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Scorpion4ik [409]
3 years ago
15

if x degree, 2xdegree,3xdegree,4x degree,140 degree and 160 degree are the angles of a hexagon,find the sizes of unknown angles.

​
Mathematics
2 answers:
Jlenok [28]3 years ago
8 0

Answer:

hgjhghgjgjh

Step-by-step explanation:

trapecia [35]3 years ago
8 0

Answer:

42, 84, 126, 168

Step-by-step explanation:

Sum of internal angles= 4*180 = 720

x+2x+3x+4x+140+160= 720

10x= 720 - 300

10x= 420

x=42, 2x= 84, 3x= 126, 4x= 168

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How many digits are written when 1000 to the power of 2015 is expressed as a numeral?
PtichkaEL [24]

Answer: There are 6046 digits will be written on expansion upto 2015th power.

Step-by-step explanation:

Since we have given that

1000^{2015}

We have to find the number of digits ,

So,

1000^{2015}\\\\=(10^3)^{2015}\\\\=10^{6045}

Since we know that

10^n\text{ has n+1 number of digits }

so,

10^{6045}\text{ has 6046 number of digits }

Hence, there are 6046 digits will be written on expansion upto 2015th power.

6 0
3 years ago
Which of the following transformations will not always result in a congruent image?
Scorpion4ik [409]

Answer:

Step by step

A) Dilation

6 0
3 years ago
What is the value of y in the equation 5x+2y=20 when x=0.3
MakcuM [25]
5 multiplied by .3 is 1.5
1.5 + 18.5 = 20.
y = 9.25
3 0
3 years ago
2(x-3)^2+10=82 solve by isolating x
Leviafan [203]
We have the following equation:
 2 (x-3) ^ 2 + 10 = 82
 We must clear x.
 We pass the constant terms to one side of the equation:
 2 (x-3) ^ 2 = 82 - 10
 2 (x-3) ^ 2 = 72
 (x-3) ^ 2 = 72/2
 (x-3) ^ 2 = 36
 Square root to both members:
 x-3 = +/- root (36)
 x-3 = +/- 6
 The solutions are:
 x1 = 6 + 3 = 9
 x2 = -6 + 3 = -3
 Answer:
 
x1 = 9
 
x2 = -3
7 0
3 years ago
what is is 7 *10+ 7 i need to now please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-Dominant- [34]

7*10= 70+7=77

so ur answer is 77

3 0
3 years ago
Read 2 more answers
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