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1 year ago

Which of the following statements is true?

Mathematics

1 answer:

Vitek1552 [10]1 year ago

6 0

Answer:

Step-by-step explanation:

1/9 can be simplified to 1/3 as 1/3 x 1/3 = 1/9 and 49/25 can be simplified to 7/5 as 7/5 x 7/5 = 49/25.

Now looking at both the fraction 1/3 and 7/5

1/3 simplifies to 0.34

It is an irrational value as the 3 keeps repeating.

7/5 simplifies to 1.4

It is a rational value as the decimal value is not repeating.

Thus making the second option the answer.

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A swimming class has 20 students. Only 8 students know how to dive off

Allisa [31]

Answer: 40%

Step-by-step explanation:

To write 8/20 as a percent have to remember that 1 equal 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol % . 8/20 * 100 = 0.4 * 100 = 40% And finally we have: 8/20 as a percent equals 40%

6 0

2 years ago

How to find the volume of a cone? Height- 8 in. Diameter- 7 in.

mestny [16]

The formula for the volume of a cone is V = $\pi r^{2} \frac{h}{3}$

So the answer is 102.63

4 0

2 years ago

HELP!! PLEASE!!! THANK YOU!!

Blizzard [7]

Answer:

C. 8x - 3y = 5

Step-by-step explanation:

7 - 3(x - y) = 5x + 2

Standard form: Ax + By = C

7 -3x + 3y = 5x + 2

7 -8x + 3y = 2

-8x + 3y = -5

Divide by -1 to each number

8x - 3y = 5

6 0

2 years ago

Which exponential function is represented by the values in the table?

astraxan [27]

ANSWER

The exponential function is
$f(x) = 3( {2}^{x} )$

EXPLANATION

Let the exponential function that is represented by the values in the table be of the form,

$f(x) = a( {b}^{x} )$

The points in the table must satisfy this exponential function.

We substitute the point,

$(0,3)$

to get,

$3 = a( {b}^{0} )$

This implies that,

$3 = a( 1 )$

$3 = a$

Our function now becomes,

$f(x) = 3( {b}^{x} )$

We gain, plug in another point yo find the value of b too.

Let us substitute
$(1,6)$

This implies that,

$6= 3( {b}^{1} )$

We divide through by 3 to obtain,

$2 = b$

Therefore the function is,

$f(x) = 3( {2}^{x} )$

The correct answer is A.

3 0

2 years ago

Read 2 more answers

What is 26 percent of 2.21

Rashid [163]

You have to do mutiplication. how do you know that you have to do mutiplcation because the (of) it means times. so 26 * 2.21 = 0.5746
2.21/x=100/26
(2.21/x)*x=(100/26)*x 
2.21=3.8461538461538*x
(3.8461538461538) to get x
2.21/3.8461538461538=x 
0.5746=x 
x=0.5746

7 0

2 years ago