2 years ago

Record the product 8x43 using expanded form to help

Mathematics

1 answer:

ozzi2 years ago

3 0

40×8=320[ 8×3=24 ]320+24=344

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It is estimated that there are approximately 1 × 1014 cells in the human body. Which of the following represents this amount in

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2 years ago

Selina didn't use the distributive property correctly. Where did she go wrong? Explain your thinking.

GarryVolchara [31]

Answer:

PEMDAS

Step-by-step explanation:

Well, I don't know if there should be a picture of the problem that should go with the question. But a trick for solving distributive property is to use the trick PEMDAS In order.

For Example:

P-Paraenthese

E-Exponent

M-Multiply

D-Divide

A-Add

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NOTE!

Remember to always Multiply and divide BEFORE adding and subtracting.

Hoped this helped!

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2 years ago

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2 years ago

Simplify the following rational expression

madreJ [45]

Step-by-step explanation:

as the denominator (x+3) is in both you need only one denominator to be multiplied in first rational number .

2x (x-2). + 5.

(x+3) (x-2). (x+3) (x-2)

2x^2-4x +5

(x+3) (x-2)

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8 0

2 years ago

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The equation of a parabola is (y−3)2=20(x+1) .

True [87]

ANSWER

$x = - 6$

EXPLANATION

The given parabola has equation:

${(y - 3)}^{2} = 20 {(x + 1)}^{2}$

This parabola opens in the direction of the positive x-axis.

This can be rewritten as:

${(y - 3)}^{2} = 4(5) {(x + 1)}^{2}$

The vertex is (-1,3)

The directrix of this parabola is

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$x = - 6$

6 0

2 years ago

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