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3 years ago

Linda sells her bracket for $6 And her necklace for $10 what is the expression or equation

Mathematics

1 answer:

rosijanka [135]3 years ago

4 0

The equation is $6x+10y$

Step-by-step explanation:

The bracket is denoted by the variable x.

The necklace is denoted by the variable y.

From given, Linda sells her bracket for $6.

Thus, the expression for bracket is $6x$ .

Also, Linda sells her necklace for $10.

Thus, the expression for necklace is $10y$ .

The equation for Linda sells her bracket and necklace is $6x+10y$

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Total possibilities would be:

(1,1)(1,2)(1,3)(1,4)(1,5)(1,6)
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(3,1)(3,2)(3,3)(3,4)(3,5)(3,6)
(4,1)(4,2)(4,3)(4,4)(4,5)(4,6)
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You want 5 on at-least one, so mark 5th column & 5th raw.
There are 6 in both lines with 1 common = (5,5)

In short, Your Answer would be 11

Hope this helps!

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3 years ago

Xander rolls two 6-sided number cubes. What is the theoretical probability of rolling an even number on the first cube and a num

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Step-by-step explanation:

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3 years ago

Show that (x-5) is a factor of x^3-3x^2-13x+15

mario62 [17]

Answer:

sorry not in that grade

Step-by-step explanation:

6 0

4 years ago

Need HELP PLS PIC ATTACHED

Vera_Pavlovna [14]

Answer:

$4x^{2}$ -13x+10

Step-by-step explanation:

(4x+5)(x-2)

Multiply each term in the first parenthesis by each term in the second (foil)

Step 1: Expand it by writing out each multiplication. I added a picture showing which order to do it. (go in order of green, red, blue, yellow.) (you can remember this as first, outside, inside, last.)

When you expand it'll look like: 4x⋅x+4x⋅-2-5x-5⋅-2

Step 2: Calculate product

4x⋅x+4x⋅-2-5x-5⋅-2 (for the 4x⋅x it would be written like $4x^{2}$ )

$4x^{2}$ +4x⋅-2-5x-5⋅-2

$4x^{2}$ +4x⋅-2-5x-5⋅-2 (4x⋅-2 becomes -8x) (multiply 4x times -2)

$4x^{2}$ -8x-5x-5⋅-2

$4x^{2}$ -8x-5x-5⋅-2 (-5⋅-2 becomes +10) (multiply -5 times -2)

$4x^{2}$ -8x-5x+10

Step 3: collect like terms

$4x^{2}$ -8x-5x+10 (-8x-5x becomes -13x) (-8x times -5x)

$4x^{2}$ -13x+10 is the most simplified so it should be your final answer

4 0

1 year ago