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3 years ago

8

Mathematics

1 answer:

ozzi3 years ago

3 0

The answer is A. 6 and 10

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Number one. Find the measure of ef. It will be in degrees. Correct answer will get brainliest.

Taya2010 [7]

EF will be the same as HG

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3 years ago

Find the solution for x if |6x+8|=32

JulsSmile [24]

Answer: 2, -20/3

Step-by-step explanation:

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3 years ago

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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

a) We can find line by using y =mx+b

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

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

PS. Please give brainliest answer this was a lot of working out

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3 years ago

Find the first four terms of the sequence represented by the expression.

Elodia [21]

Given:
3n + 5

n = 1 ; 3(1) + 5 = 3 + 5 = 8
n = 2 ; 3(2) + 5 = 6 + 5 = 11
n = 3 ; 3(3) + 5 = 9 + 5 = 14
n = 4 ; 3(4) + 5 = 12 + 5 = 17

The first four terms of the sequence are: 8, 11, 14, 17. Second option.

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3 years ago

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D Question 4 April took out a $600 loan from the bank. At the end of 5 years, she pays back the principal, plus $60 simple inter

abruzzese [7]

Answer:

1/5=.02=2% interest rate over 5 years

Step-by-step explanation:

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3 years ago