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Jet001 [13]
3 years ago
15

Please answer this question, I am timed. Thank you! :)

Mathematics
2 answers:
castortr0y [4]3 years ago
8 0
The correct answer is the second one. (B) because the perimeter is when all outside numbers are added up. So, the top and bottom of the rectangle it 5 units each. The height is 3 units each. If you add all of these numbers up, you get 16. (5+5+3+3)

I hope this helps!
frutty [35]3 years ago
4 0
The perimeter of the rectangle is 16
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What is the value of f(2) for f(x)=2x5−8x4+3x3−4x2+9x−1?(1 point)
Yanka [14]

Answer:

-39

Step-by-step explanation:

just took the quick check

4 0
3 years ago
A population of 1200 rabbits increases by 2.5% each year. At the end of 5 years, there will be approximately 1,358 rabbits in th
lubasha [3.4K]

Answer: y= 1200 (1.025)^t

Step-by-step explanation:

Hi, to answer this question we have to apply an exponential growth function:

A = P (1 + r) t  

Where:

p = original population

r = growing rate (decimal form)

t= years

A = population after t years

Replacing with the values given:

1200= 1200 (1+ 2.5/100)^5

1200= 1200 (1+ 0.025)^5

1200= 1200 (1.025)^5

For the number of rabbits, y, at the end of t years

y= 1200 (1.025)^t

Feel free to ask for more if needed or if you did not understand something.

4 0
4 years ago
A cylinder has a volume of 320 pi cu. in. and a height of 5". Find the radius of the cylinder.
crimeas [40]

Answer:

The radius of cylinder is 8 inches.

Step-by-step explanation:

We have given,

Volume of cylinder = 320π   cubic inches

Height of cylinder = 5 inches

We know, Formula for volume of cylinder as : V =πr²h

where r is radius of cylinder and h is the height of cylinder.

So, We can plug values for V and h to get radius of cylinder.

i.e  V = πr²h

320π = πr²* 5

Solving for r.

We get,

320 = r² * 5

320/5 = r²

64 = r²

or r = ±8 , Since radius of cylinder can not a negative number so we neglect -8.

Hence the radius of cylinder is 8 inches.


3 0
3 years ago
QUESTION 4<br>Factorise fully:<br>4.1.1<br>12x² – x - 6​
vaieri [72.5K]

Answer:

y = (4x - 3)(3x + 2)

Step-by-step explanation:

Factorization is the process of taking like terms out of number such that one can rewrite an expression by its factors, or as the products of serval smaller expressions.

The first step to factoring an equation is to rewrite the linear term as the sum or difference of two other linear terms. One must do this in such as way that it shares a common factor with one of the other terms in the expression.

12x^2 -x - 6

12x^2 -9x + 8x - 6

Take out the common factor,

3x(4x-3)+2(4x-3)

Factor,

(3x+2)(4x-3)

7 0
3 years ago
The diameter of the cone is 6 inches. It’s height is 4 inches. What is its slant height?
Kisachek [45]

Answer:

5 inches

Step-by-step explanation:

As the height is perpendicular to the base, the radius and the height form a right angle, creating a right triangle where the slant height is the hypotenuse, thus:

(height)^2+(radius)^2=(slant\:height)^2

4^2+(6/2)^2=(slant\:height)^2

16+9=(slant\:height)^2

25=(slant\: height)^2

5=slant\: height

In conclusion, the slant height of the cone is 5 inches. See below for a visual.

6 0
2 years ago
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