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RoseWind [281]
3 years ago
8

Jamal bought 4 pounds of blueberries for $12. Which of the following proportions could be used to help him figure out how much 2

pounds would cost?
Mathematics
1 answer:
faltersainse [42]3 years ago
4 0

Answer:

\$6

Step-by-step explanation:

we know that

Using proportion

\frac{12}{4}\frac{dollars}{pounds} =\frac{x}{2}\frac{dollars}{pounds}\\ \\ x=12*2/4\\ \\x=\$6

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If I add 35 mL of water to 225 mL of a 0.45 M NaOH solution, what will the molarity of the diluted solution be?
nata0808 [166]

Answer:

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3 0
3 years ago
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Harry is organizing a picnic. He can spend at most $24.00 on beverages. Iced tea costs $2.00 per gallon and lemonade costs $2.50
Arada [10]

Answer:

$10

Step-by-step explanation:

x + 5y = $24

x + 5($2.50) = $24

x + $12.50 = $24

x = $24 - $12.50

x = $11.50/2

x = 5

Thus, Harry bought 5 gallons of iced tea which cost him $10.

3 0
3 years ago
Each year farmer records the number of pumpkins he sold for 5 weeks. The mean is 782 and the mean absolute deviation is 52. List
BARSIC [14]

Answer:

When we have a mean M and a standard deviation S, the values that are within the mean absolute deviation are all the values in the interval:

[M -S, M + S]

In this case, we have:

M = 782

S = 52

Then the interval is:

[782 - 52, 782 + 52]

[730, 834]

Then any number between 730 and 834 are possible answers to this question, for example, we can choose:

789 and 801

6 0
3 years ago
Give an example of parallel lines in the real world. Then describe how you could prove that the lines are parallel.
zhuklara [117]
The sides of a TV.

since left and right (sides) goes up and down


---------------
| T.V | <-- SIDES R THE SAME VERTICAL
| °°° | LINE <UP AND DOWN>
---------------
4 0
3 years ago
Evaluate 5+x-5*8 for x = 7
Sladkaya [172]

Answer:

- 28

Step-by-step explanation:

Plug in 7 for x

5 + 7 - 5 x 8

5 + 7 - 40

12 - 40

-28

8 0
3 years ago
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