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8090 [49]
1 year ago
9

PLS HELP

Mathematics
2 answers:
bekas [8.4K]1 year ago
7 0
D. The input value can always be any number
bezimeni [28]1 year ago
6 0

Answer:

D

Step-by-step explanation:

You might be interested in
An oil drilling company is drilling a hole. The elevation of the bottom of the hole changes by feet each day. After a certain nu
marin [14]

Answer:

option.D

Step-by-step explanation:

  • each day it changes by -73\frac{1}{4}
  • so for two days , the elevation becomes  -73\frac{1}{4} +  -73\frac{1}{4}
  • for 3 days :  -73\frac{1}{4} +  -73\frac{1}{4} +  -73\frac{1}{4}
  • so, for n days,  -73\frac{1}{4} + ........ n times

=  n*-73\frac{1}{4}

  • therefore, for x days, elevation = x*-73\frac{1}{4}
  • as it is given that after certain days this elevation has reached -366\frac{1}{4}
  • so, x*-73\frac{1}{4} = -366\frac{1}{4}
3 0
3 years ago
Please help me with this question....
AVprozaik [17]

Answer:

63.63 {m}^{2}

Step-by-step explanation:

area \:  = \pi {r}^{2}  \\  = 3.142(4.5) {}^{2}  \\ = 63.63m {}^{2}

7 0
3 years ago
A movie theater problem I need help with
Sever21 [200]

What's 18 × 15 ?







Hint : 270

4 0
3 years ago
Read 2 more answers
2. The sum of two numbers is 30. Determine the two numbers if their product is a maximum.
SCORPION-xisa [38]

Answer:

X+y=30

X=30-y

Z=yx

Z=y(30-y)

D/dy

z=30–2y

At max 30–2y=0

2y=30 Y=15

Therefore x=15

Step-by-step explanation:

5 0
2 years ago
A projectile is fired into the air with an initial vertical velocity of 160 ft/sec from ground level. How many seconds later doe
djverab [1.8K]

The maximum height of the projectile is the maximum point that can be gotten from the projectile equation

The projectile reaches the maximum height after 5 seconds

The function is given as:

\mathbf{h(t) = -16t^2 + 160t}

Differentiate the function with respect to t

\mathbf{h'(t) = -32t + 160}

Set to 0

\mathbf{h'(t) = -32t + 160 = 0}

So, we have:

\mathbf{-32t + 160 = 0}

Collect like terms

\mathbf{-32t =- 160 + 0}

\mathbf{-32t =- 160}

Solve for t

\mathbf{t = \frac{- 160}{-32}}

\mathbf{t = 5}

Hence, the projectile reaches the maximum after 5 seconds

Read more about maximum values at:

brainly.com/question/6636648

8 0
2 years ago
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