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Marina86 [1]
3 years ago
6

QUICK QUICK PLEASE ANSWER THIS NOW!

Mathematics
2 answers:
marissa [1.9K]3 years ago
5 0
Rylie would purchase 5 cans.
aev [14]3 years ago
4 0

rylie purchases 5 cans

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Find the second derivative y= x^2lnx
Dimas [21]
First we use product rule
y=x^2lnx
dy/dx = x^2 d/dx (lnx) + lnx d/dx (x^2)
dy/dx = x^2 (1/x) + lnx (2x)
dy/dx = x + 2xlnx

now taking second derivative:
d2y/dx2 = 1 + 2[x (1/x) + lnx (1)]
d2y/dx2 = 1 + 2[1+lnx]
         1+2+2lnx
         3+2lnx is the answer


3 0
3 years ago
Factor f(x) = 4x^2 − 5x − 21
jeka94

Answer:

x = -7/4, 3

Step-by-step explanation:

Use quadratic formula

4 0
3 years ago
Find the value of c that makes each trinomial a perfect square.<br> x^2-13x+c
vova2212 [387]

Answer:

169/4

Step-by-step explanation:

x² - 13x + c

x² -2(x)(13/2) +(13/2)²

(13/2)² = 169/4 or 42 ¼

8 0
3 years ago
Jay made a name tag that was 15.24 centimeters long. What is the length of the tag in millimeters?
Georgia [21]
1cm = 10mm

15.24cm x 10 = 152.4mm

Hope this helps!!!
4 0
3 years ago
Read 2 more answers
I need help please ​
ElenaW [278]

Answer:

L = 25

Step-by-step explanation:

Let's call the Length x and width x - 15 since the width is 15 less than length

Eric needs 70 of fencing in total, the perimeter of a rectangle is calculated by adding all sides

x + x + (x - 15) + (x - 15) = 70 add like terms

4x - 30 = 70 add 30 to both sides

4x = 100 divide both sides by 4

x = 25

8 0
3 years ago
Read 2 more answers
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