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3 years ago

Need answer 15 points

Mathematics

1 answer:

MaRussiya [10]3 years ago

3 0

Answer:

there are two zeroes that I can see

Step-by-step explanation:

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3 years ago

Window is 8 2/3 feet wide and 5 3/4 what is the area of the window

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3 years ago

Please can someone help; this is not cheating btw.

Umnica [9.8K]

By determining the area of the square, we get $x^{2} +4x = 3.$

Step-by-step explanation:

Step 1:

The area of a square is given by squaring its side length.

The given squares side length is $(x+2)$ cm.

The area of a square $= a^{2} .$ Here a is the side length.

The area of the square is given as 7 cm².

Step 2:

Substituting the value of a in the equation, we get

$7 = (x+2)^{2} = x^{2} + 4x + 4.$

Taking the x values on one side and the constants on the other side, we get

$x^{2} +4x= 7-4 =3.$

So $x^{2} +4x = 3.$

So it has been proved.

4 0

4 years ago

Find the measure of the indicated angle to the nearest degree.

azamat

Step-by-step explanation:

Let the measure of required angle be x degree

$\therefore \tan \: x = \frac{45}{28} \\ \\ \therefore \tan \: x = 1.60714286 \\ \\ \therefore \: x = {\tan}^{ - 1} (1.60714286) \\ \\ \therefore \: x = {\tan}^{ - 1} ( \tan \: 58.109 \degree) \\ \\ \huge \red{ \boxed{\therefore \: x = 58\degree}}$

Thus, first option is the correct answer.

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3 years ago