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seropon [69]
3 years ago
9

Which expression represents the sentence? Quadruple a number minus 17?

Mathematics
2 answers:
azamat3 years ago
3 0
It is B

4n is n multiplied by 4, which is quadrupled.

then, it is 4n - 17


kirill115 [55]3 years ago
3 0
The answer would be B because you are multiplying by 4 or quadrupling and subtracting 17 too like it says in the problem.
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Math help please! Thanks so much!
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How do you write 0.050 in scientific notation?
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Answer:

5.0 x 10^-2

Step-by-step explanation:

you need to move the decimal place to the right in order to be 1 or over.

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3 years ago
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4 0
3 years ago
△ABC ≅ △DEF, EF = x 2 - 7, and BC = 4x - 2.
Artist 52 [7]

Answer:

Therefore the value of x is 5.

Step-by-step explanation:

Given:

△ABC ≅ △DEF,

EF = x 2 - 7, and

BC = 4x - 2.

To Find:

the values of x. = ?

Solution:

△ABC ≅ △DEF      ........Given

If two Triangles are congruent then the Corresponding Parts of Congruent Triangles are Congruent.

∴ BC ≅ EF   ...................CPCTC

Substituting the values we get

4x-2=x^{2}-7\\x^{2}-4x-5=0

Now By Factorizing we get

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Therefore the value of x is 5.

8 0
3 years ago
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