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3 years ago

BRAINLIEST!!!! which number is irrational?

Mathematics

1 answer:

astra-53 [7]3 years ago

7 0

Answer:

$\sqrt{6} is \: an \: irrational \: number. because \: it \: is \: terminating \: and \: non - repeating.$

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5a+8+(-2a)=-7<br> I need help with this question especially because of the parenthesis

Mashcka [7]

Answer:

5a+8+(-2a)=-7

5a+8-2a=-7

5a-2a=-7-8

3a=-15

3a/3=-15/3

a=-5

3 0

3 years ago

Read 2 more answers

GEOMETRY!!!! K' (6,5) is the image of K after a reflection in the line y=2. what are the coordinates of K

frutty [35]

Given:

The coordinates of point K' are (6,5).

K' is the image of K after a reflection in the line y=2.

To find:

The coordinates of point K.

Solution:

Let the coordinates of point K are (a,b).

If a figure is reflected over the line y=2, then

$(x,y)\to (x,2(2)-y)$

$(x,y)\to (x,4-y)$

Using this formula, the coordinates of image of K are

$K(a,b)\to K'(a,4-b)$

The coordinates of point K' are (6,5).

$K'(a,4-b)=K'(6,5)$

On comparing both sides, we get

$a=6\text{ and }4-b=5$

$a=6\text{ and }-b=5-4$

$a=6\text{ and }-b=1$

$a=6\text{ and }b=-1$

Therefore, the coordinates of point K are (6,-1).

3 0

3 years ago

The coordinates of the four vertices of the rectangle are (1,-1), (4,-1), (4,1), and (1,1). The perimeter of the rectangle is ho

vlada-n [284]

Answer:

Step-by-step explanation:

4-1=3 (length of base)

-1-1=-2 (absolute value of height is 2)

3+2+2+3=10

5 0

3 years ago

Find 4.5×10^7 over 1.5×10^-8 . write answer in scientific notation.

Sati [7]

Answer:

$\large\boxed{\dfrac{4.5\times10^7}{1.5\times10^{-8}}=3\times10^{15}}$

Step-by-step explanation:

The scientific notation:

$a\times10^k\ \text{where}\ 1\leq a$

We have:

$\dfrac{4.5\times10^7}{1.5\times10^{-8}}=\dfrac{4.5}{1.5}\times\dfrac{10^7}{10^{-8}}$

Use

$\dfrac{a^n}{a^m}=a^{n-m}$

$=3\times10^{7-(-8)}=3\times10^{7+8}=3\times10^{15}$

4 0

4 years ago

Use the Pythagorean theorem to find the length of the diagonal of a square that has

worty [1.4K]

Answer:

How far (nearest foot) will it be from home plate to second base, assuming he builds it to that specification? ... A square lot has an area of 1,200 square meters. .... Therefore, we can use the Pythagorean Theorem to solve for the diagonal:.

Step-by-step explanation:

3 0

3 years ago