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dangina [55]
3 years ago
13

What is a rational number? A.9 B.15 C.28 D.25

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
6 0

Hi there! :) The answer to your question is all of them. A rational number is a number which can be written as a ratio. Ratios are basically fractions so the numerator and denominator are whole numbers. Whole numbers are 5,49, 688 a number WITH NO fraction. I hope I explained it well and it makes sense. ;)

Hope I helped! =)


Darina [25.2K]3 years ago
4 0
The answer is..........
A. 9
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What is the solution to the equation 13 3/4 + x equals 7 1 / 4​
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Answer:

x=-6.5

Step-by-step explanation:

7\frac{1}{4} - 13\frac{3}{4}=-6\frac{1}{2}=-6.5

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3 years ago
If F(x) = x-1, which of the following is the inverse of F(x)?
vivado [14]

Answer:

f^-1(x) = x+1

Step-by-step explanation:

y = x-1

x = y-1

y = x+1

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3 years ago
Which transformations will produce similar, but not congruent, figures?
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A, because anything with a dilation will not be congruent as the original PQR :))
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3 years ago
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Find each measure m<1, m<2,m<3
Leno4ka [110]

Answer:

option 2.

m1 = 75    ,   m2 = 129   ,   m3 = 100

Step-by-step explanation:

with the rule that the internal angles of a triangle add up to 180 ° we can calculate the missing angles

x + 46 + 29 = 180

x = 180 - 46 -29

x = 105

a flat angle has 180 °

m1 + 105 = 180

m1 = 180 - 105

m1 = 75

46 + 54 + y = 180

y = 180 - 46 -54

y = 80

80 = z + 29

z = 80 - 29

z = 51

as they are two crossed lines the angle is reflected from the opposite side

with that principle and knowing that the angle of a turn is 360 °, if we subtract the 2 known angles and divide it by 2 we will obtain the missing angle (m2)

m2 * 2 = 360 - 51 * 2

m2 = 258/2

m2 = 129

m2 = 29 + m3

129 = 29 + m3

m3 = 129 - 29

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4 0
3 years ago
Math expressions that equal 13​
qaws [65]

Step-by-step explanation:

There can be a lot of math expressions that may equal 13. Here are some of the expressions that equal 13​.

  • 9 + 4 = 13
  • 15 - 2 = 13
  • 1 × 13 = 13

Now, let us consider some interesting expression

x^3-x^2+x+7

If the value of x = 2, then the expression will be equal to 13.

i.e.

2^3-2^2+2+7=13        ∵ when x = 2

Considering a word problem

<em>'Tom has 10 oranges while Tony has 3 more oranges than Tom. How many oranges Tony has?</em>

Let 'x' be the number of oranges Tom has.

The number of oranges Tony has = x + 3

as Tom has 10 oranges, so x = 10

Therefore, the number of oranges Tony has = x + 3

                                                                          = 10 + 3 = 13

Therefore, the number of oranges Tony has = 13

7 0
3 years ago
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