2 years ago

If the point is (-4,2) what the reflection over y=x

Mathematics

1 answer:

DiKsa [7]2 years ago

6 0

Answer:

(2,-4)

Step-by-step explanation:

When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places.

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Which pair of variables cant be represented on a scatter plot? Write a sentence about why it cant be represented

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Answer:

Step-by-step explanation:

you can make age on y or x and age on the opposite. names can't work for scatter plot and the two things have to go together made and attempted don't combine

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2 years ago

What number is 100 times as great as 0.3?

Zepler [3.9K]

30 because 100x0.3=30

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2 years ago

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2 years ago

If 2^(x+3) - 2x = k(2^x) what is the value of k

svlad2 [7]

Answer:

$\large\boxed{C)\ 7}$

Step-by-step explanation:

Use:

$a^n\cdot a^m=a^{n+m}$

$2^{x+3}-2^x=2^x\cdot2^3-2^x=8\cdot2^x-2^x=(8-1)\cdot2^x=7\cdot2^x\\\\2^{x+3}-2^x=k(2^x)\\\\7\cdot2^x=k(2^x)\Rightarrow k=7$

$8\cdot2^x-2^x=8\cdot2^x-1\cdot2^x=(8-1)(2^x)=7\cdot2^x\\\\\text{distributive property:}\ a(b-c)=ab-ac$

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3 years ago

The Morales family is remodeling their home. They want to remove the wall between the living room. and dining room to make one b

GuDViN [60]

Answer:

Area of living room

= 20(x+5)

= 20x +100

Area of dining room= 20x

Total area

= 20x +100 +20x

= 40x +100

Total perimeter (after wall is removed)

= 2(20) + 2( x+x+5)

= 40 + 2(2x+5)

= 40 +4x +10 (expand)

= 4x +50 (simplify)

Step-by-step explanation:

Area of rectangle= length × breadth

3 0

3 years ago