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kari74 [83]
3 years ago
7

Find the slope of the line (-1,-4) , (-4,2)

Mathematics
1 answer:
Feliz [49]3 years ago
4 0
Rise = -6
Run = 3

-6/3 = -2

Slope = -2

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A minute-hand is 16 in long. Find the distance traveled by the tip of the minute-hand in one hour.
ella [17]

consider the length of the minute hand the radius of a circle

 the diameter would be 16*2 = 32 inches

 circumference ( distance around the circle) =

PI *32

using 3.14 for PI

3.14 *32 = 100.48 inches  Round the answer as needed

4 0
3 years ago
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Look at the figure if tan x=3/y and cos x =y/z what is the value of sin x?
castortr0y [4]
Recall:

The tan of the measure of an angle is the ratio of the opposite side to the adjacent side to that angle, that is :

\displaystyle{ \tan x^{\circ}= \frac{opposite\ side}{adjacent \ side}. 

Since this ratio is 3/y, we denote the opposite side, and adjacent side respectively by 3 and y. 

(Technically we should write 3t and yt, but we try our luck as we see y in the second ratio too!)


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The adjacent side is already denoted by y, so we denote the length of the hypotenuse by z.



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\displaystyle{ \sin x^{\circ}= \frac{opposite\ side}{hypotenuse}= \frac{3}{z}


Answer: A

5 0
3 years ago
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if a, b, and c are prime numbers, do (a b) and c have a common factor that is greater than 1? (1) a, b, and c are all different
klio [65]

If a,b, and c are prime numbers, do (a*b) and c have a common factor that is greater than 1

(1) a,b, and c are all different prime numbers

(2) c≠2

1. Let's assume values of 1,3 and 5 to a, b, and c respectively

a b = 1*3 = 3

3 and 5 do not have any common factor aside 1

Let's assume values of 1,3 and 2 to a,b and c respectively

a *b = 1*3 = 3

3 and 2 does not have a common factor aside 1

2. c \neq 2

Let's assume values of 2,7 and 3 to a b and c response

a * b = 2 *7 = 14

14 and 3 does not have a common factor aside 1

learn more about of prime number here

brainly.com/question/14410795

#SPJ4

8 0
1 year ago
Solve the system of equations.{y=2x−64x−2y=14{y=2x−64x−2y=14use the substitution method.the solution is (4, 14)(4, 14).the solut
Lilit [14]
I did this test and failed. But when I reviewed it showed me the right answers... so here is the answer: C. There is no solution. 
3 0
3 years ago
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Mr peterson will buy 80 feet of fencing. The pieces of fence come in whole numbers of feet. His enclosure will be a rectangle an
DIA [1.3K]
The perimeter is:
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 The area is:
 A = x * y
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 Rewriting we have:
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 We derive the function:
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 The other dimension is:
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 Answer:
 
The dimensions are:
 
x = 20 feet
 
y = 20 feet
 
The area is:
 
A = 400 feet ^ 2
5 0
3 years ago
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