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Oduvanchick [21]
3 years ago
11

It took 30 minutes for Melinda to run 4 miles

Mathematics
1 answer:
Arlecino [84]3 years ago
3 0

Answer:

each mile took 7.5 minutes.

dividing 30 by 4.

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What is the approximate area of a sector given O= 56 degrees with a diameter of 12m?​
jeyben [28]

Area of sector is 17.584 meters

<em><u>Solution:</u></em>

Given that we have to find the approximate area of a sector given O= 56 degrees with a diameter of 12m

Diameter = 12 m

Radius = Diameter / 2 = 6 m

An angle of  56 degrees is the fraction \frac{56}{360} of the whole rotation

A sector of a circle with a sector angle of 56 degrees is therefore also the fraction \frac{56}{360} of the circle

The area of the sector will therefore also be  \frac{56}{360} of the area

\text{ sector area } = \frac{56}{360} \times \pi r^2\\\\\text{ sector area } = \frac{56}{360} \times 3.14 \times 6^2\\\\\text{ sector area } = 17.584

Thus area of sector is 17.584 meters

3 0
3 years ago
A part selected for testing is equally likely to have been produced on any one of six cutting tools.
JulijaS [17]

Answer:

a)S= (1,2,3,4,5,6)

b) 1/6 or 16.67%

c) 1/3 or 33.33%

d) 5/6 or 83.33%

Step-by-step explanation:

a) Sample space is the list of all the possible sample in this its either tool 1,2,3,4,5 or 6

b) probability of selecting from tool 1 is equally likely to picking from any cutting tool therefore it

1/6 or 16.7%

c) probability of selecting from any tool is 16.7% so probability of selecting from 3 or 5 = 16.67% + 16.67% = 33.3%

d) if the part is not from tool 4 then its from tool 1, or tool 2 or tool 3 or tool 5 or tool 6 therefore its

1/6+1/6+1/6+1/6+1/6 = 5/6 or 8.33%

8 0
3 years ago
56 ÷ x = 7 using subtraction
wlad13 [49]
The answer is 8. X=8
5 0
3 years ago
Read 2 more answers
I’m so confused on how to do this
dimaraw [331]

Answer:

19

Step-by-step explanation:

First:  Recognize that (f o g)(x) is the "composition" of two functions, where g(x) serves as the input to f(x).  We are given f(x) = 2x+3 and g(x) = x+5.  You could find g(3) right now:  it is g(3) = 3+5 = 8.  Use this 8 as the input to f(x):  f(8) = 2(8)+3 = 19.

3 0
3 years ago
How do you do rotation of the origin ?
anzhelika [568]
The rotation rule would be (-y, x)

Write/mark all your coordinates down. Now plot all your prime points and draw a line connecting them.

Hope this helps!~
6 0
3 years ago
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