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Rus_ich [418]
3 years ago
13

A boy had 3 apples and gained one. How many apples does he have now? ​

Mathematics
1 answer:
Zigmanuir [339]3 years ago
4 0
Answer: 4



step by step explanation: 3+1=4
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Answer:

A.

Step-by-step explanation:

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Explanation is in the file

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Can anyone please help i am stuck on this question?
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Answer:

8/17

General Formulas and Concepts:

<u>Trigonometry</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

We are given a right triangle. We can use trig to find the ratio.

<u>Step 2: Identify</u>

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3 years ago
1/15 stores sell shoes there are 180 stores how mahy stores sell shoes
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James needs 70 liters of 50% antifreeze. He has 30% antifreeze and 80% antifreeze avail- able. How many liters of the 30% antifr
Goshia [24]

Answer:

(42,28)

Step-by-step explanation:

set up the problem by converting percentages to decimal

x+y=70

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solve for x, so minus y in order to get it x alone. equation should look like this: x=70-y

30(70-y)+80y=50(70-y+y)

solve the equation for y

y=28

plug the value of y into the equation x=70-y

x=70-28

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x=42

check the solution of (42,28)

42+28=70

30*42+80*28=50(42+28)

simplify the equations

70=70

3500=3500

the ordered pair is a solution

so James needs 42 liters of 30% antifreeze and 28 liters of 80% antifreeze.

(42,28)

message me on ig for math help: eduardo.gti

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4 years ago
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