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Nookie1986 [14]
3 years ago
7

WILLL GIVE A BRAINLEST FOR RIGHT ANSWER

Mathematics
2 answers:
olchik [2.2K]3 years ago
6 0

Answer:

with a sample survey

I am Lyosha [343]3 years ago
4 0

Answer:

Sample Survey

Thank Me Later ;)

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James measured his hand. It was 0.70 m Jennifer measured her hand it was 0.165 m whose hand is bigger how do you know
Rainbow [258]
0.7>0.165  0.7 Is larger because its tenths value is 7 compared to 1.  Please mark Brainliest!!!
7 0
3 years ago
Write the square of (2x+1/x)
pentagon [3]

Answer:

((2 x^2 + 1)^2)/(x^2)

Step-by-step explanation:

Simplify the following:

(2 x + 1/x)^2

Hint: | Put the fractions in 2 x + 1/x over a common denominator.

Put each term in 2 x + 1/x over the common denominator x: 2 x + 1/x = (2 x^2)/x + 1/x:

((2 x^2)/x + 1/x)^2

Hint: | Combine (2 x^2)/x + 1/x into a single fraction.

(2 x^2)/x + 1/x = (2 x^2 + 1)/x:

((2 x^2 + 1)/x)^2

Hint: | Distribute exponents over quotients in ((2 x^2 + 1)/x)^2.

Multiply each exponent in (2 x^2 + 1)/x by 2:

Answer: ((2 x^2 + 1)^2)/(x^2)

6 0
3 years ago
Us the expression (8x + 2) + (- 9x + 7)
malfutka [58]

Answer:

8x2=16 9x7=63

63+16=79

Step-by-step explanation:

7 0
3 years ago
Find the value of a and b if root3-1/root3+1+ root3+1/root3-1=a+root3 b​
Digiron [165]

Answer:

a=4 and b = 0

Step-by-step explanation:

Given : \dfrac{\sqrt 3 -1}{\sqrt 3+1}+\dfrac{\sqrt 3+1}{\sqrt 3-1}=a+\sqrt 3 b

To find, The value of a and b

Solution,

Solving LHS of the given equation,

\dfrac{(\sqrt 3-1)^2+(\sqrt3+1)^2}{(\sqrt 3+1)(\sqrt 3-1)}=a+\sqrt 3 b

Since,

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

So,

\dfrac{3+1-2\sqrt 3+3+1+2\sqrt 3}{3-1}=a+\sqrt 3 b\\\\4=a+\sqrt 3 b

or

4+0=a+\sqrt 3 b

On comparing we get :

a = 4 and b = 0

4 0
3 years ago
Write all the factors of 27.<br> Use commas to separate them.
UkoKoshka [18]

Answer:

1,3,9,27

Step-by-step explanation:

5 0
3 years ago
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