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dlinn [17]
3 years ago
10

The difference of a number times 2 and 3 equals 8.

Mathematics
2 answers:
laiz [17]3 years ago
8 0
I think the answer is 2 but I'm not sure
MrRissso [65]3 years ago
6 0
2n-3=8
2n=8+3
2n= 11
N= 11/2
N= 5.5

The answer is 5.5 or 11/2.

Hope this helps!
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Martina needs to make a total of 40 deliveries this week. so far she has completed 12 of them. what percentage of her total deli
Luda [366]

Answer: 10 percent

Step-by-step explanation:

because she was supposed to do 40 she did only 12 so it is 10%

7 0
3 years ago
At home, 2 out of 5 people have access to board and technology. what percent is this?
Paha777 [63]

Answer:

0.4

Step-by-step explanation:

you just have to divide

2÷5=0.4

5 0
3 years ago
What is the answer to 2+5(8-5)=?
VashaNatasha [74]

Answer:

17

Step-by-step explanation:

2+5(8-5)

2+(5×8)-(5×5)

2 +40-25

42-25

=17

4 0
3 years ago
Read 2 more answers
What are the roots of the quadratic function f(b)=b^2-75
Ivahew [28]
Set f(b) = b^2 - 75 = to 0 and solve for b:

b^2 = 75
b^2 = 25(3)
b = plus or minus sqrt(25[3]) = plus or minus sqrt(25)*sqrt(3) = plus or minus 5 sqrt(3).
5 0
3 years ago
(8.5-2x)(11-2x)(x) what is the approximate value of x that would allow you to construct an
Wittaler [7]

The largest volume possible from one piece of paper for open-top box is 64.296 cubic unit.

<h3>What is meant by the term maxima?</h3>
  • The maxima point on the curve will be the highest point within the given range, and the minima point will be the lowest point just on curve.
  • Extrema is the product of maxima and minima.

For the given question dimensions of open-top box;

The volume is given by the equation;

V = (8.5-2x)(11-2x)(x)

Simplifying the equation;

V = x(4x² - 39x + 93.5)

Differentiate the equation with respect to x using the product rule.

dV/dx = x(8x -39) + (4x² - 39x + 93.5)

dV/dx = 8x² - 39x + 4x² - 39x + 93.5

dV/dx = 12x² - 72x + 93.5

Put the Derivative equals zero to get the critical point.

12x² - 72x + 93.5 = 0.

Solve using quadratic formula to get the values.

x = 4.1  and x = 1.9

Put each value of x in the volume to get the maximum volume;

V(4.1) =  4.1(4(4.1)² - 39(4.1) + 93.5)

V(4.1) = 3.44 cubic unit.

V(1.9) = 1.9(4(1.9)² - 39(1.9) + 93.5)

V(1.9) = 64.296 cubic unit. (largest volume)

Thus, the largest/maximum volume possible from one piece of paper for open-top box is 64.296 cubic unit.

To know more about the maxima, here

brainly.com/question/17184631

#SPJ1

4 0
1 year ago
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