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RideAnS [48]
2 years ago
7

Can anyone heelp me plzzzz

Mathematics
1 answer:
Elden [556K]2 years ago
5 0

Answer:

1

Step-by-step explanation:

1 because we need to round down

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A chemist wants to mix a 66% alcohol solution with eight liters of 54% alcohol solution to produce a solution that is 65% alcoho
Rzqust [24]

Answer:

We have 8 liters of 54% alcohol.

We will add "x" liters of 66% alcohol to make "8 +x" liters of 65% alcohol.

54 * 8 + 66 x =   65 (8 + x)

432 + 66x = 520 + 65x

x = 88 liters

Step-by-step explanation:

3 0
3 years ago
Ms. Keller's recipe uses 5 cups of milk to make 12 smoothies, How many cups of milk will be used to make 18 smoothies?
vladimir1956 [14]

Answer:

Number of milk cup need for 18 smoothies = 7.5 cup

Step-by-step explanation:

Given:

12 smoothies need number of milk cup = 5

Find:

Number of milk cup need for 18 smoothies

Computation:

Number of milk cup need for 18 smoothies = 18 [5/12]

Number of milk cup need for 18 smoothies = 7.5 cup

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2 years ago
How do you find volume of a circle
Sauron [17]

Answer:

V = 4/3 pi r^3  for a sphere

Step-by-step explanation:

You can't a circle is a two dimensional object.

The volume of a sphere, which is the three dimensional form of a circle is found by

V = 4/3 pi r^3

Where r is the radius

5 0
3 years ago
Justin surveyed 280 of the students in his school about their favorite color. 98
Mamont248 [21]

Answer:

\frac{98}{280}  \times  \frac{100}{1}

0.35 \times 100 \\  = 35\%

8 0
3 years ago
Solve. State the Inverse operation you used. 1. k X 4 = 96 | 2. b = 12 = 12 | 3. 9X n = 5.4 | 4. y X 16 = 48 | 6. 3.9 x m= 19.5
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