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posledela
3 years ago
6

Three metallic solid cubes of sides 6 cm, 8 cm and 10 cm are melted to form a single cube. The length of the edge of the new cub

e is
A) 15 cm
B) 14 cm
C) 13 cm
D) 12 cm​
Mathematics
2 answers:
Dmitry_Shevchenko [17]3 years ago
5 0
It’s D = 12 cm ......
Sati [7]3 years ago
3 0
The answer is D)12cm
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Please answer as soon as possible, and show work
Lady bird [3.3K]

Answer:

6

Step-by-step explanation:

Your intervals are x=-2, and x=0. In this case, x=-2 will be a, and x=0 will be b.

To find the average rate of change, you have to first find f(-2) and f(0)

f(-2)=1-3(-2)^2\\f(-2)=1-3(4)\\f(-2)=-11\\

Then, f(0)

f(0)= 1-3(0)^2\\f(0) = 1-3(0)\\f(0) = 1

Now you know f(-2) is -11, and f(0) is 1.

Next, you plug these into the average rate of change formula, which is

\frac{f(b)-f(a)}{b-a}

Flug in -11 and 1 on the numerator, and -2 and 0 on the denominator.

Average = \frac{(1)-(-11)}{(0)-(-2)} \\\\

Average =\frac{12}{2} \\Average = 6

8 0
2 years ago
–5(x – 2) = –25 answer please do it please 11ghhhj
swat32

Answer:

The correct answer is x = 7.

Step-by-step explanation:

To solve this problem, our first step is to use the distributive property on the left side of the equation.  This is modeled below:

-5x + 10 = -25

Next, we should subtract 10 from both sides of the equation.

-5x = -35

Finally, we should divide both sides of the equation by -5 to get the variable x alone on the left side of the equation.

x = 7

Therefore, the answer is x = 7.

Hope this helps!

8 0
3 years ago
Jada wants to take her dog to obedience school for 10 lessons at $110 and at another school 15 lessons for $135. Which school is
finlep [7]

Answer:

Step-by-step explanation:

Another school

7 0
3 years ago
Read 2 more answers
Rewrite in simplest terms: 9(m-9)-4(10m+2)9(m−9)−4(10m+2)
trasher [3.6K]

The required simplified expression for 9(m - 9) - 4(10m + 2) is  -31m - 90.

Given that,
To rewrite in simplest terms: 9(m-9)-4(10m+2).


<h3>What is simplification?</h3>

The process in mathematics to operate and interpret the function to make the function simple or more understandable is called simplifying and the process is called simplification.

Question asked to simplify the term 9(m-9)-4(10m+2).

= 9(m - 9) - 4(10m + 2)
= 9m - 81 - 40m - 8
=  -31m - 90

Thus, the required simplified expression for 9(m - 9) - 4(10m + 2) is  -31m - 90.

Learn more about simplification here: brainly.com/question/12501526

#SPJ1

7 0
2 years ago
2xyx + 3z - z when x = -1 and y = -2 and z = 3
Katena32 [7]

<u><em>Brainiest please</em></u>

Answer:

2

Step-by-step explanation:

2(-1)(-2)(-1)+3(3)-3= 2

<u><em>Hope this helps you</em></u>

5 0
4 years ago
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