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Readme [11.4K]
4 years ago
9

Compare the values 0.25 and 2/9 using < >, or = MAKE SURE TO SHOW WORK!!

Mathematics
1 answer:
kodGreya [7K]4 years ago
5 0

Answer:

0.25 > 2/9

Step-by-step explanation:

When you change 2/9 into a decimal, you get 0.22222222...

Therefor, 0.25 is greater than 2/9

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Write standard form of line that is parallel to 2x + 3y= 4 and passes through the point (1, -4)
Tresset [83]

Answer:

2x + 3y = -10

Step-by-step explanation:

First convert the line into slope intercept form to find the slope of the line.

2x + 3y = 4

3y = 4 - 2x

y = -2/3x + 4/3

The slope of the line is -2/3. Parallel lines have the same slope so the slope for a line through the point (1,-4) will be -2/3. Substitute m = -2/3 and (1,-4) into the point slope of a line.

y --4 = -\frac{2}{3}(x-1)\\y + 4 = -\frac{2}{3}(x -1)

Now convert the line into standard form by using the distributive property.

y + 4 = -\frac{2}{3}(x -1)\\y + 4 = -\frac{2}{3}x + \frac{2}{3}\\3y + 12 = -2x + 2\\2x + 3y + 12 = 2\\2x + 3y = -10

4 0
4 years ago
Simplify 4z2 + z2 + 6a
Ne4ueva [31]

Answer:

5z^2+6a is the answer I think

3 0
3 years ago
Find the average rate of change of f ( x ) = 9 x 2 − 7 on the interval [ 2 , a ] . Your answer will be an expression involving a
aleksandrvk [35]

Answer:

9a + 18

Step-by-step explanation:

so the first step is to evaluate the value of f(2).

f(2) = 9(2)^2-7\\f(2)=9(4)-7\\f(2)=36-7\\f(2)=29

Now that we have this value we can use the slope formula (y2 - y1) / (x2 - x1) where y2 is f(a), y1 is 29, x2 is a, and x1 is 2

\frac{f(a)-29}{a-2}\\\\\frac{(9a^2-7)-29}{a-2}\\\frac{9a^2-36}{a-2}

Now from here we can use long division to simplify it further

9a^2/a = 9a\\9a(a-2)=9a^2-18a\\(9a^2-36)-(9a^2-18a)\\18a-36\\\\18a/a=18\\18(a-2)=18a-36\\(18a-36)-(18a-36)\\0\\\\9a+18

8 0
2 years ago
Simplify -4|-5| - [2(-17)]
anastassius [24]

Answer:

The answer would be 14.

Step-by-step explanation:

You need to SIMPLIFY. Make sure that you are solving the part of the problem that has parentheses then you can move on from there.

(Hope this helps!)

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3 years ago
The number s is called a of a number be if finding a square root is the opposite of squaring a number
zzz [600]

Answer:

look that up on goggle in you will find your answer

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3 years ago
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