MATHEMATICS HIGH SCHOOL

The prism has a surface area of 1312 mm2.What would the surface area of the prism be if each dimension were halved?

mm2
The prism has a surface area of 1312 mm2. What - 1

Answers

Answer 1
Answer: so each dimention is 32 by 8 by 10
so the surface area=2 times(8 times 10)+(2 times (32 times 10))+(2 times (8 times 32))=2 times 80+2 times 320+2 times 256=1312

if halved
just divide each by 2
(2 times 4 times 5)+(2 times 16 times 5)+(2 times 4 times 16)=(2 times 20)+(2 times 80)+(2 times 64)=40+160+128=328
the new surface area is 328 mm^2

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Given the function f(x) = x2 and k = 3, which of the following represents the graph becoming more narrow? A. f(x)+kB. kf(x)
C. f(x+k)
D. f(x-k)

Answers

The only type of transformation that can make a graph more narrow/wide is a scaling transformation. A scaling transformation involves a multiple factor. The answer to your question is B. I hope that this is the answer that you were looking for and it has helped you.

Answer:

The following which represents the graph becoming more narrow is:

                    B.    kf(x)

Step-by-step explanation:

We are given a parent function f(x) as:

          f(x)=x^2

and k=3

Now, we know that the transformation of the type:

          f(x)+k

shifts the graph of the function k units upward while there is no change in the shape of graph.

Similarly the transformation f(x+k) and f(x-k) shifts the graph of the original function k units to the left and  k units to the right but odes not change the shape of the function.

            Hence, the answer is:

                      B.    kf(x)

   Since, the  transformation is a vertical compression and the graph becomes more narrow.

8|x-6|-9=4

solve for x

Answers

8|x-6|-9=4 \n \n 8|x - 6| = 4 + 9 \n \n 8|x - 6| = 13 \n \n |x - 6| = (13)/(8) \n \n ----- \n \n x - 6 = (13)/(8) \n \n x = (13)/(8) + 6 \n \n x = (61)/(8) \n \n ----- \n \n -x + 6 = (13)/(6) \n \n 6 - x = (13)/(8) \n \n -x = (13)/(8) - 6 \n \n -x = - (35)/(8) \n \n x = (35)/(8) \n \n ----- \n \n x = (35)/(8) , (61)/(8) \n \n

The answer is: x = 35/8 and x = 61/8.

Why does it help to write a subtraction problem as an addition problem

Answers

If you are doing negative subtraction it makes it addition automatically which helps to just add instead of reverse subtraction

Answer: If you are doing negative subtraction it makes it addition automatically which helps to just add instead of reverse subtraction

Step-by-step explanation:

In the xy plane what is the y intercept of the graph of the equation y=2(x+3)(x-4)

Answers

y intercept is when line crosses y axis or when x=0

set x=0
y=2(0+3)(0-4)
y=2*3*-4
y=-24

y intecept is -24

Helpp with bothhhh!!!!!

Answers

Answer:

3. x = 5

4. -5 1/25

Step-by-step explanation:

-3x+5=-10

Subtract the 5 from both sides...

-3x = -15

Divide by -3

x = 5

For 4, it's just multiplying.

-2 4/5 in improper form is -14/5

1 4/5 in improper form is 9/5

-14/5 x 9/5 is -126/25

-126/25 can be -5.04 or -5 1/25.

Answer:

3. a (x=5)

4. -126/25

Step-by-step explanation:

3. -3x+5=-10

-3x=-10-5

-3x=-15

x=5

4.  -(-2 4/5) x 1 4/5

(-14/5) x 9/5

= -126/25

25% of a bag of oranges is spoilt. There are 20.4 kg of spoilt oranges. What is the weight of the bag?​

Answers

Answer:

81.6

Step-by-step explanation:
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