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bagirrra123 [75]
3 years ago
5

Can u help me ok the first one plz

Mathematics
1 answer:
Rzqust [24]3 years ago
7 0
The answer is C. 1 because you after you subtract the numbers you get 5- -4 and that equals 1.
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Apply the distributive property to simplify the expression-4(5x +2)
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−20x − 8

Step-by-step explanation:

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Hannah read 8 books in 16 months. What was her rate of reading in books per month?
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Half a book each month!!! have a good day!
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What is the answer to 3x=-3x-6
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Four glasses of milk and 2 snack bars have a total of 72 carbohydrates​ (carbs), and 2 glasses of milk and 3 snack bars have a t
Travka [436]

One glass of milk has 11 carbs and one snack bar has 14 carbs.

Step-by-step explanation:

Let,

Glass of milk = x

Snack bar = y

According to given statement;

4x+2y=72   Eqn 1

2x+3y=64   Eqn 2

Multiplying Eqn 2 by 2

2(2x+3y=64)\\4x+6y=128\ \ \ Eqn\ 3

Subtracting Eqn 1 from Eqn 3

(4x+6y)-(4x+2y)=128-72\\4x+6y-4x-2y=56\\4y=56

Dividing both sides by 4

\frac{4y}{4}=\frac{56}{4}\\y=14

Putting y=14 in Eqn 1

4x+2(14)=72\\4x+28=72\\4x=72-28\\4x=44

Dividing both sides by 4

\frac{4x}{4}=\frac{44}{4}\\x=11

One glass of milk has 11 carbs and one snack bar has 14 carbs.

Keywords: linear equations, subtraction

Learn more about linear equations at:

  • brainly.com/question/5461619
  • brainly.com/question/5510873

#LearnwithBrainly

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3 years ago
at a community college a survey was taken to determine where students study on campus. Of the 270 students surveyed, it was dete
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Answer:

177

Step-by-step explanation:

Although it says that 82 studied in both, the question is aksing for ONLY at the library. It says that of the 270 surveyed, 177 study at the library.

This means that 65.56% of the students studied at the library primarely.

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2 years ago
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