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2 years ago

-12x + 2 y = 8 -6x + y = -3

Mathematics

1 answer:

maxonik [38]2 years ago

8 0

Answer:

PEMDAS

Step-by-step explanation:

USE PEMDAS

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A ball is released from a height of 180 meters. In the first second, the ball drops 5 meters, in the second 15 meters, in the 3r

sergejj [24]

Answer:

a. 4

Step-by-step explanation:

4 0

3 years ago

What is the solution to the equation w+6=5w-10

docker41 [41]

Answer:

w = 4

Step-by-step explanation:

you would do this by re-arranging the equation

6 = 5w-10-w (move w to the other side)

6 = 4w-10 (because 5w-w = 4w)

6+10=4w (move 10 to the other side)

16 = 4w (add 6 and 10)

4 = w (divide both sides by 4)

6 0

3 years ago

Can someone help me, I don’t get this

dmitriy555 [2]

I'll break it down for you. Here are the main points:

-has 2 large servings

-made from 9 pints

-x represents how many pints

-y represents how many servings

Now that we know this we can find what each serving comes out to be for example:

$\frac{9}{2\\}$ =4.5 or 4 $\frac{1}{2}$

So for each serving it will come out to be 4.5 pints.

Now that we know this we can figure out the slope to find what the equation which is for example the slope for this equation would be rise over run for example:

$\frac{rise}{run}$ = $\frac{1}{4.5}$ = $\frac{2}{9}$ when simplified.

So our equation would be (also the answer) y= $\frac{2}{9}$ x

Hope this helps my dude ^^ If you have more questions go ahead and ask.

5 0

3 years ago

Can some one help me please

11111nata11111 [884]

Answer:

2x²√13

Step-by-step explanation:

Step 1: When there is multiplication under a square root sign (also called a radical sign), you can rewrite the expression as the product of two square roots, like this...

√(52x^4) can be rewritten as (√52)(√x^4)

Step 2: x^4 = x²x², so it's the same thing as saying (x²)², or "x-squared, squared". Taking the square root of it leaves just x-squared, so this simplifies to

(√52)x²

Step 3: When taking the square root of a number that is not a perfect square, you need to do a factor tree to see if you can break the number up into a product of perfect squares, or a perfect square multiplied by a prime number.

52 is an even number, so we an at least divide by 2.

52/2 is 26, so we have

(26)(2)

2 is a prime number, so we don't break that down any further.

26 is even so it is also divisible by 2,

26/2 is 13, so we have

(13)(2)(2)

which we can write as (13)(4) (groups pairs of numbers together)

(2)(2) is 4, which results in a perfect square, so we can rewrite √52 as

(√4)(√13), since √4 = 2, we simplify this expression to

2√13

So √(52x^4) breaks down to (√52)(√x^4), which further breaks down into

(2√13)(x²)

We simplify the expression to 2x²√13

3 0

3 years ago

Which ordered pair is a solution to the system of linear equations -4x+y=8 and x-5y=17 ?

Nastasia [14]

Answer:

(-3,-4)

Step-by-step explanation:

6 0

3 years ago