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mariarad [96]
2 years ago
15

What is the perimeter of A ABC?

Mathematics
1 answer:
Advocard [28]2 years ago
7 0

Answer: 11.4

Step-by-step explanation:

Using the distance formula,

AC=\sqrt{(-3-1)^2 + (-1-2)^2}}=5\\\\AB=\sqrt{(-3-0)^2 +(-1-3)^2}=5\\\\BC=\sqrt{(1-0)^2 + (2-3)^2}=\sqrt{2} \approx 1.4\\\\\implies P \approx 5+5+1.4=\boxed{11.4}

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A health food store sells a mixture of raisins and roasted nuts.
murzikaleks [220]

Answer:

Raisins = 25 kg

Nuts = 15 kg

Step-by-step explanation:

Given that:

Kilograms of snack to be made = 40 kg

Price per kg would be $4.75kg.

Price of 40 kg would be = 4.75 * 40 = $190

Let,

x be the kilograms of raisins

y be the kilograms of nuts

According to given statement;

x+y=40        Eqn 1

4.00x+6.00y=190      Eqn 2

Multiplying Eqn 1 by 4

4(x+y=40)

4x+4y=160    Eqn 3

Subtracting Eqn 3 from Eqn 2

(4x+6y)-(4x+4y)=190-160

4x+6y-4x-4y=30

2y=30

Dividing both sides by 2

\frac{2y}{2}=\frac{30}{2}\\y=15

Putting y=15 in Eqn 1

x+15=40

x=40-15

x=25

Hence,

Raisins = 25 kg

Nuts = 15 kg

8 0
2 years ago
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What is a solution of the inequality shown below? -1 + x < -10​
MA_775_DIABLO [31]

let's solve :

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AfilCa [17]

Answer:

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Step-by-step explanation:

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Answer:

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Assuming that your question is multiple choice, the variables might be different.

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In this equation, the variable 'y' represents the total cost, while 'x' represents the number of months this service was in use.

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