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vodomira [7]
3 years ago
12

Help me please thankyou

Mathematics
1 answer:
GalinKa [24]3 years ago
4 0
Are you suppose to put it in mixed number form? If so then here are the answers to the last 4 you did answer:

#1  -   2 1/9   (2 Whole and 1 ninth)

#2  -  2 2/10 (2 Whole and 1 tenth)

#3  -  2 3/11 (2 Whole and 3 eleventh)

#4  -  3        (It's just 3 because 4 goes into 12, 3 times)
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-3x(x+8)+x+2(9-x-x^2) please show solving steps
Flauer [41]

Answer:

-5x^2 - 25x + 18

Step-by-step explanation:

-3x ( x + 8 ) + x + 2 ( 9 - x - x^2 )  ( original equation )

-3x^2 - 24x + x + 18 - 2x - 2x^2   ( distribute )

-3x^2 - 2x^2 - 24x + x - 2x + 18   ( order them based on the variables . )

( -3x^2 - 2x^2 ) (- 24x + x - 2x ) ( + 18 )    ( just separated them not a part of solving !! )

-5x^2 - 25x + 18    ( solved , and the answer :) )

Hope its helps !!!

4 0
3 years ago
Find the value of cos x° + sin yº ​
MA_775_DIABLO [31]

Answer:

1.84

Step-by-step explanation:

The given arc is a part of a unit circle centered at origin.

The x-coordinate on the unit circle represent the cosine value and y-coordinate on the unit circle represent sine value.

So, for angle equal to x°, the x coordinate represents cos (x)°.

So, cos x° = 0.86

Similarly, the y-coordinate of angle y represent \sin y°.

So, \sin y° = 0.98

Therefore, the value of cos (x)° + \sin y° = 0.86 + 0.98 = 1.84.

4 0
3 years ago
Sheila works 8.5 hours per day on Monday,Wednesday and Friday, and 6 hours per day on Tuesday and Thursday.she earns $356.25 per
Artist 52 [7]

Answer:

9.50/ per hour

Step-by-step explanation:

adding the 8.5 x 3 (M/W/F)

plus the 6 x 2 (T/TH)

= 37.5 hours

356.75 divided by 37.5 = 9.5

Hope this helps

6 0
3 years ago
What is 500 rounded to the nearest hundred
rosijanka [135]

Answer: 500

Step-by-step explanation:

The reason why it's 500 because it's already been rounded. 500 stays as 500 bc numbers 4 and below goes down to 0 when rounding. When rounding 0-4 with just the ones place it stays the same.

3 0
3 years ago
-4 1/2 ÷ (-2 2/3)<br><br> I need it as a mixed number in simplified form.
Leya [2.2K]
(-4 1/2) / (-2 2/3) =.....turn to improper fractions
(- 9/2) / (-8/3) =...when dividing fractions, flip what u r dividing by, then multiply

-9/2 * -3/8 =
27/16 =
1 11/16 <==

4 0
3 years ago
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