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stich3 [128]
3 years ago
14

Find a rational number and an irrational number that are between 9.5 and 9.7.

Mathematics
2 answers:
IRISSAK [1]3 years ago
8 0
So to better understand this question, let us define rational and irrational numbers first. Rational numbers are those numbers that can be written in fractions. On the other hand, irrational numbers are those numbers that cannot be written as fractions and the common example of it is pi. So, the rational number that is between 9.5 and 9.7 would be 9.6. This can be written as 9 and 3/5 or 48/5. And the irrational number would be <span>9.562359123571283578. Hope this answer helps.</span>
german3 years ago
7 0

Answer:

Rational = 9.6

Irrational = 9.61611611161111611111....

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1.928•10^7 in standard notation
Dafna11 [192]

Answer:

19280000

Step-by-step explanation:

5 0
3 years ago
The domain of the reltionship (3,4) (5,-1) (-11,2), (9,3) (-7,-1)?
Vedmedyk [2.9K]

Answer:

3,5,-11,9,-7

Step-by-step explanation:

The domain is the x values

7 0
3 years ago
Read 2 more answers
For the function f (x) = 3 (x + 7), find -1().
AlekseyPX

Given:

The function is f(x)=3(x+7)^{\frac{1}{4}}.

To find:

The function f^{-1}(x).

Solution:

We have,

f(x)=3(x+7)^{\frac{1}{4}}

Substitute f(x)=y.

y=3(x+7)^{\frac{1}{4}}

Interchange x and y.

x=3(y+7)^{\frac{1}{4}}

Divide both sides by 3.

\dfrac{x}{3}=(y+7)^{\frac{1}{4}}

Taking power 4 on both sides.

\left(\dfrac{x}{3}\right)^4=y+7

Subtract 7 from both sides.

\left(\dfrac{x}{3}\right)^4-7=y

y=\left(\dfrac{x}{3}\right)^4-7

Substitute y=f^{-1}(x).

f^{-1}(x)=\left(\dfrac{x}{3}\right)^4-7

Therefore, the correct option is C.

5 0
2 years ago
What is the slope of the line whose equation is 4x – 6y = 12?
zhannawk [14.2K]
4x - 6y = 12...in y = mx + b form, the slope will be in the m position. So lets turn this equation into y = mx + b form.

4x - 6y = 12....subtract 4x from both sides
-6y = -4x + 12...now divide both sides by -6
y = (-4/-6)x + 12/-6
y = 2/3x - 2...y = mx + b.....slope(m) = 2/3 <==
4 0
2 years ago
A can of cashews is cylindrical in shape. The can has a height of 4.5 inches. The radius is 1.5 inches. Find the surface area of
Margarita [4]
First you will need to split the object into three 2D figures, two circles and a rectangle. Then you will calculate the area of each of these and add them all together. 
Circles:
a = <span>πr^2
a = </span><span>π(1.5)^2
a = 7.065

Then find the area of the rectangle. 
a = lw where l is length and w is width.
since this is a cylinder, the circumference of the top will be the length.
c = 2</span>πr
c = 2<span>π(1.5)
c = 9.42

a = lw
a = 9.42 x 4.5
a = 42.39

Now add everything up and remember that there are two circles, at the top AND bottom. 

7.065(2) + 42.39 = 56.52
The answer is 56.53 inches.
</span>
8 0
3 years ago
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