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Harlamova29_29 [7]
3 years ago
15

A 15% tip on a diner Bill is 2.55 how much is the bill?

Mathematics
2 answers:
Gnoma [55]3 years ago
8 0

Answer:

$17.00

Step-by-step explanation:

crimeas [40]3 years ago
5 0
2.7? im actually not 100%sure on this one 
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Suppose that $2000 is loaned at a rate of 19.5%, compounded semiannually. Assuming that no payments are made, find the amount ow
STALIN [3.7K]

Answer: $2390

Step-by-step explanation: hope this helps <3

8 0
3 years ago
On the first day of spring and entire field of flowering trees blossom.The locus population Gaines 87% of its size every 2.4 day
Anni [7]

Answer:

L(t) = 1100(1.87)^(t/2.4)

Corrected question;

On the first day of spring, an entire field of flowering trees blossoms. The population of locusts consuming these flowers rapidly increases as the trees blossom. The locust population gains 0.87 of its size every 2.4 days, and can be modeled by a function, L, which depends on the amount of time, t (in days). Before the first day of spring, there were 1100 locusts in the population. Write a function that models the locust population t days since the first day of spring.

Step-by-step explanation:

Given;

Initial amount P = 1100

Rate of growth r = 87% = 0.87

Time step k = 2.4 days

The case above can be represented by an exponential function;

L(t) = P(1+r)^(t/k)

Where;

L(t) = locust population at time t days after the first day of spring

P = initial locust population

r = rate of increase

t = time in days

k = time step

Substituting the given values;

L(t) = 1100(1+0.87)^(t/2.4)

L(t) = 1100(1.87)^(t/2.4)

the locust population t days since the first day of spring can be modelled using the equation;

L(t) = 1100(1.87)^(t/2.4)

6 0
3 years ago
A health food company sells packs of assorted nuts. The company incurs a monthly fixed cost of $1,400 for ingredients and raw ma
torisob [31]
<span>The expression that represents the total cost (y) of manufacturing
x bags of nuts in a month is

</span>                                   <span>y = x + 1,400 </span>
6 0
3 years ago
If 2x2 + y2 = 17 then evaluate the second derivative of y with respect to x when x = 2 and y = 3. Round your answer to 2 decimal
Vera_Pavlovna [14]

Answer:

y''=-1.26

Step-by-step explanation:

We are given that 2x^2+y^2=17

We have evaluate the second order derivative of y w.r.t. x when x=2 and y=3.

Differentiate w.r.t x

Then , we get

4x+2yy'=0

2x+yy'=0

yy'=-2x

y'=-\frac{2x}{y}

Again differentiate w.r.t.x

Then , we get

2+(y')^2+yy''=0 (u\cdot v)'=u'v+v'u)

2+(y')^2+yy''=0

Using value of y'

yy''=-2-(-\frac{2x}{y})^2

y''=-\frac{2+(-\frac{2x}{y})^2}{y}

Substitute x=2 and y=3

Then, we get y''=-\frac{2+(\frac{4}{3})^2}{3}

y''=-\frac{18+16}{9\times 3}=-\frac{34}{27}

Hence,y''=-1.26

6 0
4 years ago
Write the equation of the line in slope intercept form given:<br> m = -6, b = 0
Harrizon [31]
Y = -6x

slope intercept form is y=mx+b, I’m sure you just plug in the numbers
5 0
3 years ago
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