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Pachacha [2.7K]
4 years ago
9

Which expression is equivalent to 4.8+2.2w−1.4w+2.4 ?

Mathematics
1 answer:
ASHA 777 [7]4 years ago
6 0

Answer:

7.2+0.8w

Step-by-step explanation:

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Which property of equality justifies the statement if y+7=9, then y=2?
Hatshy [7]
You minus 7 on both sides and you are left with y=2 because 7-9 = 2
7 0
4 years ago
As a cold front passed through an area, the temperature changed by an average of −4°F°
elixir [45]

Answer:

-20°F

Step-by-step explanation:

8 0
3 years ago
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What is the %_ee of a sample of carvone that exhibits an observed rotation of -20, given that the specific rotation of (R)-carvo
ELEN [110]

Answer: 44

Step-by-step explanation:

44

4 0
3 years ago
in one day annie traveled 5 times the sum of the number of hours brian traveled and 2. together they traveled 20 hours. find the
8090 [49]
<span>Let  Ah be Annie's hour of travel in 1 day and Bh be Brian's hour

to get Brian's hour of travel:
Ah + Bh  = 20

5 (Bh +2 ) + Bh= 20
5 Bh + 10 + Bh=20
6 Bh = 20 - 10
<u>6Bh</u> = <u>10</u>
6          6</span>
Bh =1.66  

To get Ah of travel 1 day
Ah = 5 (Bh + 2)
 <span>    = 5 (1.66 + 2) </span> <span>
     = 5 ( 3.66 )</span>
 Ah = 18.30  

Checking: Ah + Bh =20  <span>

18.30 + 1.66 = 20
</span><span>19.96 = 20</span>  <span>
20 = 20</span>
(19.96 is rounded off)



6 0
4 years ago
Guys I am going to run out of points. Help with 19?<br> I don't need an explanation.
nasty-shy [4]

Answer:

A.) 20x + 2y = 500

B.) y-intercept = 250; its meaning is how many boxes of pencils they started with.

C.) x-intercept = 25; How many T-shirts they can sell at most

Step-by-step explanation:

2y - 500 = -20x

20x + 2y - 500 = 0

20x + 2y = 500

y-intercept = 250; its meaning is how many boxes of pencils they started with.

20x + 2y = 500

20(0) + 2y = 500

2y = 500

2y/2 = 500/2

y = 250

x-intercept = 25; How many T-shirts they can sell at most

20x + 2y = 500

20x + 2(0) = 500

20x = 500

20x/20 = 500/20

x = 25

4 0
3 years ago
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