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NeX [460]
3 years ago
6

What is 1/5 expressed as a percentage​

Mathematics
2 answers:
Volgvan3 years ago
7 0

Answer: 20%

Step-by-step explanation: the decimal is 0.2 and that make the percentage 20%

Karo-lina-s [1.5K]3 years ago
6 0

Answer:

\frac{1}{5} = 20%

Step-by-step explanation:

\frac{1}{5} = 0.20 = 20%

If you do long division you'll get 0.2 as the answer

      0.2

 5 / 1.00

      -10

         00

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You ask 125 randomly chosen students to name their favorite food. There are 1500 students in the school. Predict the number of s
jasenka [17]
1500-125=1,375
so 1375 should be your answer.

8 0
3 years ago
Given x : y: z = 5:1:3 and z - y = 28. find the value of x + y​
Vera_Pavlovna [14]

Answer:

x + y = 84

Step-by-step explanation:

Given

x : y : z = 5 : 1 : 3, then

\frac{x}{y} = 5 ( multiply both sides by y )

x = 5y ←

and \frac{y}{z} = \frac{1}{3} ( cross- multiply )

3y = z

Substitute z = 3y into z - y = 28

3y - y = 28

2y = 28 ( divide both sides by 2 )

y = 14 ← ←

Substitute y = 14 into x = 5y

x = 5 × 14 = 70 ← ←

Substitute y = 14 into z - y = 28

z - 14 = 28 ( add 14 to both sides )

z = 42 ← ←

Thus x = 70, y = 14 and z = 42

Hence x + y = 70 + 14 = 84

5 0
3 years ago
a flat-bottom reflecting pool has length 30 yards, width 10 yards, and depth 0.3 yard. Find th e surface area of the pool and th
Zigmanuir [339]
The surface area of the object above can be calculated by summing up all the areas of the surfaces. Therefore, we will have 5 surfaces with rectangles as the shape. The volume would be the product of the length, width and the depth. We calculate as follows:

SA = 2(depth)(length) + 2(depth)(width) + (width)(length)
SA = 324 yd^2

VOlume = 30x10x.3
Volume = 90 yd^3
3 0
3 years ago
Using only odd numbers for numerators, write two different subtraction problems that have a difference of 1/2.
Korvikt [17]
3/4 - 1/4 = 2/4 = 1/2

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5 0
3 years ago
Read 2 more answers
Alica created a portrait that is 10 inches wide and 13 inches long she wants to put a frame that is 2 1/4 wide on each side
Goryan [66]

Answer:

A_f=470ft

P_f=88ft

Step-by-step explanation:

From the question we are told that:

Width of Portrait w=10inches

length of Portrait l=13inches

Frame each l_W=21/4inch each

 

Generally the equation for area of portrait A is mathematically given by

A=w*l\\A=10*13\\A=130m^2

Generally the equation for Perimeter of portrait is mathematically given by

P=2(w+l)\\P=2(10+13)\\P=46m

Generally the equation for area of portrait  with frame is mathematically given by

A=w_f*l_f

where

w_f=width of portrait with frame

w_f=2*21/4+w\\w_f=2*21/4+10\\w_f=20.5ft

l_f=Length of portrait with frame

l_f=2*21/4+l\\l_f=2*21/4+13\\l_f=23.5ft

Therefore Area of picture with frame

A_f=w_f*l_f

A_f=20.5*23.5

A_f=470ft

Generally the equation for Perimeter of portrait is mathematically given by

P_f=2(w_f+l_f)\\P_f=2(20.5+23.5)\\P_f=88ft

4 0
3 years ago
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