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2 years ago

Simplify this expression (-12c^5) (3c^4)

Mathematics

1 answer:

andrey2020 [161]2 years ago

8 0

Answer:

-36c^9

Step-by-step explanation:

(−12c5)(3c4)

=(−12c5)*3c4

=(−12)*c5*3*c4

=((−12)*3)*(c5*c4)

=−36*c9

=−36c9

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Find the x and y value.

BARSIC [14]

Answer:

x= 80

y= 77

180-23=157

80+77=157

157+23=180

6 0

2 years ago

2x+3y=12 complete the missing value in the solution to the equation

likoan [24]

Answer:

(-6,8) is your answer.

Step-by-step explanation:

1. 2x + 3y = 12

2. 2x +3 * 8 = 12

3. 2x + 24 = 12

4. 2x = -12

5. x = -6

So, our final answer is (-6,8)

6 0

2 years ago

Anne is running on a trail at an average speed of 6 miles per hour beginning at mile marker 4. John is running on the trail at t

Sphinxa [80]

Answer:

John is running faster.

Step-by-step explanation:

Given that:

Average Speed of Anne = 6 miles per hour

Speed of John can be represented in the table below:

$\begin{center}\begin{tabular}{ c c}Time (hours) x & Mile Marker y \\ 0 & 1 \\ 0.5 & 4.5 \\ 1 & 8 \\ 1.5 & 11.5 \\\end{tabular}\end{center}$

To find:

Who is running faster of the both i.e. Anne and John?

Solution:

Here, to find the faster runner we can compare the average speed of both the runners.

We are given that, average speed of Anne = 6 miles per hour

We will have to calculate the average speed of John to find the faster runner.

<em>Average speed</em> can be calculated by dividing the total distance traveled with the total time taken.

Total distance traveled by John = 11.5 - 1 = 10.5 miles

Total time taken by John = 1.5 hours

Average speed of John = $\frac{10.5}{1.5} = 7\ miles/hr$

Clearly Average speed of John is greater than that of Anne's.

Therefore, <em>John runs faster</em>.

6 0

2 years ago

The cost of a mirror is directly proportional to the square of its width. A mirror of width 40 cm costs $24. Find the cost of th

OverLord2011 [107]

Answer:

Step-by-step explanation:

Your answer

Proportion????

So, cost = width

If width is 80 then cost will be 48

I dont know if this right.

Answer accurancy 80%

Mark it as Brainlist answer. Follow me.

4 0

2 years ago

The sum of two consecutive odd integers is âˆ’144. find the two integers.

Ivanshal [37]

X+(x+2)=144
2x+2=144
2x=142
x=71
the two consecutive odd integers are 71 and 73

4 0

2 years ago