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3 years ago

What is 10/2+3 + 6+3/3 simplified in order of operations?

1 answer:

5 0

Order of operations or PEMDAS is as follows: parenthesis, Exponents, Multiplication and division, addition and subtraction.

So for this equation you have to do the devision first because their is not parenthasis or exponents. So you end up with the equation

5+3+6+1

then you just add all the numbers together to get your final answer of 15

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Choose the graph of the equation y = 2.5x

Kruka [31]

Answer:

Step-by-step explanation:

The answer is A

4 0

3 years ago

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How do you calculate this?

Dmitry_Shevchenko [17]

$d = 5.6t {}^{2} \\ 1814.4 = 5.6 \times t {}^{2} \\ t {}^{2} = 1814.4 \div 5.6 \\ t {}^{2} = 324 \\ t = \sqrt{324} \\ t = 18$

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I don't know how to do this yet lol.

Olegator [25]

Answer:

Step-by-step explanation:

try to do the quadractic formula. i forgot how to do this

8 0

3 years ago

A powdered drink mix calls for a ratio of powder to water of 1:8. If there are 32 cups of powder, how many total cups of water a

irina [24]

1:8=32:?
32x8 is 256
<span>256 cups of water

</span>

3 0

3 years ago

2) A girl starts from a point A and walks 285m to B on a bearing of 078°. She then walks due south to a point C which is 307m fr

adelina 88 [10]

Answer:

bearing of A from C is - 65.24°

the distance |BC| is 187.84 m

Step-by-step explanation:

given data

girl walks AB = 285 m (side c)

bearing angle B = 78°

girl walks AC = 307 m (side a)

solution

we use here the Cosine Law for getting side b that is

ac² = ab² + bc² - 2 × ab × cos(B) ...............1

307² = 285² + x² - 2 × 285 cos(78)

x = 187.84 m

and

now we get here angle θ , the bearing from A to C get by law of sines

sin (θ) = $\frac{187.84}{307} \times sin(78)$

sin (θ) = 0.5985

θ = 36.76°

and as we get here angle BAC that is

angle BCA = 180 - ( 36.76° + 78° )

angle BCA = 65.24°

and here negative bearing of A from C so - 65.24°

7 0

3 years ago