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fiasKO [112]
3 years ago
6

Will give brainliesttt!!!

Mathematics
1 answer:
ratelena [41]3 years ago
4 0
I hope this helps you;).,.

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12. Find the area lying above the x - axis and below the parabolic curve y = 4x - x2.
Margarita [4]
First we find the zeroes so we don't take the integral of negative bits

4x-x²
x(4-x)
zeroes at x=0 and x=4
it opens down
so the part we are interested in is the bit between x=0 and x=4

\int\limits^4_0 {4x-x^2} \, dx =[2x^2- \frac{1}{3}x^3]^4_0=(32- \frac{64}{3})-(0)=  10.6666666666 or aout 10 and 2/3

C is answer
6 0
3 years ago
Are all relational numbers real numbers?
aleksklad [387]

Answer: I would say yes because real numbers include rational numbers, integers, whole, Natural, and Irrational.

* Hopefully this helps:)!! Mark me the brainliest:)!!

* Hopefully the picture also helps because it really helped me.

<em>∞ 234483279c20∞</em>

7 0
3 years ago
If the vertices of / are B(–3, 3), C(3, 5), and D(–1, 0), what is the perimeter
Rasek [7]
Best is to draw a sketch of the three points.
Next step is to find the distances BC, CD, DB.
The perimeter is the sum of the three distances.

The distances are found using the distance formula:
D=sqrt((y2-y1)^2+(x2-x1)^2)
order of (x1,y1), (x2,y2) is not important.
BC=sqrt((3- -3)^2+(5-3)^2)=sqrt(6^2+2^2)=sqrt(40)=5.324
CD=sqrt((-1-3)^2+(0-5)^2)=sqrt(4^2+5^2)=sqrt(41)=6.403
DB=sqrt((-3- -1)^2+(3-0)^2)=sqrt(2^2+3^2)=sqrt(13)=3.606
So perimeter = BC+CD+DB=16.333  (approximately)
4 0
3 years ago
What is %15 of $35.15 <br><br> What is %15 of $27.00
expeople1 [14]
Just multiply each times 0.15 :)

$35.15 = $5.2725
&27.00 = $4.05
8 0
3 years ago
Read 2 more answers
help me please!!!!!!!!!!!
dlinn [17]
I think it’s either B or D
4 0
3 years ago
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