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lidiya [134]
3 years ago
13

-2(4r - 6) Mathhhhhhhhh pls

Mathematics
2 answers:
FrozenT [24]3 years ago
8 0

Answer: -8r+12

Step-by-step explanation:

makkiz [27]3 years ago
8 0
<h3>Answer:   -8r + 12</h3>

============================================

Explanation:

The outer term -2 is multiplied by each term inside

  • -2 times 4r = -8r
  • -2 times -6 = 12

Then those results are added to get -8r + 12 as our final answer. We cannot combine these terms because they are not like terms.

I used the distribution property, also known as the distributive property.

That says a*(b-c) = a*b - a*c

In this case, a = -2, b = 4r, and c = 6.

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If m(x) =x+5/x-1 and n(x) = x - 3, which function has the same domain as (mºn)(x)?
GREYUIT [131]

We have

M(X) = (X + 5)/(X - 1)

N(X) = X - 3

So,

M(N(X)) =  [(X - 3) + 5]/[(X - 3) - 1]

<h3>M(N(X)) =  [X + 2]/[X - 4]</h3>

The M(N(X)) domain will be:

D = {X / X ≠ 4}

4 ∉ to the M(N(X)) domain, otherwise we would have a/0, which is not possible (a denominator with zero). An equivalent function would be

H(X) = 1/(X - 4)

5 0
3 years ago
What is the measure of AC ?<br><br> Enter your answer in the box.<br><br><br> °
irakobra [83]

Solution:

we are given that

Inscribed angle=(2.5x+4)

Intercepted arc=(7x-2)

As we know that the Inscribed angle is Half of the measure of the intercepted arc.

So we can write

(2.5x+4)=\frac{1}{2}(7x-2) \\\\7x-2=2(2.5x+4)\\\\7x-2=5x+8\\\\7x-5x=8+2\\\\2x=10\\\\x=5\\\\\text{So Measure of arc AC}=(7x-2)=7*5-2=35-2=33

4 0
3 years ago
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What is the equivalent decimal to 1/2?
vova2212 [387]
0.5 is the decimal equivalent to 1/2
5 0
3 years ago
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Please helppp me!!!!!
Scrat [10]

Answer:

Step 2 contains error in the given problem.

Step-by-step explanation:

Given expression is:

\frac{1}{2}x-3=\frac{1}{3}x+6

Step 1: identifying the LCM.

The LCM identified is 6.

This step is correct.

In the next step, we multiply the LCM with each term of the equation.

Step 2:

\frac{6}{1}(\frac{1}{2}x) -3 =\frac{6}{1}(\frac{1}{3}x)+6

However,

In the given solution, the LCM is not multiplied with each term.

Hence,

Step 2 contains error in the given problem.

7 0
3 years ago
Jillian walked 0.5 miles before she started jogging at an average pace of 5 miles per hour. The equation d = 0.5 + 5t can be use
Mekhanik [1.2K]

Answer: independent variable: time (t). Dependent variable: distance (d).

Step-by-step explanation: an independent variable is a variable whose variation does not depend on that of another. In the given problem, the independent variable is time, because time will pass by no matter what (without depending in any other variable). The dependent variable in this case is the distance, because how far Jillian goes, depends on how much time she expends walking and jogging.

8 0
3 years ago
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