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Juli2301 [7.4K]
3 years ago
12

a chicken can run at a top speed of 9 miles per hour find the top speed of a chicken in miles per minute round to the nearest te

nth
Mathematics
2 answers:
MaRussiya [10]3 years ago
6 0
You have to do 9 divided by 69
eduard3 years ago
5 0

so if you do 9 divided by 60 and it will give you 0.15 and that is your answer

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A roller coaster’s height is given by the equation h = –.025t2 + 4t + 50, where t represents the time in seconds. How long will
larisa [96]

The time it will take the roller coaster to reach the ground is 171.65 seconds

<h3>Function and values</h3>

Given the roller coaster’s height given by the following parameters

h = –0.025t² + 4t + 50

On the ground level, the height will be zero. Substitute h = 0 and determine the value of t

–0.025t² + 4t + 50 = 0

0.025t² - 4t - 50 = 0

Factorize

On factorizing the time it will take the roller coaster to reach the ground is 171.65 seconds

Learn more on functions here: brainly.com/question/10439235

#SPJ1

8 0
2 years ago
Find the zeros of the function.
Anarel [89]
F(x) = 3x³ - 12x² - 15x

1) Factor Outside: 3x( x² - 4x - 5)

Factor Inside: 3x(x + 1)(x - 5)

2) Set Equal To 0:
3x = 0
x + 1 = 0
x - 5 = 0

3) Solve:
x = 0, -1, 5
3 0
3 years ago
Mrs. Ming invested an amount of money in two accounts for one year. She invested some at 8% interest and the rest at 6% interest
dimaraw [331]

Interest rate for one year is rate percent amount of original investment. The amount invested by Mrs. Ming in the account paying 6% was $680

<h3>How to calculate interest after 1 year if the rate of interest is R% annually?</h3>

Suppose that annually there is interest rate of R%. The amount initially invested is P, then for 1 year, it doesn't matter if its simple or compounding annually, the interest is same (it doesn't remain same if compounding isn't annually or if the time is > 1 year)

The interest for 1 year will be \dfrac{P}{100} \times R

Let we have the initial amount spent in account paying 8% interest rate as $x

Let for 6% interest paying account, initial amount was $y

Then, by the given data, we have:

x + y = 1500

and

\dfrac{x}{100} \times 8 + \dfrac{y}{100} \times 6=  106.40\\\\8x + 6y = 10640\\4x + 3y = 5320

Thus, we got a system of linear equations as :

x + y = 1500\\4x + 3y = 5320

From equation 1, getting value of x in terms of y, we get:

x = 1500 - y

Substituting this value in second equation, we get:

4x + 3y = 5320\\4(1500-y) +3y = 5320\\6000 - y = 5320\\y =680

Putting this value of y in the equation we got for x,

x = 1500 - y\\x = 1500 - 680= 820

Thus, amount invested by Mrs Ming in account paying 8% interest rate as $x = $820

and  for 6% interest paying account, initial amount was $y = $680

Thus,

The amount invested by Mrs. Ming in the account paying 6% was $680

Learn more about system of linear equations here:

brainly.com/question/13722693

3 0
3 years ago
Help plzzzz!!!!!!!!!! plz help!!!!!!!!!
Sedbober [7]
5x+3x+7x=180
15x=180
x=12
5(12)=60
3(12)=36
7(12)=84
7 0
3 years ago
Tamara is creating a model of a rectangle. She has ab26 inches of yellow ribbon to use for the border of the rectangle. She want
soldi70 [24.7K]

Answer:

<h2>L=8in</h2><h2>W=5in</h2>

Step-by-step explanation:

Step one:

given data

we are told that the border/perimeter of the yellow ribbon is 26in

let the  width be x

W=x

and the lenght

L=x+3

Step two:

Required

The expression for the perimeter to find the dimensions of the yellow ribbon given the above condition.

we know that the perimeter of a rectangle is given as

P=2L+2W

26=2(x+3)+2x---------This is the expression required

26=2x+6+2x

26=4x+6

26-6=4x

20=4x

divide both sides by 4

x=20/4

x=5in

The width is 5in

The length is

L=x+3

L=5+3

L=8in

4 0
3 years ago
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