3 years ago

Which answer choice correctly simplifies the expression?

Mathematics

1 answer:

Mandarinka [93]3 years ago

8 0

(x-5)(x-5)

x*x-5*x-5*x-5*-5

x^2-5x-5x+25

x^2-10x+25

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Select whether the pair of lines is parallel, perpendicular, or neither. x=−2, y=10

Mila [183]

Answer:

perpendicular

Step-by-step explanation:

x = -2 is a vertical line at x = -2

y is a horizontal line the two lines are perpindicular

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1 year ago

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Inessa05 [86]

Answer:

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Step-by-step explanation:

(12×5×14.5+7×4×5)×2=

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2 years ago

2.00 pretzel 25% discount

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3 years ago

Find RA, 90: (2,5) given that point A is located at (-3, -3).

Anna71 [15]

Answer:

The value of RA is " 9.43".

Step-by-step explanation:

In the given question there is some typing mistake so, the points are:

R =(2, 5)

A= (-3, -3)

Find:

RA= ? where it is a distance (D).

Formula:

$D= \sqrt{(x_2-x_1)^2+ (y_2-y_1)^2} \\\\\ compare \ the \ value \\\\x_1 = 2\\y_1=5\\x_2=-3\\y_2= -3$

put the value in the formula:

$\Rightarrow D =\sqrt{(-3-2)^2+(-3-5)^2} \\\\\Rightarrow D =\sqrt{(-5)^2+(-8)^2} \\\\\Rightarrow D =\sqrt{25+64} \\\\\Rightarrow D =\sqrt{89} \\\\\Rightarrow D = 9.43\\$

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3 years ago

On the medicine bottle it says 2 grams for a 60 lb person. the child weighs 105 lbs. how much medicine should they get?

Ratling [72]

Answer:

3.5 Grams

Step-by-step

set 2grams/60lbs equal to xgrams/105

x representing the amount of medicine needed for a 105lb child

Then you divide 60 by 105.

60/105=1.75

Now you multiply 2 by 1.75.

2 x 1.75 = 3.5

3.5 is your answer because 105 is 1.75 times more lbs than 60lbs

meaning you would need 1.75 times the amount of 2grams

to determine the value of x, which is 3.5grams

6 0

3 years ago