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Dmitry [639]
3 years ago
13

Express 4/5 as a percent. %

Mathematics
2 answers:
NARA [144]3 years ago
7 0

Answer:

80%

Step-by-step explanation:

4/5 of a hundred is 80

Sergeu [11.5K]3 years ago
3 0

Answer: 4/5 as a percent is 80%

More in detail:

The given fraction 45 has a denominator 5. We multiply and divide the fraction by 20. 45=(4×20)(5×20)=80100.

Writing this fraction as a percentage. By definition, 80100 = 80%

So, 45 = 80%

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...... trying to find domain, range rel max rel min end behavior inc intervals dec intervals. zeros..... I'm a mom trying to hel
Fiesta28 [93]

Answer:

The values are evaluated below.

Step-by-step explanation:

Given function is

-x^4-7x^3-12x^2

We have to find the domain, range, rel max, rel min, end behaviour, increasing or decreasing intervals and zeros of polynomial.

Domain:

The domain of a function is the set of all possible values of x for the given function.

Here domain is set of all real numbers R.

Range:

The range is the resulting y-values we get after substituting all the possible x-values.From the graph we see that

The range is -\infty

Relative maxima and minima of a function,  are the largest and smallest value of the function on an entire domain of function.

Relative max of -x^4-7x^3-12x^2 is 0 at x=0

and \frac{3}{512}(133\sqrt57-471) at x=\frac{-21}{8}-\frac{\sqrt57}{8}

Relative min is

\frac{-3}{512}(471+133\sqrt57) at x=\frac{-21}{8}+\frac{\sqrt57}{8}

From the graph we see that

End behaviour is  As \\x->\infty, f(x)->-\infty\\x->-\infty, f(x)->-\infty\\

Increasing intervals and decreasing intervals are

Increasing: \frac{1}{8}(\sqrt57-21)

Decreasing: \frac{1}{8}(-21-\sqrt57)  

Zeroes are :

-x^4-7x^3-12x^2=0

⇒ (-x^2)(x^2+7x+12)=0

⇒(-x^2)(x+3)(x+4)=0

Hence, zeroes are 0, 0, -3, -4



3 0
3 years ago
Read 2 more answers
How much fabric is needed to make curtains for a 5foot tall 3 foot wide window?
SpyIntel [72]
Area = 5(3) = 15 feet
3 0
3 years ago
Help please? I’m not so intelligent.
nlexa [21]

Answer:

It is 33. Answer B is correct.

5 0
3 years ago
Solve the problems from 4-6
lara31 [8.8K]

4. B

5. B

6. D

Step-by-step explanation:

4. The radius is 3 units (3 boxes). So you do pi*r^2 = 3.14*9

5. You want the area of the box minus the area of the two circles.

Height of the box is 8 (bottom of circle to the top is two times the radius). Width of the box is 16 (left end of the left circle to the right end of the right circle) so 4 times the radius of the circles. Area of box is 128

Area of each circle is 3.14*(16). So you do 128 - 2*3.14*16.

6. Just plug in the radius 9 to the area of a circle formula: pi*radius^2 = 81*pi

4 0
3 years ago
Please help me.................
Varvara68 [4.7K]
10 feet in guessing Bc it’s 9.5 and the nearest tenth is 10
8 0
3 years ago
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