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4 years ago

1. What is the value of the expression 4X (4 – 2) + 6?

Mathematics

2 answers:

Snezhnost [94]4 years ago

6 0

Answer:

8x+6

Step-by-step explanation:

4x (4-2)=2

4X*2+6

8x+6

swat324 years ago

3 0

Answer:

$\Huge\boxed{8x+6}$

Step-by-step explanation:

First, used distributive property.

DISTRIBUTIVE PROPERTY

A(B+C)=AB+AC

4x(4-2)+6

Subtract the numbers from left to right.

4x(4-2)

4-2=2

4*2x

Then, multiply.

4*2=8

4x*2x=8x

=8x+6

In conclusion, the final answer is 8x+6.

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Aneli [31]

the question in English

Mateo will reproduce a photo measuring 5 cm per side on a scale of 3/4

How much will the square side of the copy measure?

Will the size of the copy be larger or smaller than the original?

we know that

the scale factor is equal to $\frac{3}{4}$

Let

x----------> the original length side

y--------> the copy length side

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we have that

$x=5\ cm$

substitute the values

$y=\frac{3}{4}*5=3.75\ cm$

therefore

the answer Part a) is

the length side of the copy measure is $3.75\ cm$

Part b)

we know that

the size of the original photo is------> $5*5=25\ cm^{2}$

the size of the copy is------> $3.75*3.75=14.06\ cm^{2}$

$14.06\ cm^{2} < 25\ cm^{2}$

therefore

the answer part b) is

The size of the copy be smaller than the original

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3 years ago

Use addition to solve the linear system of equations. Include all of your work in your final answer.

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Answer:

Step-by-step explanation:

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3 years ago

(b) factorise (3m-1)(6-a)-(m+3)(6-a)

Step2247 [10]

Answer:

Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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$(x - \frac{1}{2} )(x - 7)$

Now we have to foil to get the quadratic

${x}^{2} - 7x - \frac{1}{2} x + \frac{7}{2}$

We must simplify the terms

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Our final result comes out to be

${x}^{2} - \frac{15x}{2} + \frac{7}{2}$

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