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xxTIMURxx [149]

3 years ago

7

Review the table showing the height of water in a pier.

1 answer:

mel-nik [20]3 years ago

7 0

Y=15.2 + 0.98 in x would be the correct response answer . because as per checking the data graph the number can obviously be seen to answer the question

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Find the length to the nearest centimeter of the diagonal of a square 30 cm. on a side

tiny-mole [99]

Answer:

42 cm.

Step-by-step explanation:

Please find the attachment.

Let x be the length of diagonal of the square.

We have been given that length of each side of a square is 30 cm. We are asked to find the length of the diagonal of square to the nearest centimeter.

We can see from our diagram that triangle AC is the diagonal of our square.

Since all the interior angles of a square are right angles or equal to 90 degrees, so we will use Pythagoras theorem to find the length of diagonal.

$AC^2=AD^2+DC^2$

Upon substituting our given values in above formula we will get,

$x^2=(30\text{ cm})^2+(30\text{ cm})^2$

$x^2=900\text{ cm}^2+900\text{ cm}^2$

$x^2=1800\text{ cm}^2$

Let us take square root of both sides of our equation.

$x=\sqrt{1800\text{ cm}^2}$

$x=42.4264\text{ cm}\approx 42\text{ cm}$

Therefore, the length of diagonal of our given square is 42 cm.

8 0

3 years ago

Solve for d<br> s = n /2 [ 2 a + ( n − 1 ) d ]

ludmilkaskok [199]

The answer is d= -2an+2s/n^2-n

That answer should be in a fraction form.

7 0

3 years ago

Which letters Shown below on the number line also have their opposites labeled? (A- A and D) (B- B and C) (C- A B and C) (D- B C

anygoal [31]

try number 4 I thinks its that one or number 1

6 0

3 years ago

Simplify the expression: 2(4 + 6j)

aniked [119]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{8 + 12j}}}}}$

Step-by-step explanation:

$\sf{2(4 + 6j)}$

Distribute 2 through the parentheses

$\longrightarrow{ \sf{2 \times 4 + 2 \times 6j}}$

$\longrightarrow{ \sf{8 + 12j}}$

Hope I helped!

Best regards! :D

8 0

3 years ago

Evaluate 2x + 1 when x = 7.

Tatiana [17]

Answer:

15

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers