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elena-s [515]
1 year ago
9

Help quick please iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii neeeeedddddddd heeeeeellllppppppppp

Mathematics
1 answer:
UkoKoshka [18]1 year ago
4 0
-9 + pi will be irrational becasue it contains pi
23.2 repeating + sqrt 16 is rational because repeating numbers are rational and sqrt 16 is rational.
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Change the fraction to an equivalent fraction using multiplication.
sashaice [31]

Answer:

\frac{5}{7\\} * \frac{3}{3} = \frac{15}{21}

Step-by-step explanation:

To get an equivalent fraction, we multiply by a fraction that is equal to one. The purpose is to alter the denominator of the fraction. To get from a denominator of 7 to 21 we multiply by 3. Therefore we will multiply 5/7 by 3/3 to get the new equivalent fraction with a denominator of 21.

5 0
3 years ago
Read 2 more answers
Question 6 (Essay Worth 5 points) Part A: Find a rational number that is between 5.2 and 5.5. Explain why it is rational. (2 poi
insens350 [35]
Rational between 5.2 and 5.5

5.2 × 10/10 = 52/10
5.5 × 10/10 = 55/10
rational no. b/w them is 53/10 = 5.3

rational because it is in p/q form where q is not zero and p and q are integers.



irrational.no. b/w 5.2 and 5.5


5.20102030405060708090.......

irrational.no because it is non terminating and non recurring
6 0
3 years ago
Graph the data. then find and interpret the slope of the line through the points.
iVinArrow [24]

Answer:

You have to have an X and Y axis chart to do this problem

Step-by-step explanation:


8 0
3 years ago
What is the greatest common factor of 3x4, 15x3, and 21x??
luda_lava [24]

Answer:

The GCF of 3x^4, 15x^3 and 21x is 3x^2

Step-by-step explanation:

3x^2(x^2), 3x^2(5x) , 3x^2(7)

4 0
3 years ago
Read 2 more answers
Among all pairs of numbers whose difference is 20, find a pair whose product is as small as possible. what is the minimum produc
Elza [17]

Answer:

-100

-10, 10

Step-by-step explanation:

Let the smaller number be x.

Then the larger number is x + 20.

The product is x(x + 20).

Now you can write the function

y = x(x + 20)

y = x^2 + 20x

Take the first derivative of y with respect to x.

y' = 2x + 20

Set the first derivative equal to zero to find the x value for the minimum value of the function.

2x + 20 = 0

2x = -20

x = -10

The minimum value of the function occurs at x = -10. -10 is one of the two numbers.

y = x^2 + 20x

For x = -10,

y = (-10)^2 + 20(-10)

y = 100 - 200

y = -100

The minimum value of the product is -100.

x = -10

x + 20 = -10 + 20 = 10

The numbers are -10 and 10.

If you have not learned derivatives yet, then plot the function

y = x^2 + 20x

Now look at the graph and find the minimum y value and the x value at which it occurs.

The minimum y value is -100. That is the minimum product you are looking for.

The x value of the minimum function value is x = -10.

Then x + 20 = -10 + 20 = 10.

The numbers are -10 and 10.

4 0
3 years ago
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