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Cloud [144]
4 years ago
13

Expand and simplify (2x-1)(x-3)

Mathematics
1 answer:
vitfil [10]4 years ago
8 0

Answer:

Expand the polynomial using the FOIL method.

2 x 2 − 7 x + 3

Step-by-step explanation:

A technique for distributing two binomials. The letters FOIL stand for First, Outer, Inner, Last. First means multiply the terms which occur first in each binomial, Outer means multiply the outermost terms in the product, Inner means multiply the innermost terms, and Last means multiply the terms which occur last in each binomial.

An algebraic expression consisting of one or more summed terms, each term consisting of a constant multiplier and one or more variables raised to integral powers.

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Look at pic please. :)
Vesna [10]

Answer:

$0.40 per minute

Step-by-step explanation:

You divide 6.40 by 16 to get 0.40.

To fact check this, I multiplied 0.40 by 16 and got 6.40.

5 0
3 years ago
Why is 3÷0.5 is 6, why is it?​
Alekssandra [29.7K]

Answer:

Step-by-step explanation:

A quick way to divide by 0.5 or ½ is to double the number (or multiply number by 2). The reason for this is that two halves go into a whole.

3 0
3 years ago
If K = (AB)/(A+B) , then B = ?
marysya [2.9K]

Lets do

\\ \sf\longmapsto K=\dfrac{AB}{A+B}

\\ \sf\longmapsto \dfrac{1}{K}=\dfrac{A+B}{AB}

\\ \sf\longmapsto \dfrac{1}{K}=\dfrac{1}{A}+\dfrac{1}{B}

\\ \sf\longmapsto \dfrac{1}{B}=\dfrac{1}{K}-\dfrac{1}{A}

\\ \sf\longmapsto \dfrac{1}{B}=\dfrac{K-A}{AK}

\\ \sf\longmapsto B=\dfrac{AK}{K-A}

6 0
3 years ago
Given h of x equals 2 times the square root x minus 5 end root, which of the following statements describes h(x)?
zaharov [31]

The option that describes h(x) is B. The function h(x) is increasing on the interval (5, ∞).

<h3>What is a function?</h3>

In mathematics, a function simply means a relation between the inputs and the outputs.

In this case, the information given is that h(x) is 2 times the square root x minus 5. The square root of the negative number cannot be taken, therefore, the domain of the function is restricted.

Since the domain is restricted, the function is increasing. Therefore, the function h(x) is increasing on the interval (5, ∞).

Learn more about functions on:

brainly.com/question/2833285

#SPJ1

7 0
2 years ago
What is the value of X in the figure <br><br> X= __
kykrilka [37]

Answer:

34 degress

Step-by-step explanation:

34+56=90

we know that the whole angle is 90 degress because its sign is given.

8 0
3 years ago
Read 2 more answers
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