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stepladder [879]
3 years ago
12

If you dissolve 50g of sugar in 30g of water (is it possible!) what would be the sugar concentration?

Mathematics
1 answer:
SOVA2 [1]3 years ago
3 0
100 percent more of concentraion
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Choose the correct graph to fit the equation. 4x - 3y = -1
VladimirAG [237]
For this case we have the following equation:
 4x - 3y = -1

 We can rewrite the equation in the standard form of the line:
 y = mx + b

 Rewriting we have:
 3y = 4x + 1

 Clearing y we have:
 y = (4/3) x + 1/3

 We observe that we have a line with slope 4/3 and with a cut point with the axis y equal to 1/3
 Answer:
 
See attached image

8 0
3 years ago
Since BC is parallel to DE, triangles ABC and ADE are similar. What are the lengths of the unknown sides?
Yuri [45]

Answer:

Option D. AC= 10 cm and CE= 5 cm

Step-by-step explanation:

From the given figure two triangles ΔABC and ΔADE are similar and two lines BC║DE.

From these similar triangles we know

\frac{AB}{AD}=\frac{BC}{DE}=\frac{AC}{AE}

\frac{8}{12}=\frac{BC}{9}=\frac{AC}{AE}

Therefore \frac{AC}{AE}=\frac{8}{12}=\frac{2}{3}

Or AC=\frac{2}{3}AE

Now from pythagoras theorem

AE = √(AD²+ED²) = √(12²+9²) = √(144+81) =√225 = 15 cm

Since we know side AC = \frac{2}{3}AE

                                        = \frac{2}{3}\times 15

                                        = 10 cm

Therefore AC = 10 cm and AE = 15cm and CE = (15-10) = 5 cm


8 0
3 years ago
What is 8/9 of 3/8?<br> A. 11/72<br> B. 2/7<br> C. 1/3<br> D. 3/7
Sedaia [141]
If you are talking about Multiplying them together then it’s 1/3 because you go 8x3
And 9x8 which makes 24/72 simply and then you get 1/3
3 0
2 years ago
Read 2 more answers
I need please help. thank you
Travka [436]

15. She bought:

3 jeans, $20 each

1 pants, $18

You find the total: 3(20) + 1(18) = $78 then you apply the discount

Since this is between 50-100, you use the 38% discount (decimal form: 0.38)

38% is being subtracted from your total, so you can do this:

100% - 38% = 62%      This is your total after the discount

78(0.62) = 48.36   Your answer is C

16. D   Income is the $ you make from your job

17. A    Budgeting helps you organize and limit your spending and meet financial goals

18. C    Liabilities impacts you negatively, since you have debts to pay off

19. A    

7 0
3 years ago
a card is drawn at random from a standard 52 card deck has a 1/13 chance of being at 8. What is the probability of the car not b
Free_Kalibri [48]

Answer:

12/13

Step-by-step explanation:

There are 52 cards in the deck

4 are aces

That leaves 52-4  or 48 that are not aces

P(not an aces) = cards that are not aces / total

                        = 48/52

                       =12/13

5 0
2 years ago
Read 2 more answers
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