12x a y b ÷ (-6x a y)

Answers

Answer 1

Answer:

Answer:

$(12xay)/(-6xay) \n$ = -2b is the answer

Step-by-step explanation:

$(12xay)/(-6xay) \n$

here we can see that we can cancel common terms from both numerator and denominator . 12 is divided by 6 we get 2 and x ,a and y are cancelled from the denominator .Only b is left in the numerator .

so final answer is -2b.

Answer 2

Answer: 12x a y b ÷ (-6x a y)
Answer is -2b

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What is the value of f(-4) in the piecewise function f(x)= -x-5 for -5<= x <= -2; -x^2+1 for -2<=x<=2; (x-3)^2+2 for 2<=x<=4? If that makes any since

Answers

Answer:

The value for f(-4) in the piecewise function is -1

Step-by-step explanation:

As the function is defined by pieces we must choose the correct interval when replacing. In this case, the value of the function needs to be calculated in x=4.

This value of x is within the interval:

-5<=x<=-2

Therefore we replaced in the corresponding expression:

f(x)=-x-5

f(-4)=-(-4)-5=-1

Take into account this case is not particularly a function since, for example, in the value of x=-2 the expression can take two values corresponding to two different pieces. The obtained result is only valid in the range for -5<=x<=-2.

We first need to pick the correct piece to use. In this case, we will use f(x) = -x-5 because -5<=-4.

Then, we use direct substitution:
f(-4) = -(-4) - 5
f(-4) = -1

In the 40-60-90 triangle below, side s has a length of ___ and side q has a length of __

Answers

Answer:

D. $5,\: 5\sqrt 3$

Step-by-step explanation:

According to the 30°-60°-90° triangle theorem:

Side opposite to 30° is half of hypotenuse and side opposite to 60° is $(\sqrt 3)/(2)$ times of hypotenuse.

In the given figure:

side s is opposite to 30° angle.

$\therefore s = (1)/(2) * 10= 5\n$

side q is opposite to 60° angle.

$\therefore q =(\sqrt 3)/(2) * 10= 5\sqrt 3\n$

In the decimal number .675, the 7 holds what place value

Answers

To see 7's rank we can count the number of digits after ".". 7 is the second digit and given that the first digit represents the decimals, 7 will represent the hundreths.

7 is representing the hundredth's place.

Determine if the following tables from a lineAr equation if so identify the slope otherwise write non linear

Answers

2)
a*2 + b = 26;
a*(-4) + b = -16;
then, a*6 = 42 => a = 7 => b = 26 -14 => b = 12;

from table, 7*9 + 12 = 63 + 12 = 75, correct;
7*(-8) + 12 = -56 + 12 = -44, correct;

slope = ( -44 + 16) / ( -8 + 4) = ( - 28) / (-4) = 7 = a;

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