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Oxana [17]
3 years ago
14

Which numbers are​ irrational?

Mathematics
1 answer:
Zepler [3.9K]3 years ago
5 0

Answer:

54  hope this helps

Step-by-step explanation:

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If one root of the equation is 4x^2- 2x+p-4 be the reciprocal of other. then find the value of p​
SashulF [63]

Answer:

p = 8

Step-by-step explanation:

Let one root of the eqn. be alpha . Other root is 1/alpha .

We know that product of both roots of an quadratic eqn. is c/a where "c" is the co-efficient of the constant  & "a" is the co-efficient of x^2.

Here "c" is p-4 & "a" is 4. And the product of roots is 1 ( ∵ prdouct of a number and its reciprocal is 1 )

\frac{c}{a} = 1\\=> \frac{p - 4}{4} = 1\\=> p - 4 = 4\\=> p = 4 + 4 = 8

5 0
3 years ago
How many planes are shown in the figure? <br><br><br><br> 4<br><br> 5<br><br> 6<br><br> 7
Natalija [7]
The answer is 5 planes - we count one for every side.
Hope this helped! Rate brainliest if you want. :)
Have a nice day!

7 0
3 years ago
Read 2 more answers
What’s the answer....
ICE Princess25 [194]

Answer:

<h2>x = 10</h2>

Step-by-step explanation:

If the triangles are similar, then the corresponding sides are in proportion:

\dfrac{20}{20+8}=\dfrac{3x}{4x+2}

\dfrac{20}{28}=\dfrac{3x}{4x+2}

\dfrac{20:4}{28:4}=\dfrac{3x}{4x+2}

\dfrac{5}{7}=\dfrac{3x}{4x+2}                 <em>cross multiply</em>

5(4x+2)=(7)(3x)        <em>use distributive property </em><em>a(b + c) = ab + ac</em>

(5)(4x)+(5)(2)=21x

20x+10=21x             <em>subtract 20x from both sides</em>

10=1x\to x=10

3 0
3 years ago
WHY does the vertical line test work?
kirill [66]

It's rigged

The vertical line test can be used to determine whether a graph represents a function

3 0
3 years ago
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Which is the simplified form of the expression ((p^2)(q^5))^-4 * ((p^-4)(q^5))^-2 ?
Veseljchak [2.6K]
\bold{ANSWER:}
OPTION A

\bold{EXPLANATIONS:}

6 0
2 years ago
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