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stira [4]
2 years ago
10

What is a comparison as a rate in ratio form 70 students per 2 teachers​

Mathematics
1 answer:
nekit [7.7K]2 years ago
8 0

Answer:

35:1

Step-by-step explanation:

divide each by two

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If y varies inversely as x and y = 8 when x = 9, find x when y = 12.
myrzilka [38]

Answer:

x = 6

Step-by-step explanation:

An inverse variation is

xy = k where k is the constant of variation

8*9 = k

72 = k

xy = k

Let y = 12

x*12 = 72

Divide each side by 12

12x/12 =72/12

x = 6

5 0
2 years ago
HELPPP!!!
madam [21]

Answer:

2 and a half @ 2.5 inches (sorry i can't type the fraction)

Step-by-step explanation:

  • english is my second language so sorry if you doesn't understand:

(1/2, 1/4)=(x,y)

based on the graph shown that each grid on the y axis represents 1/4, that is the smallest scale stood in the y axis.

this means 2 grid= 1/4 x 2 = 1/2 @ 0.5 inches.

since the '5 months-hair-length' is above about 2 grid above 2 inch:

2 inch + 0.5 inch= 2.5 inch

4 0
2 years ago
Most of the heat loss for outdoor swimming pools is due to surface
fgiga [73]

Answer:

rectangle

Step-by-step explanation:

Perimeter of 20 feet

rectangle (square is technically a rectangle):

sides 5 and 5

5*5 = 25ft²

Circle:

20/(2π) = 3.18309...

3.1809...²π = 31.831ft²

Max area of rectangle (i.e. square) has a smaller area than a circle.

5 0
3 years ago
The value of 2 to the 3rd power + 3 to the 3 power = ___.
Arturiano [62]
35.

2*2= 4*2=8

3*3=9*3=27

27+8=35

So the answer is 35. Hope this helps
3 0
2 years ago
Read 2 more answers
The work shows how to use long division to find?
KIM [24]

Answer:

remainder = \frac{1}{x-2}

Step-by-step explanation:

The remainder is the value of the subtraction of the last 2 lines in the procedure.

  5x - 9

- (5x - 10)

That is

5x - 5x = 0 and - 9 - (- 10) = - 9 + 10 = 1

over the divisor x- 2 , gives

remainder = \frac{1}{x-2}

6 0
2 years ago
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