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WINSTONCH [101]
3 years ago
7

Linda needs 20 gallons of juice that has 75%fruit juice. she has a mixture that has 80% fruit juice and another mixtures that ha

s 60% fruit juice. how much of each mixture should she use to get what she need?
Mathematics
1 answer:
suter [353]3 years ago
5 0
Linda should use ...
  15 gallons of 80% juice
  5 gallons of 60% juice

_____
Let g represent the number of gallons of 80% juice needed. Then (20-g) is the number of gallons of 60% juice Linda will use. The amount of juice in the mixture can be written as
  0.80g +0.60(20 -g) = 0.75×20
  0.20g = 20(0.75 -0.60) = 20×0.15
  g = 20×0.15/0.20 = 15
The amount of 80% juice needed is 15 gallons, so 5 gallons of 60% juice are needed.
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The walls of a room are representations of what basic element of geometry? A. point B. line C. plane D. ray
kkurt [141]

In geometry,

A point represents a point

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Two points define a ray if it extends on only one side of either of the points.

Three or more than three points define a plane.

Now as far as a wall is considered, it is a flat surface on which we can plot infinite points.

Hence the wall represents a plane.

Option C) is the right answer.


6 0
3 years ago
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Answer:

40

Step-by-step explanation:

1/2* 8 (4 + 6)  equation

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3 years ago
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For the equation 3x - 5y = -3, what is the value of y when x is 1?
JulsSmile [24]

Answer:

6/5

Step-by-step explanation:

Put 1 where x is and solve.

3·1 -5y = -3

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The value of y is 6/5 when x = 1.

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3 years ago
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Solve in simultaneou linear equation.
dangina [55]

Answer:

The bag costs 1500, while the umbrella cost 500

Step-by-step explanation:

Let the cost of the bag be b and the cost of the umbrella be u

Total cost is;

b + u = 2,000 •••••(i)

From the second part of the question;

b = 5u-1000 ••••••(ii)

Substitute ii into i

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u = 3000/6

u = 500

To get b, substitute the value of u into equation ii

b = 5(500)-1000

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5 0
2 years ago
if the income of A, B and C is in the ratio of 2:5:11 and the income of B is 291 more than A, then the income of C is?
Colt1911 [192]
The information in the question let’s us solve for A using a ratio:

A / (A + 291) = 2 / 5
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A = 194

Now we can use ratios again to solve for C:

11 / 2 = C / 194
2C = 2134
C = 1067
3 0
3 years ago
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