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3 years ago

What is the answer to: -8.6x10x(-19.09)=

Mathematics

1 answer:

alexgriva [62]3 years ago

7 0

Answer:

1641.74 or 1641.74x^2

Step-by-step explanation:

if those x is an actual x then the answer is the second choice, if its for multiplication then its the first choice.

you have to multiply whats outside of the parenthesis first then multiply that number with -19.09

8.6x10x19.09 would equal to 86x19.09 which would equal to 1641.74

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Y=x+2 2x-y=-4 Solve the systems of equations

larisa86 [58]

Answer:

Step-by-step explanation:

Given that,

y=x+2 equation 1

2x-y=-4 equation 2

This is a simultaneous equation.

Substitute equation 1 into equation 2

2x-y=-4. Since y=x+2

2x-(x+2) = -4

2x-x-2 = -4

x-2 = -4

x = -4+2

x = -2

Also from equation 1

y=x+2

Since x=-2

y=-2+2

y=0

Then, solution (x, y) = (-2,0)

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3 years ago

Read 2 more answers

Which graph represents the function of f(x) 9x^2 -36 / 3x + 6

Finger [1]

Answer:

The graph in the attached figure

Step-by-step explanation:

we have

$f(x)=\frac{9x^{2}-36}{3x+6}$

Remember that the denominator cannot be equal to zero

The value of x cannot be equal to x=-2

<em>Simplify the numerator</em>

$9x^{2}-36=(3x+6)(3x-6)$ ----> by difference of squares

substitute

$f(x)=\frac{(3x+6)(3x-6)}{3x+6}$

simplify

$f(x)=3x-6$

The domain is all real numbers except the value of x=-2

The y-intercept is the point (0,-6) ---> value of y when the value of x is equal to zero)

The x-intercept is the point (2,0) ---> value of x when the value of y is equal to zero)

therefore

The graph in the attached figure

7 0

3 years ago