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Leno4ka [110]
3 years ago
7

2 (0815010)

Mathematics
1 answer:
Yuliya22 [10]3 years ago
7 0

Answer:

10

Step-by-step explanation:

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In a chemistry class, 12 L of a 12% alcohol solution must be mixed with a 20% solution to get a 14% solution. How many liters of
tigry1 [53]
Let x = liters 20% solution to be added
then

.12(12) + .20x = .14(12+x)
.12(12) + .20x = .14(12+x)
1.44 + .20x = 1.68 + .14x
.20x = .24 + .14x
.06x = .24
x = 4 liters


Hope this helped!!
3 0
3 years ago
Cans of regular soda have volumes with a mean of 13.3813.38 oz and a standard deviation of 0.110.11 oz. is it unusual for a can
dimulka [17.4K]
No 13.3813 + 0.1100 = 13.4913. (max. standard deviation)
13.4813 is less than max. standard deviation
8 0
3 years ago
Solve for Y MUST SHOW WORK<br> 2(Y+7) = 28
Verizon [17]
2y+14=28
-14=-14
—————-
2y=14
14/2=y
Y=7
3 0
3 years ago
Read 2 more answers
How many sides would there be in a convex polygon if the sum of all but one of its interior angles is $1070^{\circ}$
Gwar [14]

Convex Polygon:

A polygon is called a convex polygon when no line segments between the points, goes inside. The boundaries of the convex polygon do not go inside and all the vertices are pointed outside away from the center. The interior angles of a convex polygon are less than 180°.

Lets simplify the given problem,

If we try using 1070 degrees as the sum of the interior angles of a convex polygon, we get:

1070 =[n - 2] x 180, where n = number of sides

1070 =180n - 360180n =1070+360180n =1430n = 1430 / 180

n = 7.94 number of sides. Since this is not a whole number, will simply round it up to 8.

Hence the number of sides is 8

Learn more about Convex Polygon on:

https://brainly.ph/question/14274548

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5 0
2 years ago
Read 2 more answers
Find volume of a cone
never [62]

Answer:

volume = 261.79938779915 m3

Step-by-step explanation:

And rounded to nearest number is 261.8 mi3 or answer b.

7 0
3 years ago
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