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ipn [44]
3 years ago
15

Plss help mart brain list

Mathematics
2 answers:
stich3 [128]3 years ago
6 0

Answer:

X=14

Step-by-step explanation:

Hope this helps , good luck ^^

olasank [31]3 years ago
5 0
The answer is x=14. Just lmk if you need the work too
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What is the max height of n=-1t^2+2t+8
zepelin [54]

The maximum height of the function is 9

<h3>How to determine the maximum height?</h3>

The equation of the function is given as:

n=-1t^2 + 2t + 8

Differentiate the function

n' = -2t + 2

Set to 0

-2t + 2 = 0

Subtract 2 from both sides

-2t = -2

Divide both sides by -2

t = 1

Substitute t = 1 in n=-1t^2 + 2t + 8

n=-1(1)^2 + 2(1) + 8

Evaluate

n=9

Hence, the maximum height of the function is 9

Read more about maximum values at:

brainly.com/question/10373132

#SPJ1

7 0
3 years ago
A freezer has a volume of 54 ft.³ it has a length of 6 feet and a height of 3 feet what is the length of the width of the freeze
gogolik [260]
Ok so let’s see we have L and H but we don’t have the W so to find it we start by multiplying the numbers we do have which is L and H so 6x3=18 know that we did that we tasked the volume number which is 54 and we divide that by 18 so 54➗18 = 3 so our width is 3

Hope this helped :)
3 0
2 years ago
The function N(t) = 100e^−0.023t models the number of grams in a sample of cesium-137 that remain after t years. On which interv
Andreas93 [3]

Options:

A. [1,10]        B. [10,20]      C. [15,25]     D. [1,30]

Answer:

A. [1,10]

Step-by-step explanation:

Given

N(t) = 100e^{-0.023t}

Required

Interval with the fastest rate of decay

The rate of change over [a,b] is calculated as:

Rate = \frac{N(b) - N(a)}{b - a}

So, we have:

A. [1,10]        

Rate = \frac{N(10)-N(1)}{10 - 1}

Rate = \frac{N(10)-N(1)}{9}

Calculate N(10) and N(1)

N(10) = 100e^{-0.023*10} = 100e^{-0.23} = 79.45

N(1) = 100e^{-0.023*1} = 100e^{-0.023} = 97.73

So:

Rate = \frac{79.45-97.73}{9} = \frac{-18.28}{9} = -2.03

B. [10,20]      

Rate = \frac{N(20)-N(10)}{20 - 10}

Rate = \frac{N(20)-N(10)}{10}

Calculate N(20) and N(10)

N(20) = 100e^{-0.023*20} = 100e^{-0.46} = 63.13

N(10) = 100e^{-0.023*10} = 100e^{-0.23} = 79.45

So:

Rate = \frac{63.13 - 79.45}{10} = \frac{-16.32}{10} = -1.632

C. [15,25]    

Rate = \frac{N(25)-N(15)}{25 - 15}

Rate = \frac{N(25)-N(15)}{20}

Calculate N(25) and N(15)

N(25) = 100e^{-0.023*25} = 100e^{-0.575} = 56.27

N(15) = 100e^{-0.023*15} = 100e^{-0.345} = 70.82

So:

Rate = \frac{56.27 - 70.82}{10} = \frac{-14.55}{10} = -1.455

D. [1,30]

Rate = \frac{N(30)-N(1)}{30 - 1}

Rate = \frac{N(30)-N(1)}{29}

Calculate N(30) and N(1)

N(30) = 100e^{-0.023*30} = 100e^{-0.69} = 50.16

N(1) = 100e^{-0.023*1} = 100e^{-0.023} = 97.73

So:

Rate = \frac{50.16 - 97.73}{29} = \frac{-47.57}{29} = -1.64

By comparing the values of the calculated rates,

-2.03 is the smallest, in other words; the fastest rate

Hence, the interval [1,10] has the fastest rate of decay

4 0
3 years ago
A grade of B is worth ___ grade points<br><br>A. 2.0<br>B. 4.0<br>C. 3.0<br>D. 80
scZoUnD [109]

The correct answer is C. 3.0

Hope this helps

-AaronWiseIsBae

7 0
3 years ago
Read 2 more answers
What’s the value of x ?
alexira [117]
Answer :

x = 10

Solution :

26^2 = 24^ 2 - x ^2
676 = 576 - x
x^2 = 676 - 576
x^2 = 100
x = 10
3 0
3 years ago
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