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Juli2301 [7.4K]
3 years ago
11

Henlo :D I need a friend :3

Mathematics
2 answers:
storchak [24]3 years ago
6 0

Answer:

hello , how are you? no problem we can be friends

Mademuasel [1]3 years ago
4 0

Answer:

i can be your friend

Step-by-step explanation:

do you have discord

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Simplify the expression: 3(4d + 1) <br>​
Alexeev081 [22]

Answer:

12d+3

Step-by-step explanation: multiply 3x4d and 3x1 and you get 12d+3

3 0
3 years ago
Read 2 more answers
A scientist needs 10 L of a solution that is 60% acid. She has a 50% acid solution and a 90% acid solution she can mix together
dybincka [34]

Allegation is a method to find the ratio in which two or more indignant are mixed to produce a mixture or solution.

The equation represents the total liters of acid that are needed is,

0.5x+0.9y=6

Thus the option 3 is the correct option.

<h3>What is allegation?</h3>

Allegation is a method to find the ratio in which two or more indignant are mixed to produce a mixture or solution.

Given information-

A scientist needs 10 L of a solution that is 60% acid.

The percentage of two acid solution are 50% and 90%.

Variable<em> x</em><em> </em>represent the number of liters of the 50% solution.

Variable<em> y </em>represent the number of liters of the 90% solution.

Quantity of acid from 50% solution is 0.5x liters, and quantity of acid from 90% solution is 0.9x liters.

As the scientist needs 10 L of a solution that is 60% acid. Therefore the quantity of acid in 60 percent acid solution is,

a=10\times\dfrac{60}{100} \\a=6

Thus 6 liters of acid required by the scientist. As to get the 6 liters of acid from 50% and 90 percent solution, we need to add the amount of acid in these solutions.Thus,

0.5x+0.9y=6

This is the required equation.

Hence the equation represents the total liters of acid that are needed is,

0.5x+0.9y=6

Thus the option 3 is the correct option.

Learn more about the mixture and allegation  here;

brainly.com/question/24372098

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2 years ago
Definition of a line segment?
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Part of a line but has 2 end point, extends in no direction. example:  @[email protected]
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There are 10 squares and 8 circles. What is the simplest ratio of circles to total<br> shapes?
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Step-by-step explanation:

can say there are 3 square to 4 circles or the ratio of squares to circles is 3:4 ... This means that in our ratio of 6:9 we can divide both numbers by 3 and the ratio ... Initially the ranger catches and tags 50 out of the whole population of deer. ... 10. 30 x = 150. 8. In a class the ratio of boys to girls is 3:5. If there are 32 kids in the ...

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Solve the equations<br>Y=2x-4, 3x+y=1​
liberstina [14]

Step-by-step explanation:

y = 2x - 4

3x + y = 1

y = 1 - 3x

Equating,

2x - 4 = 1 - 3x

2x + 3x =  1 + 4

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Placing it,

y = 1 - 3(  1)

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