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3 years ago

(x−5) ^2 in expanded

Mathematics

2 answers:

Licemer1 [7]3 years ago

6 0

Answer:

$x^{2}-10x+25$

Step-by-step explanation:

We can rewrite the question as (x-5)*(x-5).

Using the FOIL Method (First, Outside, Inside, Last):

$x^{2}-5x-5x+25$

This simplifies to $x^{2}-10x+25$

Inga [223]3 years ago

3 0

Answer:

x^2-10x+25

Step-by-step explanation:

(a-b)^2=a^2-2ab+b^2

(x-5)^2=x^2-10x+25

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Find the measure of the missing side. Round your answer to the nearest tenth. (PYTHAGOREAN THEOREM)

Burka [1]

Answer:

Rounded to the nearest tenth, the length of the missing side is 5.4 in.

Step-by-step explanation:

According to the Pythagorean theorem, $a^{2}+b^{2}=c^{2}$ , where c is the length of the hypotenuse (the longest side), a and b are the lengths of the other two sides. We can use this to solve for the length of the hypotenuse of the right triangle shown in your question (the missing side):

$2^{2}+5^{2}=c^{2}$

This simplifies to $29=c^{2}$ . Now to solve for c (the length of the hypotenuse), we just take the square root of both sides of the equation and solve like so:

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3 years ago

Use the number line below, where RS = 7y +5. ST = 3y +5, and RT = 70.<br> a. What is the value of y?

NeTakaya

Answer:

Step-by-step explanation:

7y+5+3y+5=70

10y+10=70

10y=60

y=6

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3 years ago

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zhenek [66]

Answer:

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2 years ago