3 years ago

Please please please please answer this correctly

Mathematics

2 answers:

tekilochka [14]3 years ago

5 0

Answer:

The orange graph

Step-by-step explanation:

The orange graph is going in increments of 100. Therefore, the numbers line up. Not only that, but since the blue graph has 200 per increment, it doesn't work. :)

Ede4ka [16]3 years ago

5 0

Answer:

60%

Step-by-step explanation:

60/100 *500= 300( the pink graph is correct )

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How many grams of a 15 percent alcohol solution should be mixed with 40 grams of a 30 percent solution to obtain a

Akimi4 [234]

The number of grams is 20 grams

Let x represent how many grams of a 15 percent alcohol solution

15%x+30%.40/x+40

=25%

0.15x+0.4.30=0.25 (x+40)

0.15x+12=0.25x+10

0.15x-0.25x=10+12

-0.1x=-2

x=-2/-0.1

x=20

Inconclusion The number of grams is 20 grams

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4 0

3 years ago

Please help with #2 I’m struggling and can someone please explain and give answer??!!!!

MatroZZZ [7]

Check the picture below.

8 0

2 years ago

14 times the difference of 8 and w

Lunna [17]

14(8-W)=0
(14*8)-(14*W)=0
112-14W=0
-112 -112
------------------- The answer is 8
-14W= -112
-14W/(-14)= -112/(-14)
W=8

5 0

3 years ago

"Rebecca walks 100 feet in a straight line. She then turns 20 degrees to her left and walks another 100 feet, and then turns 20

iragen [17]

Answer:

1,800 ft

Step-by-step explanation:

Rebecca will walk in the pattern of a regular polygon with 'n' sides and internal angles of 160 degrees (180 at a straight line - 20 degrees from each turn).

The equation that describes the internal angle of a regular polygon is:

$A = \frac{(n-2)*180}{n}$