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2 years ago

PLEASE HELPPP!!!! urgent

Mathematics

2 answers:

hoa [83]2 years ago

5 0

Answer:

The answer is C

Step-by-step explanation:

The rule for reflection across the x-axis is (x,y) to (x,-y)

The figure lies at A(-5,5) B(-1,5) C(-1,2) D(-5,1)

A' (-5,-5) B'(-1,-5) C'(-1,-2) D'(-5,-1)

The answer is C

Gelneren [198K]2 years ago

3 0

This is pretty easy to answer. If you want a way to do this fast; just remember that Quadrant III (bottom left) is all negatives. (-x, -y)

So just find the answer where the x and y are negatives, which is C.

I also check the run and rise/fall and they were accurate. The answer is C.

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A certain positive number is multiplied by 4, and then the result is subtracted from the original number. The result is 21 less

stira [4]

Answer:

The number is 7

Step-by-step explanation:

certain positive number: x

x is multipled by 4:

result of this is subtracted from the original number:

so original number minus 4x,

x - 4x

the result is 21 less than 0, this means negative 21

x - 4x = 0 - 21 = -21

do algebra:

-3x = -21

multiply both sides by -1

3x = 21

divide both sides by 3

x=7

(certain positive number: x) is equal to 7

4 0

2 years ago

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Justin and his children went into a bakery and where they sell cookies for $0.75 each and brownies for $1.25 each. Justin has $1

enot [183]

Answer:

Justin could buy up to 8 cookies.

Step-by-step explanation:

7 * 1.25 = 8.75

15 - 8.75 = 6.25

6.25/.75 = 8.3333333

5 0

2 years ago

Please help. Is algebra. PLEASE HELP NO LINKS OR FILES. I don't want links.

alexandr1967 [171]

9514 1404 393

Answer:

9n^4

Step-by-step explanation:

The divisor and quotient can be interchanged to find the divisor:

$\dfrac{18n^6+27n^5-36n^4}{2n^2+3n-4}=\boxed{\text{Blank 1}}$

Such division is carried out by first finding the quotient of the highest-degree terms:

$\dfrac{18n^6}{2n^2}=\dfrac{18}{2}n^{6-2}=9n^4$

This value is used to multiply the denominator and subtract that product from the numerator to find the new numerator. The new numerator is zero, so the value that goes in Blank 1 is ...

9n^4

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The attachment shows the long division.

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2 years ago

Identify the constant term in this expression 28m + 4n - 12m +3 =

kodGreya [7K]

Step-by-step explanation:

28m+4n-12m+3

28m-12m+4n+3

16m+4n+3

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1 year ago

What is the inverse of the function f(x)= 6x-5/x+9

Goshia [24]

Answer:

Inverse of -5-9x/x-6

Step-by-step explanation:

Steps:

1: Interchange the variables x and y.

x=6y-5/y+9

2: Solve x = 6y-5/y+9 for y

3: Multiply both sides by y+9

4: Simplify and Expand

5: Subtract 9x from both sides.

6: Simplify and Subtract y from both sides then Simplify again

7: Divide both sides by x-6

Answer: Inverse of -5-9x/x-6

Hope this helps.

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2 years ago

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