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Afina-wow [57]
3 years ago
7

Solve for x in the diagram in the pic.

Mathematics
1 answer:
Leokris [45]3 years ago
7 0

Answer:

12

Step-by-step explanation:

3x + x + 42 = 90 ........ 4x = 48 ......x = 12

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devlian [24]

Answer:

Step-by-step explanation:

the sum of the angles is 360 degrees

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91*3=273

360-273=87

87/3=29

the angle g, or d, is 29

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3 years ago
What is the experimental probability of rolling an odd number on a standard number cube? For 50 rolls of the number cube, predic
mash [69]

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5050

Step-by-step explanation:

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6 0
4 years ago
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olya-2409 [2.1K]
A. 5 invitations
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8 0
4 years ago
I need help plz:((((((((((
pashok25 [27]

Answer:

a) y=\frac{28}{75}(x-1900)+47.3

b) 86.5 years

Step-by-step explanation:

All values are rounded to 2 decimal places

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y=mx+b\\m=\frac{y^{2}-y^{1} }{x^{2}-x^{1}}\\m=\frac{69.7-47.3}{1960-1900} \\m=\frac{22.4}{60} \\m=\frac{28}{75}\\c=y-intercept\\y-intercept=47.3\\y=\frac{28}{75} (x-1900)+47.3

Therefore the line of best fit is y=\frac{28}{75}(x-1900)+47.3\\

b) We can do this by using the formula of the best fit line to estimate the life expectancy of someone born in 2005

y=\frac{28}{75}(x-1900)+47.3\\y=\frac{28}{75}(2005-1900)+47.3\\y=\frac{28}{75}\times105+47.3\\y=86.5

Therefore the estimated life expectancy of someone born in 2005 is 86.5 years

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3 0
3 years ago
Which one of these shapes will tessellate? <br> Please leave the letter below
Katyanochek1 [597]

Answer:

Option D

Step-by-step explanation:

Out of all given options, Option D (the parallelogram) will tessellate the easiest.

Option B's shape (the Trapezoid) is also possible. However, it would take a little more work for it to tessellate. The trapezoid provided would not tessellate alone.

Option A and Option C's shape wouldn't tessellate because it would leave a gap.  To add, Option C's shape is nearly impossible to tessellate.

4 0
3 years ago
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