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GenaCL600 [577]

3 years ago

9

Pleasee help with these questions

1 answer:

maw [93]3 years ago

6 0

Answer:

6. 3.14 7. 172.03 8. 78.54 9. 380.13 10. 19.63 11.28.27

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A large random sample of American students in seventh grade showed that 20%20\% 20% 20, percent of them were reading below grade

WITCHER [35]

Answer:

The answer is A i must took the test

Step-by-step explanation:

7 0

3 years ago

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How many equal sections divide a directed line segment if it is to be partitioned with a 7:10 ratio?

Dafna11 [192]

The midpoint formula is x1+x2 over 2 and y1+y2 over 2. When you use it to find the midpoint of (0,-8) and (-4,10), you get (-2,1).

Slope formula is y2-y1 over x2-x1, which will give you -6.

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3 years ago

Three numbers are in the ratio 6:3:1, and the sum of these numbers is 420. If the first number is reduced by 50%, and the second

Naily [24]

$x:y:z\ \ \ \Leftrightarrow\ \ \ 6:3:1\\ \\ \frac{x}{z} =\frac{6}{1}\ \ \ \Rightarrow\ \ \ x=6z\ \ \ \ \ \ \ and\ \ \ \ \ \ \ \frac{y}{z} =\frac{3}{1}\ \ \ \Rightarrow\ \ \ y=3z\\ \\x+y+z=420\ \ \ \Rightarrow\ \ \ 6z+3z+z=420\ \ \ \ \Rightarrow\ \ \ \ 10z=420\ /:10\\ \\z=42\ \ \ \Rightarrow\ \ \ \ x=6\cdot42=252\ \ \ \ and\ \ \ \ y=3\cdot42=126\\ \\ \\a=x-50\%x=50\%x= \frac{1}{2} \cdot252=126=3\cdot42\\ \\b=y+42=126+42=168=4\cdot42\\ \\c=420-126-168=126=3\cdot42\\ \\a:b:c\ \ \ \Leftrightarrow\ \ \ 3:4:3$

7 0

3 years ago

Simplify the expression and write the result in standard form, a+bi.<br><br> 6 - 8i / -2

gregori [183]

Answer:

$\frac{6 - 8i}{ - 2} = \frac{6}{ - 2} - \frac{8i}{ - 2} (splitting \: denomenator) \\ = - 3 - - 4i \\ = - 3 + 4i \\ thank \: you$

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3 years ago

If f(x) = StartFraction x Over 2 EndFraction + 8, what is f(x) when x = 10?

nikdorinn [45]

Answer:

13

Step-by-step explanation:

test edge2020

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3 years ago

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