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uranmaximum [27]
3 years ago
13

The function h is defined by h (x) = 3x2 + 7. Find h(5x). h (5x) = ?

Mathematics
1 answer:
barxatty [35]3 years ago
5 0

Answer:

h(5x) = 75x² + 7

Step-by-step explanation:

h(x) = 3x² + 7

h(5x) = 3(5x)² + 7

h(5x) = 3(25x²) + 7

h(5x) = 75x² + 7

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luisa has 12 playing cards.she place 2 out of every 3 cards face up how many cards are face up and how many are face down
Natasha2012 [34]
If 2/3 of the cards are face-up, then 2/3*12=8 cards are face-up.  The remaining 12-8=4 cards are therefore face down.
4 0
3 years ago
4y square + y - 45 when y=-5
kobusy [5.1K]

Given:

The expression is

4y^2+y-45

To find:

The value of the given expression when y=-5.

Solution:

We have,

4y^2+y-45

Putting y=-5, we get

4(-5)^2+(-5)-45

=4(25)-5-45

=100-50

=50

Therefore, the value of the given expression is 50 when y=-5.

7 0
3 years ago
Determine the volume of the solid that lies between planes perpendicular to the x-axis at x=0 and x=4. The cross sections perpen
OverLord2011 [107]

Answer:

Volume = 16 unit^3

Step-by-step explanation:

Given:

- Solid lies between planes x = 0 and x = 4.

- The diagonals rum from curves y = sqrt(x)  to  y = -sqrt(x)

Find:

Determine the Volume bounded.

Solution:

- First we will find the projected area of the solid on the x = 0 plane.

                              A(x) = 0.5*(diagonal)^2

- Since the diagonal run from y = sqrt(x) to y = -sqrt(x). We have,

                              A(x) = 0.5*(sqrt(x) + sqrt(x) )^2

                              A(x) = 0.5*(4x) = 2x

- Using the Area we will integrate int the direction of x from 0 to 4 too get the volume of the solid:

                              V = integral(A(x)).dx

                              V = integral(2*x).dx

                               V = x^2

- Evaluate limits 0 < x < 4:

                               V= 16 - 0 = 16 unit^3

3 0
3 years ago
To which place value is the number rounded 6.706 to 6.71
sineoko [7]
100th becuz it’s in that spot specifically and might as well look it up too
6 0
3 years ago
Someone please give me the simplified answer !
Nataly [62]

Answer:

11m-3v

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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