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3 years ago

What is 9,254 rounded to the nearest hundred

Mathematics

2 answers:

Elina [12.6K]3 years ago

8 0

9300 hoped i help plz nark brainliest

Marina86 [1]3 years ago

5 0

Hi,

Answer: 9,300

<u>My work:</u> This problem can be easily achieved by look at 254 in 9,254 peferabaly at 54 because, If it is 50 and above it is rounded to the next hundredths; if below it goes to the previous hundredth place. So your answer here would be 9,300.

I Hope I helped!

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Does anyone know how to do thesubstitution method?

Angelina_Jolie [31]

Hi!

<h3>How do we use the substitution method?</h3>

To solve using the substitution method, we first want to isolate any of the variables from one of two equations, and then you take the value of that and plug it into the other equation.

<h3>Given:</h3><h3> $y=4x-10$ </h3>

$y=-3x+4$

Normally, our step one would be to pick a variable and isolate it, but it looks like we already have the y-value in both equations isolated! So our step one is already done!

Plug the isolated variable into the other equation.

We will use the value of y in the first one, and plug it into the second.

The value of y is "4x - 10", so we will change "y" in the second equation to "4x - 10", like so:

$4x-10=-3x+4$

<h3>Step Three:</h3>

Algebra!

You should be familiar with how to solve equations.

So:

$4x-10=-3x+4$

Add 10 to both sides:

$4x=-3x+14$

Add 3x to both sides:

$7x=14$

Divide both sides by 7:

$x=2$

Now, take the x value and plug it into one of the other equations and solve for y.

$y=4(2)-10$

$y=8-10$

$y=-2$

Therefore, our answer is (2, -2).

For a fantastic explanation of how to do the substitution method, see:

brainly.com/question/26094713

7 0

2 years ago

Find each f(c) using synthetic substitution. f(x) = –x7 + 4x6 – 4x5 – 6x4 – 3x3 – 6x2 – x – 2; c = –5

zmey [24]

Answer:

Step-by-step explanation:

<u>Synthetic Substitution</u>

It's a method to find the value of a polynomial for a given value of x. The polynomial we want to evaluate is

$f(x) = -x^7 + 4x^6 - 4x^5 - 6x^4 - 3x^3 - 6x^2 - x - 2$

at x=-5

We can, of course, just replace x for -5 and compute the powers, products and sums and subtractions, but we can use the synthetic substitution to avoid the powers, just by multiplying and adding or subtracting. The method requires us to use only the coefficients of the ordered and complete polynomial as shown:

-1 4 -4 -6 -3 -6 -1 -2

Now we set up an arrangement where we can place some operations

-1 4 -4 -6 -3 -6 -1 -2

-5

The second row and a new third row will be filled by computing values as explained below.

The first value of the third row is the very same first coefficient (-1)

-1 4 -4 -6 -3 -6 -1 -2

-5

-1

The second value of the second row is the -5 times the first value of the third row: (-5)(-1)=5

Next value of the third row is the sum of the values above of it: 4+5=9

-1 4 -4 -6 -3 -6 -1 -2

-5 5

-1 9

Now we proceed the same with next values to get the full arrangement or synthetic substitution

-1 4 -4 -6 -3 -6 -1 -2

-5 5 -45 245 -1195 5990 -29920 149605

-1 9 -49 239 -1198 5984 -29921 149603

The very last value of the third row is the required substitution

f(-5)=149603

The formatted table can be seen in the image below

5 0

4 years ago

Each cement block weighs 0.6 kilograms. How much do 10 blocks weigh in total?

LiRa [457]

Answer:

6 kilograms

- Hope this helps

5 0

3 years ago

Read 2 more answers

Who can help me with monday

andreev551 [17]

5(x-6) the answer is b

8 0

3 years ago

Read 2 more answers

If sin(a) = cos(2a), then what is the value of a?

Mariulka [41]

Answer:

-90 , 30

Step-by-step explanation:

sina = cos(2a)

= 1 - 2(sina)^2

2(sina)^2 + sina -- 1 = 0

( sina + 1 )( 2sina - 1 ) = 0

sina = -1 or sina = 1/2

=> a = -90 degrees or => a = 30 degrees

3 0

3 years ago