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NeTakaya
3 years ago
6

15x+2y>20 i need to change this to slope intercept form, please show steps!!

Mathematics
1 answer:
aleksandrvk [35]3 years ago
3 0

Answer:

y>-15/2x+10

Step-by-step explanation:

15x+2y>20

First step: Move the 15x to the other side by subtracting on both sides. 2y>-15x+20

Second step: Divide everything by 2. y>-15/2x+10

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For every 4 minutes he runs, he walks for 5 minutes. Yesterday he walked for 35 minutes. How many minutes did he run?
Dominik [7]
35/5=7*4=28
he ran for 28 minutes
5 0
3 years ago
I need help please....
Zina [86]

Answer:

1/10

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A 12-meter ladder leans against a building forming a 30° angle with the building.
KatRina [158]

Answer:

will show you two (2) ways to solve this problem.

A diagram is needed to see what is going on....

 

Without loss of generality (WLOG)

The wall is on the right. The ladder leans against the wall

with a POSITIVE slope, from SW to NE (quadrant 3 to quadrant 1).

The measure from the bottom of the ladder to the wall is 6.

 

 

Option 1:

 

The ladder, ground and wall form a right triangle.

 

The hypotenuse (ladder) is 14 feet.

 

 The bottom of the ladder is 6 feet from the wall,

  so the base of this right triangle is 6 feet.

 

The top of the ladder to the ground represents

the missing leg of the right triangle.

 

The pythagorean theorem applies, which says

 6^2 + h^2 = 14^2   where h is the height

                                 of the top of the ladder to the ground

 

36 + h^2 = 196

 

 h^2 = 196 - 36

 

h^2  = 160

 

h = sqrt(160)

 

   = sqrt(16 * 10)

 

    = sqrt(16)* sqrt(10)

 

    = 4*sqrt(10) <--- exact answer

 

    = 4 * 3.16227766016838....

 

     = 12.64911....

 

    12.65 <--- rounded to 2 digits as directed

 

----------------------------------------------

Option #2: using trig

 

With respect to the angle formed by the bottom of the

ladder with the ground

  cos T = 6/14 = 3/7  

 T = inverse-cosine(3/7) = 64.623006647 degrees

 

 sin(64.623006647) = h/14

 

 h = 14*sin(64.62300647) = 12.6491106 <--- same answer                        

hope this helps

Step-by-step explanation:

5 0
2 years ago
37.025written. in word form
KengaRu [80]
37.025 = thirty-seven and twenty-five thousandths
7 0
3 years ago
Read 2 more answers
Pleasd help me solve
krok68 [10]

Step-by-step explanation:

y = 2x

if x = 1 y = 2(1) = 2

if x = 2 y = 2(2) =4

4 0
2 years ago
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