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laila [671]
3 years ago
9

What is 50 plus 30 divided by 4

Mathematics
2 answers:
cupoosta [38]3 years ago
8 0

Answer:

I believe that the correct answer is 57.5.

Step-by-step explanation:

If you do the problem straight up the answer will be 20, but if you use order of operations (or PEMDAS) the answer will be 57.5.

Aloiza [94]3 years ago
6 0

Answer: 57.5

Step-by-step explanation: The first thing you need to know about the order of operations is that multiplication and division come before addition and subtraction.

So in this problem, we are going to divide before we add.

Since 30 divided by 4 is 7.5, our next step will read 50 + 7.5 and 50 + 7.5 simplifies to 14.

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6. In right triangle ABC, mZC=3y-10,
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Answer:

scalene

Step-by-step explanation:

step 1

Find the value of y

we know that

The sum of the interior angles in a triangle must be equal to 180 degrees

In this problem

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substitute the given values

90\°+(y+40)\°+(3y-10)\°=180\°

Solve for y

4y+120=180

4y=180-120

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step 2

<em>Find the measure of angle B</em>

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substitute the value of y

m∠B=(15+40)=55°

step 3

<em>Find the measure of angle C</em>

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substitute the value of y

m∠C=(3(15)-10)=35°

The three interior angles are different

so

The three sides of the ABC triangle will also be different

therefore

The right triangle ABC is scalene

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