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DiKsa [7]
3 years ago
11

Witch operation should you do first when you simplify 85+ (25 x 5)?

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
7 0

Answer:

25X5

Step-by-step explanation:

If you follow the PEMDAS rule the first thing you must do is the equation inside the parenthesis.

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

OleMash [197]3 years ago
5 0

Answer:

Whatever is in the parenthesis.

Step-by-step explanation:

A good way to remember what operation you should do first in these kinds of problems is: PEMDAS.

Each letter in PEMDAS stands for a function in problems, and it gives the order that you should do them in.

P - Parenthesis

E - Exponents

M - Multiplication

D - Division

A - Addition

S - Subtraction

1. Parenthesis; always comes first.

2. Exponents; always comes second.

3. Multiplication/Division; it does NOT matter which one you do first out of these two.

4. Multiplication/Division; whatever you didn't do on #3

5. Addition/Subtraction; it does NOT matter which one you do first out of these two.

6.  Addition/Subtraction; whatever you didn't do on #5.

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Answer:

<h2>          512 m²</h2>

Step-by-step explanation:

The surface area is a sum of areas of four triangles with base of <em>8 m</em> and hight of <em>12 m</em> and areas of five squares with sides of <em>8 m.</em>

<em />

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3 years ago
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2 years ago
−4(6) + 10 <br> Evaluate the expression
alexgriva [62]

Answer:

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Step-by-step explanation:

(-4 x 6) +10

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7 0
3 years ago
The height h in feet of the ball t seconds after it is kicked can be modeled by the function h = -4t (4t - 11). How long is the
Vaselesa [24]

Answer:

t₁  = 2,75 sec

Step-by-step explanation:

The ball will get h maximum when  dh/dt ( its vertical component of the speed is equal to 0. At this moment the ball has flown half of the total flight time

Then

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h(t)  = - 16*t² + 44*t

Taking derivatives on both sides of the equation we get:

dh/dt  =  - 32*t  +  44

dh/dt  = 0     ⇒   -32*t  + 44 = 0

t  =  44/32     ⇒   t = 1,375 s

So twice this time

2*t   =  2 * 1.375

Total time t₁  = 2,75 sec

6 0
3 years ago
IMG_0859.HEIC PLEASE HELP!!!
amm1812

Answer:

The answer is nothing

Step-by-step explanation:

Because you didn't put a question you just said "IMG_0859.HEIC PLEASE HELP!!! "

7 0
3 years ago
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