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rodikova [14]
3 years ago
9

Richie says that 2.141441444... is a rational number. Elsa disagrees. Who is correct? What may have been the error of who was wr

ong?​
Mathematics
1 answer:
Oxana [17]3 years ago
3 0

Answer:

Elsa is correct.

Step-by-step explanation:

The number is irrational, for it is not a terminated decimal, which means that the decimal cannot be made into a fraction.

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Please help with #2 asap !
Triss [41]

Answer:

I'm sorry but I can't see question 2

Step-by-step explanation:

4 0
3 years ago
The length of a rectangle is 8 1/2 inches and the width is 3 1/4 inches. What is the ratio, using whole numbers, of the length t
frosja888 [35]
Short answer 34/13
Start by converting both to improper fractions.

8 1/2 = (2*8 + 1)/2 = 17/2

3 1/4 = (3*4 + 1)/4 = 13/4

Next set up a 4 layer fraction

\dfrac{\dfrac{17}{2}}{\dfrac{13}{4} }

Invert the lower fraction and multiply\dfrac{17}{2}* \dfrac{4}{13}

Cancel the 2 and the 4 leaving you with a 2 in the numerator.\dfrac{17*2}{13} =\dfrac{34}{13} 

5 0
3 years ago
Simplify x^2 over x^2 - 2x
Scilla [17]

Answer:

2x^2-2x

Step by Step Explanation:

The 2   x^2 come together to form 2x^2 and since there is no other number that has x but no ^2 -2x stays the same.

8 0
2 years ago
Whats the gcf of 15 and 70
makvit [3.9K]
The gcf of 15 and 70 is 5
8 0
3 years ago
Read 2 more answers
Write an equation for the quadratic graphed below: x-intercepts: (-1,0) and (4,0); y-intercept: (0,1)
Luda [366]

Answer:

y = (1/4)x² - (5/4)x + 1

Step-by-step explanation:

The x-intercepts of the quadratic equation are simply it's roots.

Thus, we have;

(x + 1) = 0 and (x - 4) = 0

Now, formula for quadratic equation is;

y = ax² + bx + c

Where c is the y intercept.

At y-intercept: (0,1), we have;

At (-1,0), thus;

0 = a(1²) + b(1) + 1

a + b = -1 - - - (1)

At (4,0), thus;

0 = a(4²) + b(4) + 1

16a + 4b = -1

Divide both sides by 4 to get;

4a + b = -1/4 - - - (2)

From eq 1, b = -1 - a

Thus;

4a + (-1 - a) = -1/4

4a - 1 - a = -1/4

3a - 1 = -1/4

3a = 1 - 1/4

3a = 3/4

a = 1/4

b = -1 - 1/4

b = -5/4

Thus;

y = (1/4)x² - (5/4)x + 1

6 0
2 years ago
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