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IRISSAK [1]
3 years ago
10

Answer these 2 questions please

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
7 0
\cfrac{5.0*10^8}{2.0*10^4} =2.5*10^{8-4}=2.5*10^4 \\  \\  \\  \\ (2.35*10^5)(5.92*10^7)=13.912*10^{12}=1.3912*10^{13}
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A regular polygon has an exterior angle of 7.5 what is the sum of the interior angle
AVprozaik [17]

Answer:

540

Step-by-step explanation:

8 0
3 years ago
Am I correct? ( top question)
EastWind [94]

Answer:

72

Step-by-step explanation:

<1 and <2 are not equal to each other

Let the angle  directly above angle 2 (on the right side of the line) be angle 3

<1 and <3 are corresponding angle, which means they are equal

<2 and <3 are supplementary angles since the form a line

<2 + <3 = 180

We know <1 = <3

<1 + <3 = 180

We are given <1 = 2x+12  and <2 = 3x+18

2x+12 + 3x+18 = 180

Combine like terms

5x+30 = 180

Subtract 30 from each side

5x+30-30 = 180-30

5x= 150

Divide each side by 5

5x/5 = 150/5

x=30

<1 = 2x+12

Substitute 30 in for x to find angle 1

   = 2*30 +12

   =60+12

  = 72

6 0
3 years ago
Pleaseeeeeeeeeee helpppppppppppp and show your work plzzz
Digiron [165]
Im probably wrong but i think you would do -4 - 7 + 3 = -8
3 0
3 years ago
Read 2 more answers
What is the equation for a line that passes through the points (5,-3) and (-10,12)?
LekaFEV [45]

Answer: y = -x + 2

Step-by-step explanation:

When x=0, y = 2

When y=0, x = 2

Hope this helps!

5 0
3 years ago
Read 2 more answers
N - 4 = 3n + 6<br> Plz help me if possible no pics
levacccp [35]

Answer:

n=−5

Step-by-step explanation:

n−4−3n=3n+6−3n

−2n−4=6

Step 2: Add 4 to both sides.

−2n−4+4=6+4

−2n=10

Step 3: Divide both sides by -2.

−2n /−2 =  10 /−2

n=−5

4 0
3 years ago
Read 2 more answers
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