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3 years ago

“Use the properties to rewrite this expression with the fewest terms possible:

Mathematics

1 answer:

Alinara [238K]3 years ago

5 0

Answer:

- 4x + 3y

Step-by-step explanation:

Distribute the 3 to the expression inside the parenthesis.

2 - 4x + 3 (y - 4) + 10

2 - 4x + 3y - 12 + 10

Bring the - 12 + 10 next to the 2 at the beginning of the expression.

2 - 12 + 10 - 4x + 3y

Add or subtract like terms (2 - 12 + 10 should cancel out).

0 - 4x + 3y

Answer:

- 4x + 3y

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What is the slope of the line ?

Marat540 [252]

Answer:

3/4

Step-by-step explanation:

You can calculate slope with $\frac{y1-y2}{x1-x2}$

2 points from the graph are (0,-1) and (4,2)

plugging the points in would give you

$\frac{2-(-1)}{4-0} = \frac{3}{4}$

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3 years ago

Attempted but just couldnt understand (25Points)

Rashid [163]

Answer:

a) Function:Yes

b) Domain: $-5\:$

c) Range: $-5\le y\le 3$

Step-by-step explanation:

The given graph passes vertical line test hence it is a function

The given function has x-intercepts at $x=-4.5, x=-1,x=3.5$

We can therefore write this function in factored form as $y=a(2x+9)(x+1)(2x-7)$

There is a y-intercept at (0,-2)

$-2=a(2*0+9)(0+1)(2*0-7)$

$-2=-63a$

$a=\frac{2}{63}$

The required function is

$y=\frac{2}{63}(2x+9)(x+1)(2x-7)$

b) The domain refers to all values of x for which this function is defined.

The domain from the graph is $-5\:$ because there are holes at the end of the graph.

c) The range is the value of y for which x is defined or the graph exists.

From the graph the range is $-5\le y\le 3$

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3 years ago

Which number is a common factor of 27 and 45?<br> A) 5 <br> B) 9 <br> C) 12 <br> D) 15

mestny [16]

Answer:

We found the factors and prime factorization of 27 and 45. The biggest common factor number is the GCF number. So the greatest common factor 27 and 45 is 9.

Step-by-step explanation:

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dsp73

Answer:

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Answer:

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Step-by-step explanation:

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2 years ago