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allsm [11]
2 years ago
8

a scientist has two solutions which she is labeled solution a and solution b each contains salt she knows that solution a is 55%

salt solution b is 80% salt. she wants to obtain 80 oz of a mixture that is 70% salt how many ounces of each solution should she use​
Mathematics
1 answer:
son4ous [18]2 years ago
3 0

\color{pink} \rule{500pt}{100000000pt}

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What product have the same sign as ( -2 3/7 ) (-6/11) ?
motikmotik

Answer:

1. -7/8

2.-9/14

3. 9/14

4. 7/8

2. what is the product of -2/7 and -3/7?

1. -7/8

2.-6/49

3. 6/49

4. 7/8

How do the expressions 72÷ 9 and -72÷ (-9) compare when they are evaluated?

1. They have different values and are different signs.

2. They have different values but are the same sign.

3. They have the same value but are different signs.

4. They have the same value and the same sign.

Step-by-step explanation:

Multiplying fractions: multiply numerators and multiply denominators

1. 3/4 X -6/7 = -18/28 = -9/14

2. -2/7 X -3/7 = 6/49

3. 4 because 72/9 is 8.  -72/-9 is 8.  Two negatives makes a positive when multiplying and dividing.

7 0
3 years ago
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galben [10]

Answer:

12 is 52 i think. i am not sure about 11.

Step-by-step explanation:

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7 0
3 years ago
A cube-shaped package has a volume of 5832 cubic inches. What is the edge length of the package?
gregori [183]
A cube-shaped package has a volume of 5832 cubic inches. What is the edge length of the package?

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3 years ago
The total surface area of a cube is 600
schepotkina [342]

Answer:

10

Step-by-step explanation:

Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces.

600 / 6 = 100

10 x 10 = 100

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Answer:

<u>A = πR^2</u>

Step-by-step explanation:

<h3>Please refer to the attachment for explanation.</h3>

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3 years ago
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