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Bad White [126]
3 years ago
5

Given that x =4 and y= 1 over 2, find the value of 2x²- 3xy

Mathematics
2 answers:
jarptica [38.1K]3 years ago
7 0

Answer:

26

Step-by-step explanation:

Lubov Fominskaja [6]3 years ago
6 0

Step-by-step explanation:

given that x=4 and y=1/2

2*4*4 - 3*4*(1/2) = 32 - 6 = 26

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You buy a package of 12 pencils for $2.64 write this rate as a unit rate?
iogann1982 [59]
Unit rate means how much does it cost for 1 unit

2.64 for 12 pencils
find 1 pencil
divide both sides by 12
0.22 for 1 pencil

0.22 per pencil
3 0
3 years ago
How can I tell, when doing synthetic division, if the binomial is<br> a FACTOR of the dividend?
Alecsey [184]

If you get 0 as the last value in the bottom row, then the binomial is a factor of the dividend.

Let's say the binomial is of the form (x-k) and it multiplies with some other polynomial q(x) to get p(x), so,

p(x) = (x-k)*q(x)

If you plug in x = k, then,

p(k) = (k-k)*q(k)

p(k) = 0

The input x = k leads to the output y = 0. Therefore, if (x-k) is a factor of p(x), then x = k is a root of p(x).

It turns out that the last value in the bottom row of a synthetic division table is the remainder after long division. By the remainder theorem, p(k) = r where r is the remainder after dividing p(x) by (x-k). If r = 0, then (x-k) is a factor, p(k) = 0, and x = k is a root.

5 0
3 years ago
Rewrite the following expression without using absolute value. <br> |√2+3-4|
balandron [24]

Answer:

.14

Step-by-step explanation:

|√2 + 3 - 4|

|√2 - 1|

|1.14 - 1|

|.14|

.14

Tell me if I am wrong.

Can I get brainliest

5 0
3 years ago
What is the 8th term of the binomial expansion (x + y)10?
melisa1 [442]

Answer:

120x^3y^7

We can use the Pascal's triangle to solve this question.

This pascal's triangle is shown in the Image below. To build the triangle, begin with the number 1 at the top, then continue placing numbers below it in a triangular pattern. In this way, each number are the numbers directly above added together. So, the expression is :

(x+y)10

After you do the steps you be left with:

120x^3y^7

4 0
3 years ago
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Marta_Voda [28]

Answer:

its a bird its a plane its papa joe

7 0
3 years ago
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