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mr_godi [17]
3 years ago
13

Which pair of undefined terms is used to define a ray?

Mathematics
2 answers:
Kryger [21]3 years ago
7 0
The answer to this problem is line segment
morpeh [17]3 years ago
5 0

Answer:

D. point and line

Step-by-step explanation:

Edgunuity

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Identify the explicit function for the sequence in the table
nignag [31]
The common difference is 19-7 = 31-19 = 12, so this is an arithmetic sequence. The initial term (when n=1) is 7.

The explicit formula for the terms of an arithmetic sequence is
  an = a1 + d(n-1)
where "a1" is the first term and "d" is the common difference. The formula that matches a1=7 and d=12 is
  B. a(n) = 7+(n-1)·12
6 0
3 years ago
20 chairs at 5 tables = ? chairs per table
alexandr402 [8]

Answer:

4 chairs per table

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
HELP PLEASE <br><br>i dont understand at all...
bija089 [108]

An exponent signifies repeated multiplication.

x\cdot x\cdot x=x^{3}  the factor x is repeated 3 times

Exponents can be added and subtracted to express the effects of multiplication and division.

\dfrac{x\cdot x\cdot x\cdot x\cdot x}{x\cdot x\cdot x}=\dfrac{x^{5}}{x^{3}}\\\\=\dfrac{x\cdot x\cdot x}{x\cdot x\cdot x}\cdot x\cdot x=x\cdot x\\\\=x^{(5-3)}=x^{2}

The addition and subtraction of exponents works the same even when there are more denominator factors than numerator factors.

\dfrac{x\cdot x\cdot x}{x\cdot x\cdot x\cdot x\cdot x}=\dfrac{x^{3}}{x^{5}}=\dfrac{1}{x^{2}}\\\\=x^{(3-5)}=x^{-2}

That is, a negative numerator exponent is the same as a positive denominator exponent and vice versa. You can move a factor with an exponent from denominator to numerator and change the sign of the exponent, and vice versa.

Your expression has 3 in the denominator with a negative exponent. It can be moved to the numerator and the exponent changed to positive:

\dfrac{1}{3^{-2}}=3^{2}\\\\=3\cdot 3=\bf{9}

8 0
3 years ago
3(x+2)^2+7 in standard form
Lady bird [3.3K]

Answer:-2x^2+3x-7=0

Step-by-step explanation:

4 0
3 years ago
Factor the expression 3x? - 75 completely. (select one answer)
AysviL [449]
Should be the 3rd one
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3 years ago
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