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Rudik [331]
3 years ago
5

I need help ASAP. Please answer this equation! Combine like terms.

Mathematics
1 answer:
Pavel [41]3 years ago
8 0

Step-by-step explanation:

4x+ 5x - 5 +6 +4y^3- 2y^3- 5y^3

9x + 1 + 64y - 8y - 125y

9x + 1 - 69y

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How many numbers are equal to the sum of two odd, one digit numbers?
JulijaS [17]
<span>2,4,6,8,10,12,14,16,18</span>
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3 years ago
An open rectangular box is 4 feet long and has a surface area of 20 square feet. Find the dimensions of the box for which the vo
sweet-ann [11.9K]
SA=2H(L+W)+LW for open box
20=2H(4+W)+4(W)
distribute
20=8H+2WH+4W
divide both sides by 2
10=4H+WH+2W
solve for 1 variable, pick W
10-4H=WH+2W
10-4H=W(H+2)
(10-4H)/(H+2)=W

V=LWH
subsitute 4 for V, subsitute H for H and (10-4H)/(H+2) for W
V=(4)(H)(10-4H)/(H+2)
V=(40H-16H²)/(H+2)
find max value
take deritivitive of this thing
V'=-16(H²+4H-5)/((H+2)²)
using sign chart
sign changes from positive to negative at H=1

so at H=1
find W

W=(10-4H)/(H+2)
W=2

the dimeionts are

length=4ft
width=2ft
height=1ft
(the volume is 8 cubic feet)
3 0
3 years ago
PLEASE, PLEASE, PLEASE I NEED HELP IT TEN POINT AND WILL BE MARK AS BRAINLIST! ttttttthhhhhhhaaaaaannnnnnkkkk
kow [346]

Answer: B.1/6 quarts

Step-by-step explanation:

3/4 Minutes = 1/8 Juice

4/3 * 3/4 Minutes * 4/3 * 1/8 Juice

1 Minutes = 1/6 quarts

Making B your answer

6 0
3 years ago
Help me solve this paper mathematical
Murrr4er [49]
I wish i can help you
7 0
3 years ago
Number 7: What do the lines on the shape mean
ikadub [295]
I'm pretty sure that they are there to show symmetry
5 0
3 years ago
Read 2 more answers
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