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3 years ago

Help me I really need it

Mathematics

1 answer:

Ludmilka [50]3 years ago

5 0

Answer:

Your answer is correct!

Step-by-step explanation:

2 with an exponent of 4 you multiply the number (2) the amount of times as the exponent (4)

Then you remember PEMDAS

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

So, once you do your exponent you multiply 8 and 2 which equals 16. Then you divide 16 by 4 which equals 4.

Lastly, you subtract 16 and 4 which equals 12.

Hope this helps!

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Данная фигура состоит из 6 одинаковых квадратов . Ее периметр равен 126 см. чему равна площадь фигуры?

hammer [34]

Answer:

The length of each side of square is 9 cm

Step-by-step explanation:

The question in English is

The given figure is made up of 6 identical squares.The perimeter of the figure is 126 cm.what is the length of each side of square?

The picture of the question in the attached figure

Let

x ----> the length side of each square

we know that

The perimeter is the sum of the borders of the figure

In this problem

$P=14x$

see the attached figure N 2 to better understand the problem

we have

$P=126\ cm$

$14x=126$

solve for x

$x=9\ cm$

therefore

The length of each side of square is 9 cm

8 0

4 years ago

X² + y - 8=0 x + y = 5

never [62]

X = 1 ± √13
———-
2

y = 9 ± √13
————
2

5 0

3 years ago

Type the correct answer in the box. Use numerals Instead of words. If necessary, use / for the fraction bar.

Ugo [173]

Answer:

Step-by-step explanation:

multiply 3 and 18 which gives you 54 then divide by 9 which give you your answer. 6

6 0

3 years ago

What is the cost of a new trampoline cover that needs to cover a trampoline with a diameter of 8 feet if the material costs $6.7

ladessa [460]

The answer is $169.64. I attached my work which included the complete NON ROUNDED value.

6 0

3 years ago

Need some help with these last few problems Thank you for your time and help

konstantin123 [22]

(1) On the unit circle, you have $\sin x=-1$ when $x=-\dfrac\pi2$ , and more generally this is the case whenever you perform a full rotation about the origin. This means $\sin x=-1$ any time $x=-\dfrac\pi2+2n\pi$ where $n$ is any integer.

(2) When $x=-90^\circ$ , you have $y=f(-90^\circ)=\cos(-90^\circ)=0$ .

(3) When $x=-45^\circ$ , you have $y=f(-45^\circ)=\tan(-45^\circ)=-1$ .

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$\dfrac{12}{\sin40^\circ}=\dfrac{e}{\sin55^\circ}\implies e\approx15.292$

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3 0

3 years ago