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My name is Ann [436]
3 years ago
15

Ellie needs 1/2 cup of milk to make blueberry muffins . She pours 1/2 cup of milk from a quart container of milk.how many cups o

f milk will be left in the container
Mathematics
1 answer:
Viktor [21]3 years ago
3 0

Answer:

3½ cups

Explanation:

There are four cups in a US quart. Four cups - ½ cup = 3½ cups.

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PLZ HELP QUIK PLZ HELP PLZ
aleksandrvk [35]

Answer:

(x,y) = (-2,7)

Step-by-step explanation:

7x+2y=0

9x+4y=10

y = -9x/4 + 5/2

7x+2 (-9x/4 + 5/2) = 0

5x/2 = -5

5x = -10

x = -2

use x and substitute to get y

y = -(9/4) (-2) +5/2 = 7

7 0
3 years ago
Alex has a bag of marbles. Each marble is red, blue, or yellow , and the ratio of the red to blue to yellow marbles is 6:10:15.
lesantik [10]

Answer:

There are 150 blue marbles in Alex's bag.

Step-by-step explanation:

Let x, y, z be the quantities of red, blue and yellow marbles, respectively. From statement we derive three rational equations for initial and final ratios:

Initial ratio

\frac{x}{y} = \frac{6}{10} (1)

\frac{y}{z} =  \frac{10}{15} (2)

Final ratio

\frac{x + 10}{z - 25} = \frac{1}{2} (3)

After some algebraic handling we get the following system of linear equations:

x - \frac{3}{5}\cdot y = 0 (1)

y - \frac{2}{3}\cdot z = 0 (2)

2\cdot (x + 10) = z - 25

2\cdot x +20 = z - 25

2\cdot x - z = -45 (3)

The solution of the system of linear equations is:

x = 90, y = 150, z = 225

There are 150 blue marbles in Alex's bag.

5 0
3 years ago
Rewrite 2 5/8 with a denominator of 24
gladu [14]

Answer:

63/24

Step-by-step explanation:

First you change the whole 2 to have a fraction of 48/24.

Next you have change 5/8 so its denominator has a 24. So you multiple the 8 by 3 to get 5/24. But then you have to multiply the 5 by 3 also so it is still the same fraction just bigger and you get 15/24. Now add the 15/24 with 48/24 to get 63/24.

Hope this helps!

3 0
3 years ago
399 round nearest hundred
andreev551 [17]
Since the 9 is greater than or equal to 5, we'll round our number up by adding 1 to the 3 in the hundreds place, making it a 4. And also by changing all digits to the right of this new 4 into zeros.

And our rounded number would be 400

3 0
4 years ago
Plss HELPP I neeed help on this question
Ganezh [65]

Answer: 180 degrees

Step-by-step explanation:

The measure of the arc of a semicircle is 180 degrees.

4 0
2 years ago
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