%7B1%7D%7By%7D%20%3D%20%5Cfrac%7B1%7D%7B6%5C%5C%7D" id

svp [43]

Answer:

y = 11 + √ 73/ 4 , 11 − √ 73 /4