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TEA [102]
3 years ago
9

200m-100m+48,750=51,000-150m

Mathematics
1 answer:
lakkis [162]3 years ago
8 0

Answer:

M=9

Step-by-step explanation:

Combine the like terms and wallah you solved it

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In the equation 4+c=18, the value of c will be less than 18 true or false?
Dominik [7]

Answer:

true

Step-by-step explanation:

because when we subtract 18 and 4, the answer is 12. Hence, the value is less than 18

5 0
3 years ago
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

8 0
2 years ago
HELP ME ASAPP<br><br><br> I have to turn it it in 7 minutes so plssss help me!!
lora16 [44]

Answer:

1/6

Step-by-step explanation:

Its a 1/6 chance it lands on the one u want

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I can help you understand this, however there is nothing but 'M'


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A crew of highway workers paved 1/5 mile in 1/8
Dmitry_Shevchenko [17]

Answer: 2/5 Step-by-step explanation: The easiest approach is to realize that one hour is 3 times longer than 20 minutes. The longer the time, the more they will pave.  

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