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Flauer [41]
3 years ago
9

Write a two column proof for the following statement. “Given that 2( -x + 4) = 3 , prove that x = 5/2.

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
5 0
2(-X+4)=3. x= 5/2. PLUG IN X!

2(-5/2+4)=3. Distribute the 2

2× (-5/2) = -5

2×4=8

-5+8= 3


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Use synthetic division to find the remainder. When 3x^ 2 - 2x - 4 is divided by x - 3.
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ANSWER

a.)17

EXPLANATION

The given function is

3 {x}^{2} - 2x - 4

We want to find the remainnder when this function is divided by x-3 using synthetic division.

We write the coefficients of the given function and carry out the synthetic division as shown in the attachment.

The remainnder is 17.


The correct answer is A.

7 0
3 years ago
Please help me, I don't understand this XD
labwork [276]
The correct sentence is letter "B"

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A monopolist faces the following demand curve, marginal revenue curve, total cost curve and marginal cost curve for its product:
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The total profit that is earned is 4512.5

<h3>How to solve for the profit that is earned</h3>

100 - q = 0

q = 100

Maximization is where q = 0

MR = mc

100 - q = 5

such that q = 95

Price would be  100 -0.5(95)

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= 52.5

Profit earned would be

= 95*52.5 -5*95

= 4512.5

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7 0
2 years ago
The sum of two numbers is 20. One number is one less than twice the second number. What are the two numbers?
murzikaleks [220]

Answer: Hope this helps.

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Step-by-step explanation:

Number one is 13

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Well 7 x 2 = 14, 14-1 = 7, and 7+13 = 20 making the answers true.

I figured out this number by eliminating numbers, I started with 5, ended with 8 to make a range of the possible numbers. Since 5 was too low and 8 was too high I knew the number had to be either 6 or 7, so I did 7 and I got the answer.

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Diano4ka-milaya [45]

The property of each given rational number operation are respectively; Commutative Property; Closure Property; Associative Property; Closure Property; Distributive Property

<h3>What is the property of the rational number?</h3>

The main properties of rational numbers are:

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  • Associative Property.
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a) The property used here is commutative property which says that;

a + b = b + a.

This tallies with the operation used on the rational numbers.

b) The property used here is called Closure Property. This is because for two rational numbers say a and b, the results of addition, subtraction and multiplication operations gives a rational number.

c) The property used here is called associative property because it states that; a * (b * c) = (a * b) * c.

d) The property used here is called Closure Property. This is because for two rational numbers say a and b, the results of addition, subtraction and multiplication operations gives a rational number.

e)  The property used here is called distributive property because it states that; a * (b * c) = (ab * ac)

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