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Vesnalui [34]
4 years ago
8

4y = 60 solve for the y

Mathematics
2 answers:
Margaret [11]4 years ago
4 0

Answer:

y=15

Step-by-step explanation:

divide both sides by 4

y=60/4

y=15

vova2212 [387]4 years ago
3 0

Answer:

60

Step-by-step explanation:

60 divided by 4=15 and if you times 15 by four youll get 60

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Metal Fabrication If an open box is made from a tin sheet 10 in. square by cutting out identical squares from each corner and be
MrRa [10]

Answer:

  • ength (l) : (10-2*5/3) = 20/3
  • width(w): (10 - 2*5/3) = 20/3
  • height(h): 5/3

Step-by-step explanation:

Let x is the side of identical squares

By cutting out identical squares from each corner and bending up the resulting flaps, the dimension are:

  • length (l) : (10-2x)
  • width(w): (10-2x)
  • height(h): x

The volume will be:

V = (10-2x) (10-2x) x

<=> V = (10x-2x^{2}) (10-2x)

<=> V = 100x -20x^{2} - 20x^{2} + 4x^{3}

<=> V = 4x^{3}  - 40x^{2} + 100x

To determine the dimensions of the largest box that can be made, we need to use the derivative and and set it to zero for the maximum volume

dV/dx = 12x^{2} -80x + 100

<=>  12x^{2} -80x + 100 =0

<=> x = 5 or x= 5/3  

You know 'x' cannot be 5 , because if  we cut 5 inch squares out of the original square, the length and the width will be 0. So we take x = 5/3

=>

  • length (l) : (10-2*5/3) = 20/3
  • width(w): (10 - 2*5/3) = 20/3
  • height(h): 5/3
6 0
3 years ago
Solve For X<br> (see picture below) <br><br> thank you!
Dmitriy789 [7]

Answer:

x = 6

Step-by-step explanation:

<em>If </em><em>two secants</em><em> are drawn from</em><em> a point outside </em><em>the circle, then the </em><em>product</em><em> of the lengths of</em><em> one secant </em><em>and its</em><em> external segment</em><em> equals the </em><em>product </em><em>of the lengths of</em><em> the other secant </em><em>and its</em><em> external segment</em><em> </em>

Let us solve the question.

∵ There is a circle in the given figure

∵ There are two secants intersected at a point outside the circle

∵ The length of one of them = 8

∵ The length of its external segment = x

∵ The length of the other secant = 4 + 8 = 12

∵ The length of its external segment = 4

→ By using the rule above

∴ 8 × x = 12 × 4

∴ 8x = 48

→ Divide both sides by 8

∴ x = 6

6 0
3 years ago
An airplane travels at a constant speed of 320 miles per hour how far in miles will the airplane travel in 15 minutes
Gelneren [198K]

Answer:

80 Miles

Step-by-step explanation:

If you convert 15 minutes to hours, you get .25 hours. Then, you use that number and multiply it by 320 to get your answer; 80 miles.

5 0
3 years ago
Directions: Select ALL the correct answers.
dybincka [34]

Answer:

b, that each player loaded onto the truck is

proportional to the number of minutes. m. spent loading boxes.

• Cory loaded twice as many boxes as Alonzo.

The equation that represents the number of boxes Cory loaded is

b = 2m.

Step-by-step explanation:

hope this helps

7 0
3 years ago
Evaluate the expression 10b/a if b = 6 and a = 2
zimovet [89]

Answer:

30

Step-by-step explanation:

10b/a

b = 6

a =2

10(6)/2

10x6 / 2 = 60/2

= 30

8 0
3 years ago
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